| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Harry Wentland | 15559 | 60.41% | 41 | 17.01% |
| Nicholas Kazlauskas | 2738 | 10.63% | 18 | 7.47% |
| Bhawanpreet Lakha | 1272 | 4.94% | 6 | 2.49% |
| Andrey Grodzovsky | 1104 | 4.29% | 19 | 7.88% |
| Alex Deucher | 1051 | 4.08% | 12 | 4.98% |
| David Francis | 942 | 3.66% | 14 | 5.81% |
| Leo (Sunpeng) Li | 691 | 2.68% | 27 | 11.20% |
| Mikita Lipski | 573 | 2.22% | 9 | 3.73% |
| Shirish S | 417 | 1.62% | 12 | 4.98% |
| Anthony Koo | 343 | 1.33% | 3 | 1.24% |
| Roman Li | 244 | 0.95% | 6 | 2.49% |
| Stephen Chandler Paul | 116 | 0.45% | 4 | 1.66% |
| Jerry (Fangzhi) Zuo | 101 | 0.39% | 10 | 4.15% |
| Junwei (Martin) Zhang | 60 | 0.23% | 2 | 0.83% |
| Hans Verkuil | 56 | 0.22% | 1 | 0.41% |
| Mario Kleiner | 54 | 0.21% | 2 | 0.83% |
| Ernst Sjöstrand | 46 | 0.18% | 2 | 0.83% |
| Christian König | 45 | 0.17% | 3 | 1.24% |
| Sylvia Tsai | 41 | 0.16% | 1 | 0.41% |
| Darren Salt | 39 | 0.15% | 1 | 0.41% |
| Daniel Vetter | 35 | 0.14% | 3 | 1.24% |
| Feifei Xu | 20 | 0.08% | 2 | 0.83% |
| Tom St Denis | 20 | 0.08% | 6 | 2.49% |
| Daniel Stone | 20 | 0.08% | 1 | 0.41% |
| Mauro Rossi | 17 | 0.07% | 1 | 0.41% |
| Arindam Nath | 17 | 0.07% | 2 | 0.83% |
| Leo (Hanghong) Ma | 14 | 0.05% | 1 | 0.41% |
| Rex Zhu | 13 | 0.05% | 1 | 0.41% |
| Drew Davenport | 13 | 0.05% | 1 | 0.41% |
| Yongqiang Sun | 12 | 0.05% | 3 | 1.24% |
| Michel Dänzer | 11 | 0.04% | 2 | 0.83% |
| Aric Cyr | 10 | 0.04% | 1 | 0.41% |
| Dave Airlie | 7 | 0.03% | 4 | 1.66% |
| Jordan Lazare | 6 | 0.02% | 1 | 0.41% |
| Dhinakaran Pandiyan | 6 | 0.02% | 1 | 0.41% |
| Harmanprit Tatla | 5 | 0.02% | 1 | 0.41% |
| Kumar, Mahesh | 5 | 0.02% | 1 | 0.41% |
| Hawking Zhang | 4 | 0.02% | 1 | 0.41% |
| Samuel Li | 4 | 0.02% | 4 | 1.66% |
| Oak Zeng | 4 | 0.02% | 1 | 0.41% |
| Hersen Wu | 4 | 0.02% | 1 | 0.41% |
| Wenjing Liu | 2 | 0.01% | 1 | 0.41% |
| Luc Van Oostenryck | 2 | 0.01% | 1 | 0.41% |
| Eric Bernstein | 2 | 0.01% | 1 | 0.41% |
| Colin Ian King | 2 | 0.01% | 1 | 0.41% |
| SivapiriyanKumarasamy | 2 | 0.01% | 1 | 0.41% |
| Fatemeh Darbehani | 2 | 0.01% | 1 | 0.41% |
| Noralf Trönnes | 1 | 0.00% | 1 | 0.41% |
| Guttula, Suresh | 1 | 0.00% | 1 | 0.41% |
| Dan Carpenter | 1 | 0.00% | 1 | 0.41% |
| Total | 25754 | 241 |
/* * Copyright 2015 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ /* The caprices of the preprocessor require that this be declared right here */ #define CREATE_TRACE_POINTS #include "dm_services_types.h" #include "dc.h" #include "dc/inc/core_types.h" #include "vid.h" #include "amdgpu.h" #include "amdgpu_display.h" #include "amdgpu_ucode.h" #include "atom.h" #include "amdgpu_dm.h" #include "amdgpu_pm.h" #include "amd_shared.h" #include "amdgpu_dm_irq.h" #include "dm_helpers.h" #include "amdgpu_dm_mst_types.h" #if defined(CONFIG_DEBUG_FS) #include "amdgpu_dm_debugfs.h" #endif #include "ivsrcid/ivsrcid_vislands30.h" #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/version.h> #include <linux/types.h> #include <linux/pm_runtime.h> #include <linux/firmware.h> #include <drm/drmP.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_uapi.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_dp_mst_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_edid.h> #if defined(CONFIG_DRM_AMD_DC_DCN1_0) #include "ivsrcid/irqsrcs_dcn_1_0.h" #include "dcn/dcn_1_0_offset.h" #include "dcn/dcn_1_0_sh_mask.h" #include "soc15_hw_ip.h" #include "vega10_ip_offset.h" #include "soc15_common.h" #endif #include "modules/inc/mod_freesync.h" #include "modules/power/power_helpers.h" #include "modules/inc/mod_info_packet.h" #define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin" MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU); /** * DOC: overview * * The AMDgpu display manager, **amdgpu_dm** (or even simpler, * **dm**) sits between DRM and DC. It acts as a liason, converting DRM * requests into DC requests, and DC responses into DRM responses. * * The root control structure is &struct amdgpu_display_manager. */ /* basic init/fini API */ static int amdgpu_dm_init(struct amdgpu_device *adev); static void amdgpu_dm_fini(struct amdgpu_device *adev); /* * initializes drm_device display related structures, based on the information * provided by DAL. The drm strcutures are: drm_crtc, drm_connector, * drm_encoder, drm_mode_config * * Returns 0 on success */ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev); /* removes and deallocates the drm structures, created by the above function */ static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm); static void amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector); static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, struct drm_plane *plane, unsigned long possible_crtcs); static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm, struct drm_plane *plane, uint32_t link_index); static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, struct amdgpu_dm_connector *amdgpu_dm_connector, uint32_t link_index, struct amdgpu_encoder *amdgpu_encoder); static int amdgpu_dm_encoder_init(struct drm_device *dev, struct amdgpu_encoder *aencoder, uint32_t link_index); static int amdgpu_dm_connector_get_modes(struct drm_connector *connector); static int amdgpu_dm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock); static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state); static int amdgpu_dm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); static void handle_cursor_update(struct drm_plane *plane, struct drm_plane_state *old_plane_state); static const enum drm_plane_type dm_plane_type_default[AMDGPU_MAX_PLANES] = { DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, }; static const enum drm_plane_type dm_plane_type_carizzo[AMDGPU_MAX_PLANES] = { DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_OVERLAY,/* YUV Capable Underlay */ }; static const enum drm_plane_type dm_plane_type_stoney[AMDGPU_MAX_PLANES] = { DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_PRIMARY, DRM_PLANE_TYPE_OVERLAY, /* YUV Capable Underlay */ }; /* * dm_vblank_get_counter * * @brief * Get counter for number of vertical blanks * * @param * struct amdgpu_device *adev - [in] desired amdgpu device * int disp_idx - [in] which CRTC to get the counter from * * @return * Counter for vertical blanks */ static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc) { if (crtc >= adev->mode_info.num_crtc) return 0; else { struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc]; struct dm_crtc_state *acrtc_state = to_dm_crtc_state( acrtc->base.state); if (acrtc_state->stream == NULL) { DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n", crtc); return 0; } return dc_stream_get_vblank_counter(acrtc_state->stream); } } static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, u32 *vbl, u32 *position) { uint32_t v_blank_start, v_blank_end, h_position, v_position; if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) return -EINVAL; else { struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc]; struct dm_crtc_state *acrtc_state = to_dm_crtc_state( acrtc->base.state); if (acrtc_state->stream == NULL) { DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n", crtc); return 0; } /* * TODO rework base driver to use values directly. * for now parse it back into reg-format */ dc_stream_get_scanoutpos(acrtc_state->stream, &v_blank_start, &v_blank_end, &h_position, &v_position); *position = v_position | (h_position << 16); *vbl = v_blank_start | (v_blank_end << 16); } return 0; } static bool dm_is_idle(void *handle) { /* XXX todo */ return true; } static int dm_wait_for_idle(void *handle) { /* XXX todo */ return 0; } static bool dm_check_soft_reset(void *handle) { return false; } static int dm_soft_reset(void *handle) { /* XXX todo */ return 0; } static struct amdgpu_crtc * get_crtc_by_otg_inst(struct amdgpu_device *adev, int otg_inst) { struct drm_device *dev = adev->ddev; struct drm_crtc *crtc; struct amdgpu_crtc *amdgpu_crtc; if (otg_inst == -1) { WARN_ON(1); return adev->mode_info.crtcs[0]; } list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { amdgpu_crtc = to_amdgpu_crtc(crtc); if (amdgpu_crtc->otg_inst == otg_inst) return amdgpu_crtc; } return NULL; } static void dm_pflip_high_irq(void *interrupt_params) { struct amdgpu_crtc *amdgpu_crtc; struct common_irq_params *irq_params = interrupt_params; struct amdgpu_device *adev = irq_params->adev; unsigned long flags; amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP); /* IRQ could occur when in initial stage */ /* TODO work and BO cleanup */ if (amdgpu_crtc == NULL) { DRM_DEBUG_DRIVER("CRTC is null, returning.\n"); return; } spin_lock_irqsave(&adev->ddev->event_lock, flags); if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n", amdgpu_crtc->pflip_status, AMDGPU_FLIP_SUBMITTED, amdgpu_crtc->crtc_id, amdgpu_crtc); spin_unlock_irqrestore(&adev->ddev->event_lock, flags); return; } /* Update to correct count(s) if racing with vblank irq */ amdgpu_crtc->last_flip_vblank = drm_crtc_accurate_vblank_count(&amdgpu_crtc->base); /* wake up userspace */ if (amdgpu_crtc->event) { drm_crtc_send_vblank_event(&amdgpu_crtc->base, amdgpu_crtc->event); /* page flip completed. clean up */ amdgpu_crtc->event = NULL; } else WARN_ON(1); amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; spin_unlock_irqrestore(&adev->ddev->event_lock, flags); DRM_DEBUG_DRIVER("%s - crtc :%d[%p], pflip_stat:AMDGPU_FLIP_NONE\n", __func__, amdgpu_crtc->crtc_id, amdgpu_crtc); drm_crtc_vblank_put(&amdgpu_crtc->base); } static void dm_crtc_high_irq(void *interrupt_params) { struct common_irq_params *irq_params = interrupt_params; struct amdgpu_device *adev = irq_params->adev; struct amdgpu_crtc *acrtc; struct dm_crtc_state *acrtc_state; acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK); if (acrtc) { drm_crtc_handle_vblank(&acrtc->base); amdgpu_dm_crtc_handle_crc_irq(&acrtc->base); acrtc_state = to_dm_crtc_state(acrtc->base.state); if (acrtc_state->stream && acrtc_state->vrr_params.supported && acrtc_state->freesync_config.state == VRR_STATE_ACTIVE_VARIABLE) { mod_freesync_handle_v_update( adev->dm.freesync_module, acrtc_state->stream, &acrtc_state->vrr_params); dc_stream_adjust_vmin_vmax( adev->dm.dc, acrtc_state->stream, &acrtc_state->vrr_params.adjust); } } } static int dm_set_clockgating_state(void *handle, enum amd_clockgating_state state) { return 0; } static int dm_set_powergating_state(void *handle, enum amd_powergating_state state) { return 0; } /* Prototypes of private functions */ static int dm_early_init(void* handle); /* Allocate memory for FBC compressed data */ static void amdgpu_dm_fbc_init(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = dev->dev_private; struct dm_comressor_info *compressor = &adev->dm.compressor; struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector); struct drm_display_mode *mode; unsigned long max_size = 0; if (adev->dm.dc->fbc_compressor == NULL) return; if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP) return; if (compressor->bo_ptr) return; list_for_each_entry(mode, &connector->modes, head) { if (max_size < mode->htotal * mode->vtotal) max_size = mode->htotal * mode->vtotal; } if (max_size) { int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr, &compressor->gpu_addr, &compressor->cpu_addr); if (r) DRM_ERROR("DM: Failed to initialize FBC\n"); else { adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr; DRM_INFO("DM: FBC alloc %lu\n", max_size*4); } } } static int amdgpu_dm_init(struct amdgpu_device *adev) { struct dc_init_data init_data; adev->dm.ddev = adev->ddev; adev->dm.adev = adev; /* Zero all the fields */ memset(&init_data, 0, sizeof(init_data)); mutex_init(&adev->dm.dc_lock); if(amdgpu_dm_irq_init(adev)) { DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n"); goto error; } init_data.asic_id.chip_family = adev->family; init_data.asic_id.pci_revision_id = adev->rev_id; init_data.asic_id.hw_internal_rev = adev->external_rev_id; init_data.asic_id.vram_width = adev->gmc.vram_width; /* TODO: initialize init_data.asic_id.vram_type here!!!! */ init_data.asic_id.atombios_base_address = adev->mode_info.atom_context->bios; init_data.driver = adev; adev->dm.cgs_device = amdgpu_cgs_create_device(adev); if (!adev->dm.cgs_device) { DRM_ERROR("amdgpu: failed to create cgs device.\n"); goto error; } init_data.cgs_device = adev->dm.cgs_device; init_data.dce_environment = DCE_ENV_PRODUCTION_DRV; /* * TODO debug why this doesn't work on Raven */ if (adev->flags & AMD_IS_APU && adev->asic_type >= CHIP_CARRIZO && adev->asic_type < CHIP_RAVEN) init_data.flags.gpu_vm_support = true; if (amdgpu_dc_feature_mask & DC_FBC_MASK) init_data.flags.fbc_support = true; /* Display Core create. */ adev->dm.dc = dc_create(&init_data); if (adev->dm.dc) { DRM_INFO("Display Core initialized with v%s!\n", DC_VER); } else { DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER); goto error; } adev->dm.freesync_module = mod_freesync_create(adev->dm.dc); if (!adev->dm.freesync_module) { DRM_ERROR( "amdgpu: failed to initialize freesync_module.\n"); } else DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n", adev->dm.freesync_module); amdgpu_dm_init_color_mod(); if (amdgpu_dm_initialize_drm_device(adev)) { DRM_ERROR( "amdgpu: failed to initialize sw for display support.\n"); goto error; } /* Update the actual used number of crtc */ adev->mode_info.num_crtc = adev->dm.display_indexes_num; /* TODO: Add_display_info? */ /* TODO use dynamic cursor width */ adev->ddev->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size; adev->ddev->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size; if (drm_vblank_init(adev->ddev, adev->dm.display_indexes_num)) { DRM_ERROR( "amdgpu: failed to initialize sw for display support.\n"); goto error; } #if defined(CONFIG_DEBUG_FS) if (dtn_debugfs_init(adev)) DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n"); #endif DRM_DEBUG_DRIVER("KMS initialized.\n"); return 0; error: amdgpu_dm_fini(adev); return -EINVAL; } static void amdgpu_dm_fini(struct amdgpu_device *adev) { amdgpu_dm_destroy_drm_device(&adev->dm); /* * TODO: pageflip, vlank interrupt * * amdgpu_dm_irq_fini(adev); */ if (adev->dm.cgs_device) { amdgpu_cgs_destroy_device(adev->dm.cgs_device); adev->dm.cgs_device = NULL; } if (adev->dm.freesync_module) { mod_freesync_destroy(adev->dm.freesync_module); adev->dm.freesync_module = NULL; } /* DC Destroy TODO: Replace destroy DAL */ if (adev->dm.dc) dc_destroy(&adev->dm.dc); mutex_destroy(&adev->dm.dc_lock); return; } static int load_dmcu_fw(struct amdgpu_device *adev) { const char *fw_name_dmcu; int r; const struct dmcu_firmware_header_v1_0 *hdr; switch(adev->asic_type) { case CHIP_BONAIRE: case CHIP_HAWAII: case CHIP_KAVERI: case CHIP_KABINI: case CHIP_MULLINS: case CHIP_TONGA: case CHIP_FIJI: case CHIP_CARRIZO: case CHIP_STONEY: case CHIP_POLARIS11: case CHIP_POLARIS10: case CHIP_POLARIS12: case CHIP_VEGAM: case CHIP_VEGA10: case CHIP_VEGA12: case CHIP_VEGA20: return 0; case CHIP_RAVEN: fw_name_dmcu = FIRMWARE_RAVEN_DMCU; break; default: DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); return -EINVAL; } if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { DRM_DEBUG_KMS("dm: DMCU firmware not supported on direct or SMU loading\n"); return 0; } r = request_firmware_direct(&adev->dm.fw_dmcu, fw_name_dmcu, adev->dev); if (r == -ENOENT) { /* DMCU firmware is not necessary, so don't raise a fuss if it's missing */ DRM_DEBUG_KMS("dm: DMCU firmware not found\n"); adev->dm.fw_dmcu = NULL; return 0; } if (r) { dev_err(adev->dev, "amdgpu_dm: Can't load firmware \"%s\"\n", fw_name_dmcu); return r; } r = amdgpu_ucode_validate(adev->dm.fw_dmcu); if (r) { dev_err(adev->dev, "amdgpu_dm: Can't validate firmware \"%s\"\n", fw_name_dmcu); release_firmware(adev->dm.fw_dmcu); adev->dm.fw_dmcu = NULL; return r; } hdr = (const struct dmcu_firmware_header_v1_0 *)adev->dm.fw_dmcu->data; adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].ucode_id = AMDGPU_UCODE_ID_DMCU_ERAM; adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].fw = adev->dm.fw_dmcu; adev->firmware.fw_size += ALIGN(le32_to_cpu(hdr->header.ucode_size_bytes) - le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE); adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].ucode_id = AMDGPU_UCODE_ID_DMCU_INTV; adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].fw = adev->dm.fw_dmcu; adev->firmware.fw_size += ALIGN(le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE); adev->dm.dmcu_fw_version = le32_to_cpu(hdr->header.ucode_version); DRM_DEBUG_KMS("PSP loading DMCU firmware\n"); return 0; } static int dm_sw_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; return load_dmcu_fw(adev); } static int dm_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; if(adev->dm.fw_dmcu) { release_firmware(adev->dm.fw_dmcu); adev->dm.fw_dmcu = NULL; } return 0; } static int detect_mst_link_for_all_connectors(struct drm_device *dev) { struct amdgpu_dm_connector *aconnector; struct drm_connector *connector; int ret = 0; drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { aconnector = to_amdgpu_dm_connector(connector); if (aconnector->dc_link->type == dc_connection_mst_branch && aconnector->mst_mgr.aux) { DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n", aconnector, aconnector->base.base.id); ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true); if (ret < 0) { DRM_ERROR("DM_MST: Failed to start MST\n"); ((struct dc_link *)aconnector->dc_link)->type = dc_connection_single; return ret; } } } drm_modeset_unlock(&dev->mode_config.connection_mutex); return ret; } static int dm_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct dmcu_iram_parameters params; unsigned int linear_lut[16]; int i; struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu; bool ret; for (i = 0; i < 16; i++) linear_lut[i] = 0xFFFF * i / 15; params.set = 0; params.backlight_ramping_start = 0xCCCC; params.backlight_ramping_reduction = 0xCCCCCCCC; params.backlight_lut_array_size = 16; params.backlight_lut_array = linear_lut; ret = dmcu_load_iram(dmcu, params); if (!ret) return -EINVAL; return detect_mst_link_for_all_connectors(adev->ddev); } static void s3_handle_mst(struct drm_device *dev, bool suspend) { struct amdgpu_dm_connector *aconnector; struct drm_connector *connector; struct drm_dp_mst_topology_mgr *mgr; int ret; bool need_hotplug = false; drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { aconnector = to_amdgpu_dm_connector(connector); if (aconnector->dc_link->type != dc_connection_mst_branch || aconnector->mst_port) continue; mgr = &aconnector->mst_mgr; if (suspend) { drm_dp_mst_topology_mgr_suspend(mgr); } else { ret = drm_dp_mst_topology_mgr_resume(mgr); if (ret < 0) { drm_dp_mst_topology_mgr_set_mst(mgr, false); need_hotplug = true; } } } drm_modeset_unlock(&dev->mode_config.connection_mutex); if (need_hotplug) drm_kms_helper_hotplug_event(dev); } /** * dm_hw_init() - Initialize DC device * @handle: The base driver device containing the amdpgu_dm device. * * Initialize the &struct amdgpu_display_manager device. This involves calling * the initializers of each DM component, then populating the struct with them. * * Although the function implies hardware initialization, both hardware and * software are initialized here. Splitting them out to their relevant init * hooks is a future TODO item. * * Some notable things that are initialized here: * * - Display Core, both software and hardware * - DC modules that we need (freesync and color management) * - DRM software states * - Interrupt sources and handlers * - Vblank support * - Debug FS entries, if enabled */ static int dm_hw_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; /* Create DAL display manager */ amdgpu_dm_init(adev); amdgpu_dm_hpd_init(adev); return 0; } /** * dm_hw_fini() - Teardown DC device * @handle: The base driver device containing the amdpgu_dm device. * * Teardown components within &struct amdgpu_display_manager that require * cleanup. This involves cleaning up the DRM device, DC, and any modules that * were loaded. Also flush IRQ workqueues and disable them. */ static int dm_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_dm_hpd_fini(adev); amdgpu_dm_irq_fini(adev); amdgpu_dm_fini(adev); return 0; } static int dm_suspend(void *handle) { struct amdgpu_device *adev = handle; struct amdgpu_display_manager *dm = &adev->dm; int ret = 0; WARN_ON(adev->dm.cached_state); adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev); s3_handle_mst(adev->ddev, true); amdgpu_dm_irq_suspend(adev); dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3); return ret; } static struct amdgpu_dm_connector * amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state, struct drm_crtc *crtc) { uint32_t i; struct drm_connector_state *new_con_state; struct drm_connector *connector; struct drm_crtc *crtc_from_state; for_each_new_connector_in_state(state, connector, new_con_state, i) { crtc_from_state = new_con_state->crtc; if (crtc_from_state == crtc) return to_amdgpu_dm_connector(connector); } return NULL; } static void emulated_link_detect(struct dc_link *link) { struct dc_sink_init_data sink_init_data = { 0 }; struct display_sink_capability sink_caps = { 0 }; enum dc_edid_status edid_status; struct dc_context *dc_ctx = link->ctx; struct dc_sink *sink = NULL; struct dc_sink *prev_sink = NULL; link->type = dc_connection_none; prev_sink = link->local_sink; if (prev_sink != NULL) dc_sink_retain(prev_sink); switch (link->connector_signal) { case SIGNAL_TYPE_HDMI_TYPE_A: { sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A; break; } case SIGNAL_TYPE_DVI_SINGLE_LINK: { sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK; break; } case SIGNAL_TYPE_DVI_DUAL_LINK: { sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK; break; } case SIGNAL_TYPE_LVDS: { sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; sink_caps.signal = SIGNAL_TYPE_LVDS; break; } case SIGNAL_TYPE_EDP: { sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX; sink_caps.signal = SIGNAL_TYPE_EDP; break; } case SIGNAL_TYPE_DISPLAY_PORT: { sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX; sink_caps.signal = SIGNAL_TYPE_VIRTUAL; break; } default: DC_ERROR("Invalid connector type! signal:%d\n", link->connector_signal); return; } sink_init_data.link = link; sink_init_data.sink_signal = sink_caps.signal; sink = dc_sink_create(&sink_init_data); if (!sink) { DC_ERROR("Failed to create sink!\n"); return; } link->local_sink = sink; edid_status = dm_helpers_read_local_edid( link->ctx, link, sink); if (edid_status != EDID_OK) DC_ERROR("Failed to read EDID"); } static int dm_resume(void *handle) { struct amdgpu_device *adev = handle; struct drm_device *ddev = adev->ddev; struct amdgpu_display_manager *dm = &adev->dm; struct amdgpu_dm_connector *aconnector; struct drm_connector *connector; struct drm_crtc *crtc; struct drm_crtc_state *new_crtc_state; struct dm_crtc_state *dm_new_crtc_state; struct drm_plane *plane; struct drm_plane_state *new_plane_state; struct dm_plane_state *dm_new_plane_state; enum dc_connection_type new_connection_type = dc_connection_none; int i; /* power on hardware */ dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0); /* program HPD filter */ dc_resume(dm->dc); /* On resume we need to rewrite the MSTM control bits to enamble MST*/ s3_handle_mst(ddev, false); /* * early enable HPD Rx IRQ, should be done before set mode as short * pulse interrupts are used for MST */ amdgpu_dm_irq_resume_early(adev); /* Do detection*/ list_for_each_entry(connector, &ddev->mode_config.connector_list, head) { aconnector = to_amdgpu_dm_connector(connector); /* * this is the case when traversing through already created * MST connectors, should be skipped */ if (aconnector->mst_port) continue; mutex_lock(&aconnector->hpd_lock); if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type)) DRM_ERROR("KMS: Failed to detect connector\n"); if (aconnector->base.force && new_connection_type == dc_connection_none) emulated_link_detect(aconnector->dc_link); else dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); if (aconnector->fake_enable && aconnector->dc_link->local_sink) aconnector->fake_enable = false; aconnector->dc_sink = NULL; amdgpu_dm_update_connector_after_detect(aconnector); mutex_unlock(&aconnector->hpd_lock); } /* Force mode set in atomic commit */ for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) new_crtc_state->active_changed = true; /* * atomic_check is expected to create the dc states. We need to release * them here, since they were duplicated as part of the suspend * procedure. */ for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) { dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); if (dm_new_crtc_state->stream) { WARN_ON(kref_read(&dm_new_crtc_state->stream->refcount) > 1); dc_stream_release(dm_new_crtc_state->stream); dm_new_crtc_state->stream = NULL; } } for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) { dm_new_plane_state = to_dm_plane_state(new_plane_state); if (dm_new_plane_state->dc_state) { WARN_ON(kref_read(&dm_new_plane_state->dc_state->refcount) > 1); dc_plane_state_release(dm_new_plane_state->dc_state); dm_new_plane_state->dc_state = NULL; } } drm_atomic_helper_resume(ddev, dm->cached_state); dm->cached_state = NULL; amdgpu_dm_irq_resume_late(adev); return 0; } /** * DOC: DM Lifecycle * * DM (and consequently DC) is registered in the amdgpu base driver as a IP * block. When CONFIG_DRM_AMD_DC is enabled, the DM device IP block is added to * the base driver's device list to be initialized and torn down accordingly. * * The functions to do so are provided as hooks in &struct amd_ip_funcs. */ static const struct amd_ip_funcs amdgpu_dm_funcs = { .name = "dm", .early_init = dm_early_init, .late_init = dm_late_init, .sw_init = dm_sw_init, .sw_fini = dm_sw_fini, .hw_init = dm_hw_init, .hw_fini = dm_hw_fini, .suspend = dm_suspend, .resume = dm_resume, .is_idle = dm_is_idle, .wait_for_idle = dm_wait_for_idle, .check_soft_reset = dm_check_soft_reset, .soft_reset = dm_soft_reset, .set_clockgating_state = dm_set_clockgating_state, .set_powergating_state = dm_set_powergating_state, }; const struct amdgpu_ip_block_version dm_ip_block = { .type = AMD_IP_BLOCK_TYPE_DCE, .major = 1, .minor = 0, .rev = 0, .funcs = &amdgpu_dm_funcs, }; /** * DOC: atomic * * *WIP* */ static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = { .fb_create = amdgpu_display_user_framebuffer_create, .output_poll_changed = drm_fb_helper_output_poll_changed, .atomic_check = amdgpu_dm_atomic_check, .atomic_commit = amdgpu_dm_atomic_commit, }; static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = { .atomic_commit_tail = amdgpu_dm_atomic_commit_tail }; static void amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector) { struct drm_connector *connector = &aconnector->base; struct drm_device *dev = connector->dev; struct dc_sink *sink; /* MST handled by drm_mst framework */ if (aconnector->mst_mgr.mst_state == true) return; sink = aconnector->dc_link->local_sink; /* * Edid mgmt connector gets first update only in mode_valid hook and then * the connector sink is set to either fake or physical sink depends on link status. * Skip if already done during boot. */ if (aconnector->base.force != DRM_FORCE_UNSPECIFIED && aconnector->dc_em_sink) { /* * For S3 resume with headless use eml_sink to fake stream * because on resume connector->sink is set to NULL */ mutex_lock(&dev->mode_config.mutex); if (sink) { if (aconnector->dc_sink) { amdgpu_dm_update_freesync_caps(connector, NULL); /* * retain and release below are used to * bump up refcount for sink because the link doesn't point * to it anymore after disconnect, so on next crtc to connector * reshuffle by UMD we will get into unwanted dc_sink release */ if (aconnector->dc_sink != aconnector->dc_em_sink) dc_sink_release(aconnector->dc_sink); } aconnector->dc_sink = sink; amdgpu_dm_update_freesync_caps(connector, aconnector->edid); } else { amdgpu_dm_update_freesync_caps(connector, NULL); if (!aconnector->dc_sink) aconnector->dc_sink = aconnector->dc_em_sink; else if (aconnector->dc_sink != aconnector->dc_em_sink) dc_sink_retain(aconnector->dc_sink); } mutex_unlock(&dev->mode_config.mutex); return; } /* * TODO: temporary guard to look for proper fix * if this sink is MST sink, we should not do anything */ if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) return; if (aconnector->dc_sink == sink) { /* * We got a DP short pulse (Link Loss, DP CTS, etc...). * Do nothing!! */ DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n", aconnector->connector_id); return; } DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n", aconnector->connector_id, aconnector->dc_sink, sink); mutex_lock(&dev->mode_config.mutex); /* * 1. Update status of the drm connector * 2. Send an event and let userspace tell us what to do */ if (sink) { /* * TODO: check if we still need the S3 mode update workaround. * If yes, put it here. */ if (aconnector->dc_sink) amdgpu_dm_update_freesync_caps(connector, NULL); aconnector->dc_sink = sink; if (sink->dc_edid.length == 0) { aconnector->edid = NULL; drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux); } else { aconnector->edid = (struct edid *) sink->dc_edid.raw_edid; drm_connector_update_edid_property(connector, aconnector->edid); drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux, aconnector->edid); } amdgpu_dm_update_freesync_caps(connector, aconnector->edid); } else { drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux); amdgpu_dm_update_freesync_caps(connector, NULL); drm_connector_update_edid_property(connector, NULL); aconnector->num_modes = 0; aconnector->dc_sink = NULL; aconnector->edid = NULL; } mutex_unlock(&dev->mode_config.mutex); } static void handle_hpd_irq(void *param) { struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param; struct drm_connector *connector = &aconnector->base; struct drm_device *dev = connector->dev; enum dc_connection_type new_connection_type = dc_connection_none; /* * In case of failure or MST no need to update connector status or notify the OS * since (for MST case) MST does this in its own context. */ mutex_lock(&aconnector->hpd_lock); if (aconnector->fake_enable) aconnector->fake_enable = false; if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type)) DRM_ERROR("KMS: Failed to detect connector\n"); if (aconnector->base.force && new_connection_type == dc_connection_none) { emulated_link_detect(aconnector->dc_link); drm_modeset_lock_all(dev); dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) drm_kms_helper_hotplug_event(dev); } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) { amdgpu_dm_update_connector_after_detect(aconnector); drm_modeset_lock_all(dev); dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) drm_kms_helper_hotplug_event(dev); } mutex_unlock(&aconnector->hpd_lock); } static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector) { uint8_t esi[DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI] = { 0 }; uint8_t dret; bool new_irq_handled = false; int dpcd_addr; int dpcd_bytes_to_read; const int max_process_count = 30; int process_count = 0; const struct dc_link_status *link_status = dc_link_get_status(aconnector->dc_link); if (link_status->dpcd_caps->dpcd_rev.raw < 0x12) { dpcd_bytes_to_read = DP_LANE0_1_STATUS - DP_SINK_COUNT; /* DPCD 0x200 - 0x201 for downstream IRQ */ dpcd_addr = DP_SINK_COUNT; } else { dpcd_bytes_to_read = DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI; /* DPCD 0x2002 - 0x2005 for downstream IRQ */ dpcd_addr = DP_SINK_COUNT_ESI; } dret = drm_dp_dpcd_read( &aconnector->dm_dp_aux.aux, dpcd_addr, esi, dpcd_bytes_to_read); while (dret == dpcd_bytes_to_read && process_count < max_process_count) { uint8_t retry; dret = 0; process_count++; DRM_DEBUG_DRIVER("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]); /* handle HPD short pulse irq */ if (aconnector->mst_mgr.mst_state) drm_dp_mst_hpd_irq( &aconnector->mst_mgr, esi, &new_irq_handled); if (new_irq_handled) { /* ACK at DPCD to notify down stream */ const int ack_dpcd_bytes_to_write = dpcd_bytes_to_read - 1; for (retry = 0; retry < 3; retry++) { uint8_t wret; wret = drm_dp_dpcd_write( &aconnector->dm_dp_aux.aux, dpcd_addr + 1, &esi[1], ack_dpcd_bytes_to_write); if (wret == ack_dpcd_bytes_to_write) break; } /* check if there is new irq to be handled */ dret = drm_dp_dpcd_read( &aconnector->dm_dp_aux.aux, dpcd_addr, esi, dpcd_bytes_to_read); new_irq_handled = false; } else { break; } } if (process_count == max_process_count) DRM_DEBUG_DRIVER("Loop exceeded max iterations\n"); } static void handle_hpd_rx_irq(void *param) { struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param; struct drm_connector *connector = &aconnector->base; struct drm_device *dev = connector->dev; struct dc_link *dc_link = aconnector->dc_link; bool is_mst_root_connector = aconnector->mst_mgr.mst_state; enum dc_connection_type new_connection_type = dc_connection_none; /* * TODO:Temporary add mutex to protect hpd interrupt not have a gpio * conflict, after implement i2c helper, this mutex should be * retired. */ if (dc_link->type != dc_connection_mst_branch) mutex_lock(&aconnector->hpd_lock); if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) && !is_mst_root_connector) { /* Downstream Port status changed. */ if (!dc_link_detect_sink(dc_link, &new_connection_type)) DRM_ERROR("KMS: Failed to detect connector\n"); if (aconnector->base.force && new_connection_type == dc_connection_none) { emulated_link_detect(dc_link); if (aconnector->fake_enable) aconnector->fake_enable = false; amdgpu_dm_update_connector_after_detect(aconnector); drm_modeset_lock_all(dev); dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); drm_kms_helper_hotplug_event(dev); } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) { if (aconnector->fake_enable) aconnector->fake_enable = false; amdgpu_dm_update_connector_after_detect(aconnector); drm_modeset_lock_all(dev); dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); drm_kms_helper_hotplug_event(dev); } } if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) || (dc_link->type == dc_connection_mst_branch)) dm_handle_hpd_rx_irq(aconnector); if (dc_link->type != dc_connection_mst_branch) { drm_dp_cec_irq(&aconnector->dm_dp_aux.aux); mutex_unlock(&aconnector->hpd_lock); } } static void register_hpd_handlers(struct amdgpu_device *adev) { struct drm_device *dev = adev->ddev; struct drm_connector *connector; struct amdgpu_dm_connector *aconnector; const struct dc_link *dc_link; struct dc_interrupt_params int_params = {0}; int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { aconnector = to_amdgpu_dm_connector(connector); dc_link = aconnector->dc_link; if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) { int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; int_params.irq_source = dc_link->irq_source_hpd; amdgpu_dm_irq_register_interrupt(adev, &int_params, handle_hpd_irq, (void *) aconnector); } if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { /* Also register for DP short pulse (hpd_rx). */ int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; int_params.irq_source = dc_link->irq_source_hpd_rx; amdgpu_dm_irq_register_interrupt(adev, &int_params, handle_hpd_rx_irq, (void *) aconnector); } } } /* Register IRQ sources and initialize IRQ callbacks */ static int dce110_register_irq_handlers(struct amdgpu_device *adev) { struct dc *dc = adev->dm.dc; struct common_irq_params *c_irq_params; struct dc_interrupt_params int_params = {0}; int r; int i; unsigned client_id = AMDGPU_IRQ_CLIENTID_LEGACY; if (adev->asic_type == CHIP_VEGA10 || adev->asic_type == CHIP_VEGA12 || adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_RAVEN) client_id = SOC15_IH_CLIENTID_DCE; int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; /* * Actions of amdgpu_irq_add_id(): * 1. Register a set() function with base driver. * Base driver will call set() function to enable/disable an * interrupt in DC hardware. * 2. Register amdgpu_dm_irq_handler(). * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts * coming from DC hardware. * amdgpu_dm_irq_handler() will re-direct the interrupt to DC * for acknowledging and handling. */ /* Use VBLANK interrupt */ for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) { r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq); if (r) { DRM_ERROR("Failed to add crtc irq id!\n"); return r; } int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; int_params.irq_source = dc_interrupt_to_irq_source(dc, i, 0); c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; c_irq_params->adev = adev; c_irq_params->irq_src = int_params.irq_source; amdgpu_dm_irq_register_interrupt(adev, &int_params, dm_crtc_high_irq, c_irq_params); } /* Use GRPH_PFLIP interrupt */ for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) { r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq); if (r) { DRM_ERROR("Failed to add page flip irq id!\n"); return r; } int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; int_params.irq_source = dc_interrupt_to_irq_source(dc, i, 0); c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; c_irq_params->adev = adev; c_irq_params->irq_src = int_params.irq_source; amdgpu_dm_irq_register_interrupt(adev, &int_params, dm_pflip_high_irq, c_irq_params); } /* HPD */ r = amdgpu_irq_add_id(adev, client_id, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); if (r) { DRM_ERROR("Failed to add hpd irq id!\n"); return r; } register_hpd_handlers(adev); return 0; } #if defined(CONFIG_DRM_AMD_DC_DCN1_0) /* Register IRQ sources and initialize IRQ callbacks */ static int dcn10_register_irq_handlers(struct amdgpu_device *adev) { struct dc *dc = adev->dm.dc; struct common_irq_params *c_irq_params; struct dc_interrupt_params int_params = {0}; int r; int i; int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; /* * Actions of amdgpu_irq_add_id(): * 1. Register a set() function with base driver. * Base driver will call set() function to enable/disable an * interrupt in DC hardware. * 2. Register amdgpu_dm_irq_handler(). * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts * coming from DC hardware. * amdgpu_dm_irq_handler() will re-direct the interrupt to DC * for acknowledging and handling. */ /* Use VSTARTUP interrupt */ for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP; i <= DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP + adev->mode_info.num_crtc - 1; i++) { r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->crtc_irq); if (r) { DRM_ERROR("Failed to add crtc irq id!\n"); return r; } int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; int_params.irq_source = dc_interrupt_to_irq_source(dc, i, 0); c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; c_irq_params->adev = adev; c_irq_params->irq_src = int_params.irq_source; amdgpu_dm_irq_register_interrupt(adev, &int_params, dm_crtc_high_irq, c_irq_params); } /* Use GRPH_PFLIP interrupt */ for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT; i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + adev->mode_info.num_crtc - 1; i++) { r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq); if (r) { DRM_ERROR("Failed to add page flip irq id!\n"); return r; } int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; int_params.irq_source = dc_interrupt_to_irq_source(dc, i, 0); c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; c_irq_params->adev = adev; c_irq_params->irq_src = int_params.irq_source; amdgpu_dm_irq_register_interrupt(adev, &int_params, dm_pflip_high_irq, c_irq_params); } /* HPD */ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DC_HPD1_INT, &adev->hpd_irq); if (r) { DRM_ERROR("Failed to add hpd irq id!\n"); return r; } register_hpd_handlers(adev); return 0; } #endif /* * Acquires the lock for the atomic state object and returns * the new atomic state. * * This should only be called during atomic check. */ static int dm_atomic_get_state(struct drm_atomic_state *state, struct dm_atomic_state **dm_state) { struct drm_device *dev = state->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_display_manager *dm = &adev->dm; struct drm_private_state *priv_state; int ret; if (*dm_state) return 0; ret = drm_modeset_lock(&dm->atomic_obj_lock, state->acquire_ctx); if (ret) return ret; priv_state = drm_atomic_get_private_obj_state(state, &dm->atomic_obj); if (IS_ERR(priv_state)) return PTR_ERR(priv_state); *dm_state = to_dm_atomic_state(priv_state); return 0; } struct dm_atomic_state * dm_atomic_get_new_state(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_display_manager *dm = &adev->dm; struct drm_private_obj *obj; struct drm_private_state *new_obj_state; int i; for_each_new_private_obj_in_state(state, obj, new_obj_state, i) { if (obj->funcs == dm->atomic_obj.funcs) return to_dm_atomic_state(new_obj_state); } return NULL; } struct dm_atomic_state * dm_atomic_get_old_state(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_display_manager *dm = &adev->dm; struct drm_private_obj *obj; struct drm_private_state *old_obj_state; int i; for_each_old_private_obj_in_state(state, obj, old_obj_state, i) { if (obj->funcs == dm->atomic_obj.funcs) return to_dm_atomic_state(old_obj_state); } return NULL; } static struct drm_private_state * dm_atomic_duplicate_state(struct drm_private_obj *obj) { struct dm_atomic_state *old_state, *new_state; new_state = kzalloc(sizeof(*new_state), GFP_KERNEL); if (!new_state) return NULL; __drm_atomic_helper_private_obj_duplicate_state(obj, &new_state->base); new_state->context = dc_create_state(); if (!new_state->context) { kfree(new_state); return NULL; } old_state = to_dm_atomic_state(obj->state); if (old_state && old_state->context) dc_resource_state_copy_construct(old_state->context, new_state->context); return &new_state->base; } static void dm_atomic_destroy_state(struct drm_private_obj *obj, struct drm_private_state *state) { struct dm_atomic_state *dm_state = to_dm_atomic_state(state); if (dm_state && dm_state->context) dc_release_state(dm_state->context); kfree(dm_state); } static struct drm_private_state_funcs dm_atomic_state_funcs = { .atomic_duplicate_state = dm_atomic_duplicate_state, .atomic_destroy_state = dm_atomic_destroy_state, }; static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev) { struct dm_atomic_state *state; int r; adev->mode_info.mode_config_initialized = true; adev->ddev->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs; adev->ddev->mode_config.helper_private = &amdgpu_dm_mode_config_helperfuncs; adev->ddev->mode_config.max_width = 16384; adev->ddev->mode_config.max_height = 16384; adev->ddev->mode_config.preferred_depth = 24; adev->ddev->mode_config.prefer_shadow = 1; /* indicates support for immediate flip */ adev->ddev->mode_config.async_page_flip = true; adev->ddev->mode_config.fb_base = adev->gmc.aper_base; drm_modeset_lock_init(&adev->dm.atomic_obj_lock); state = kzalloc(sizeof(*state), GFP_KERNEL); if (!state) return -ENOMEM; state->context = dc_create_state(); if (!state->context) { kfree(state); return -ENOMEM; } dc_resource_state_copy_construct_current(adev->dm.dc, state->context); drm_atomic_private_obj_init(&adev->dm.atomic_obj, &state->base, &dm_atomic_state_funcs); r = amdgpu_display_modeset_create_props(adev); if (r) return r; return 0; } #define AMDGPU_DM_DEFAULT_MIN_BACKLIGHT 12 #define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm) { #if defined(CONFIG_ACPI) struct amdgpu_dm_backlight_caps caps; if (dm->backlight_caps.caps_valid) return; amdgpu_acpi_get_backlight_caps(dm->adev, &caps); if (caps.caps_valid) { dm->backlight_caps.min_input_signal = caps.min_input_signal; dm->backlight_caps.max_input_signal = caps.max_input_signal; dm->backlight_caps.caps_valid = true; } else { dm->backlight_caps.min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT; dm->backlight_caps.max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; } #else dm->backlight_caps.min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT; dm->backlight_caps.max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; #endif } static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) { struct amdgpu_display_manager *dm = bl_get_data(bd); struct amdgpu_dm_backlight_caps caps; uint32_t brightness = bd->props.brightness; amdgpu_dm_update_backlight_caps(dm); caps = dm->backlight_caps; /* * The brightness input is in the range 0-255 * It needs to be rescaled to be between the * requested min and max input signal * * It also needs to be scaled up by 0x101 to * match the DC interface which has a range of * 0 to 0xffff */ brightness = brightness * 0x101 * (caps.max_input_signal - caps.min_input_signal) / AMDGPU_MAX_BL_LEVEL + caps.min_input_signal * 0x101; if (dc_link_set_backlight_level(dm->backlight_link, brightness, 0)) return 0; else return 1; } static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd) { struct amdgpu_display_manager *dm = bl_get_data(bd); int ret = dc_link_get_backlight_level(dm->backlight_link); if (ret == DC_ERROR_UNEXPECTED) return bd->props.brightness; return ret; } static const struct backlight_ops amdgpu_dm_backlight_ops = { .get_brightness = amdgpu_dm_backlight_get_brightness, .update_status = amdgpu_dm_backlight_update_status, }; static void amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm) { char bl_name[16]; struct backlight_properties props = { 0 }; amdgpu_dm_update_backlight_caps(dm); props.max_brightness = AMDGPU_MAX_BL_LEVEL; props.brightness = AMDGPU_MAX_BL_LEVEL; props.type = BACKLIGHT_RAW; snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d", dm->adev->ddev->primary->index); dm->backlight_dev = backlight_device_register(bl_name, dm->adev->ddev->dev, dm, &amdgpu_dm_backlight_ops, &props); if (IS_ERR(dm->backlight_dev)) DRM_ERROR("DM: Backlight registration failed!\n"); else DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name); } #endif static int initialize_plane(struct amdgpu_display_manager *dm, struct amdgpu_mode_info *mode_info, int plane_id) { struct drm_plane *plane; unsigned long possible_crtcs; int ret = 0; plane = kzalloc(sizeof(struct drm_plane), GFP_KERNEL); mode_info->planes[plane_id] = plane; if (!plane) { DRM_ERROR("KMS: Failed to allocate plane\n"); return -ENOMEM; } plane->type = mode_info->plane_type[plane_id]; /* * HACK: IGT tests expect that each plane can only have * one possible CRTC. For now, set one CRTC for each * plane that is not an underlay, but still allow multiple * CRTCs for underlay planes. */ possible_crtcs = 1 << plane_id; if (plane_id >= dm->dc->caps.max_streams) possible_crtcs = 0xff; ret = amdgpu_dm_plane_init(dm, mode_info->planes[plane_id], possible_crtcs); if (ret) { DRM_ERROR("KMS: Failed to initialize plane\n"); return ret; } return ret; } static void register_backlight_device(struct amdgpu_display_manager *dm, struct dc_link *link) { #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) && link->type != dc_connection_none) { /* * Event if registration failed, we should continue with * DM initialization because not having a backlight control * is better then a black screen. */ amdgpu_dm_register_backlight_device(dm); if (dm->backlight_dev) dm->backlight_link = link; } #endif } /* * In this architecture, the association * connector -> encoder -> crtc * id not really requried. The crtc and connector will hold the * display_index as an abstraction to use with DAL component * * Returns 0 on success */ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) { struct amdgpu_display_manager *dm = &adev->dm; int32_t i; struct amdgpu_dm_connector *aconnector = NULL; struct amdgpu_encoder *aencoder = NULL; struct amdgpu_mode_info *mode_info = &adev->mode_info; uint32_t link_cnt; int32_t total_overlay_planes, total_primary_planes; enum dc_connection_type new_connection_type = dc_connection_none; link_cnt = dm->dc->caps.max_links; if (amdgpu_dm_mode_config_init(dm->adev)) { DRM_ERROR("DM: Failed to initialize mode config\n"); return -EINVAL; } /* Identify the number of planes to be initialized */ total_overlay_planes = dm->dc->caps.max_slave_planes; total_primary_planes = dm->dc->caps.max_planes - dm->dc->caps.max_slave_planes; /* First initialize overlay planes, index starting after primary planes */ for (i = (total_overlay_planes - 1); i >= 0; i--) { if (initialize_plane(dm, mode_info, (total_primary_planes + i))) { DRM_ERROR("KMS: Failed to initialize overlay plane\n"); goto fail; } } /* Initialize primary planes */ for (i = (total_primary_planes - 1); i >= 0; i--) { if (initialize_plane(dm, mode_info, i)) { DRM_ERROR("KMS: Failed to initialize primary plane\n"); goto fail; } } for (i = 0; i < dm->dc->caps.max_streams; i++) if (amdgpu_dm_crtc_init(dm, mode_info->planes[i], i)) { DRM_ERROR("KMS: Failed to initialize crtc\n"); goto fail; } dm->display_indexes_num = dm->dc->caps.max_streams; /* loops over all connectors on the board */ for (i = 0; i < link_cnt; i++) { struct dc_link *link = NULL; if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) { DRM_ERROR( "KMS: Cannot support more than %d display indexes\n", AMDGPU_DM_MAX_DISPLAY_INDEX); continue; } aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL); if (!aconnector) goto fail; aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL); if (!aencoder) goto fail; if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) { DRM_ERROR("KMS: Failed to initialize encoder\n"); goto fail; } if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) { DRM_ERROR("KMS: Failed to initialize connector\n"); goto fail; } link = dc_get_link_at_index(dm->dc, i); if (!dc_link_detect_sink(link, &new_connection_type)) DRM_ERROR("KMS: Failed to detect connector\n"); if (aconnector->base.force && new_connection_type == dc_connection_none) { emulated_link_detect(link); amdgpu_dm_update_connector_after_detect(aconnector); } else if (dc_link_detect(link, DETECT_REASON_BOOT)) { amdgpu_dm_update_connector_after_detect(aconnector); register_backlight_device(dm, link); } } /* Software is initialized. Now we can register interrupt handlers. */ switch (adev->asic_type) { case CHIP_BONAIRE: case CHIP_HAWAII: case CHIP_KAVERI: case CHIP_KABINI: case CHIP_MULLINS: case CHIP_TONGA: case CHIP_FIJI: case CHIP_CARRIZO: case CHIP_STONEY: case CHIP_POLARIS11: case CHIP_POLARIS10: case CHIP_POLARIS12: case CHIP_VEGAM: case CHIP_VEGA10: case CHIP_VEGA12: case CHIP_VEGA20: if (dce110_register_irq_handlers(dm->adev)) { DRM_ERROR("DM: Failed to initialize IRQ\n"); goto fail; } break; #if defined(CONFIG_DRM_AMD_DC_DCN1_0) case CHIP_RAVEN: if (dcn10_register_irq_handlers(dm->adev)) { DRM_ERROR("DM: Failed to initialize IRQ\n"); goto fail; } break; #endif default: DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); goto fail; } if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY) dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true; return 0; fail: kfree(aencoder); kfree(aconnector); for (i = 0; i < dm->dc->caps.max_planes; i++) kfree(mode_info->planes[i]); return -EINVAL; } static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm) { drm_mode_config_cleanup(dm->ddev); drm_atomic_private_obj_fini(&dm->atomic_obj); return; } /****************************************************************************** * amdgpu_display_funcs functions *****************************************************************************/ /* * dm_bandwidth_update - program display watermarks * * @adev: amdgpu_device pointer * * Calculate and program the display watermarks and line buffer allocation. */ static void dm_bandwidth_update(struct amdgpu_device *adev) { /* TODO: implement later */ } static const struct amdgpu_display_funcs dm_display_funcs = { .bandwidth_update = dm_bandwidth_update, /* called unconditionally */ .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */ .backlight_set_level = NULL, /* never called for DC */ .backlight_get_level = NULL, /* never called for DC */ .hpd_sense = NULL,/* called unconditionally */ .hpd_set_polarity = NULL, /* called unconditionally */ .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */ .page_flip_get_scanoutpos = dm_crtc_get_scanoutpos,/* called unconditionally */ .add_encoder = NULL, /* VBIOS parsing. DAL does it. */ .add_connector = NULL, /* VBIOS parsing. DAL does it. */ }; #if defined(CONFIG_DEBUG_KERNEL_DC) static ssize_t s3_debug_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { int ret; int s3_state; struct pci_dev *pdev = to_pci_dev(device); struct drm_device *drm_dev = pci_get_drvdata(pdev); struct amdgpu_device *adev = drm_dev->dev_private; ret = kstrtoint(buf, 0, &s3_state); if (ret == 0) { if (s3_state) { dm_resume(adev); drm_kms_helper_hotplug_event(adev->ddev); } else dm_suspend(adev); } return ret == 0 ? count : 0; } DEVICE_ATTR_WO(s3_debug); #endif static int dm_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; switch (adev->asic_type) { case CHIP_BONAIRE: case CHIP_HAWAII: adev->mode_info.num_crtc = 6; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 6; adev->mode_info.plane_type = dm_plane_type_default; break; case CHIP_KAVERI: adev->mode_info.num_crtc = 4; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 7; adev->mode_info.plane_type = dm_plane_type_default; break; case CHIP_KABINI: case CHIP_MULLINS: adev->mode_info.num_crtc = 2; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 6; adev->mode_info.plane_type = dm_plane_type_default; break; case CHIP_FIJI: case CHIP_TONGA: adev->mode_info.num_crtc = 6; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 7; adev->mode_info.plane_type = dm_plane_type_default; break; case CHIP_CARRIZO: adev->mode_info.num_crtc = 3; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 9; adev->mode_info.plane_type = dm_plane_type_carizzo; break; case CHIP_STONEY: adev->mode_info.num_crtc = 2; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 9; adev->mode_info.plane_type = dm_plane_type_stoney; break; case CHIP_POLARIS11: case CHIP_POLARIS12: adev->mode_info.num_crtc = 5; adev->mode_info.num_hpd = 5; adev->mode_info.num_dig = 5; adev->mode_info.plane_type = dm_plane_type_default; break; case CHIP_POLARIS10: case CHIP_VEGAM: adev->mode_info.num_crtc = 6; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 6; adev->mode_info.plane_type = dm_plane_type_default; break; case CHIP_VEGA10: case CHIP_VEGA12: case CHIP_VEGA20: adev->mode_info.num_crtc = 6; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 6; adev->mode_info.plane_type = dm_plane_type_default; break; #if defined(CONFIG_DRM_AMD_DC_DCN1_0) case CHIP_RAVEN: adev->mode_info.num_crtc = 4; adev->mode_info.num_hpd = 4; adev->mode_info.num_dig = 4; adev->mode_info.plane_type = dm_plane_type_default; break; #endif default: DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); return -EINVAL; } amdgpu_dm_set_irq_funcs(adev); if (adev->mode_info.funcs == NULL) adev->mode_info.funcs = &dm_display_funcs; /* * Note: Do NOT change adev->audio_endpt_rreg and * adev->audio_endpt_wreg because they are initialised in * amdgpu_device_init() */ #if defined(CONFIG_DEBUG_KERNEL_DC) device_create_file( adev->ddev->dev, &dev_attr_s3_debug); #endif return 0; } static bool modeset_required(struct drm_crtc_state *crtc_state, struct dc_stream_state *new_stream, struct dc_stream_state *old_stream) { if (!drm_atomic_crtc_needs_modeset(crtc_state)) return false; if (!crtc_state->enable) return false; return crtc_state->active; } static bool modereset_required(struct drm_crtc_state *crtc_state) { if (!drm_atomic_crtc_needs_modeset(crtc_state)) return false; return !crtc_state->enable || !crtc_state->active; } static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder) { drm_encoder_cleanup(encoder); kfree(encoder); } static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = { .destroy = amdgpu_dm_encoder_destroy, }; static bool fill_rects_from_plane_state(const struct drm_plane_state *state, struct dc_plane_state *plane_state) { plane_state->src_rect.x = state->src_x >> 16; plane_state->src_rect.y = state->src_y >> 16; /* we ignore the mantissa for now and do not deal with floating pixels :( */ plane_state->src_rect.width = state->src_w >> 16; if (plane_state->src_rect.width == 0) return false; plane_state->src_rect.height = state->src_h >> 16; if (plane_state->src_rect.height == 0) return false; plane_state->dst_rect.x = state->crtc_x; plane_state->dst_rect.y = state->crtc_y; if (state->crtc_w == 0) return false; plane_state->dst_rect.width = state->crtc_w; if (state->crtc_h == 0) return false; plane_state->dst_rect.height = state->crtc_h; plane_state->clip_rect = plane_state->dst_rect; switch (state->rotation & DRM_MODE_ROTATE_MASK) { case DRM_MODE_ROTATE_0: plane_state->rotation = ROTATION_ANGLE_0; break; case DRM_MODE_ROTATE_90: plane_state->rotation = ROTATION_ANGLE_90; break; case DRM_MODE_ROTATE_180: plane_state->rotation = ROTATION_ANGLE_180; break; case DRM_MODE_ROTATE_270: plane_state->rotation = ROTATION_ANGLE_270; break; default: plane_state->rotation = ROTATION_ANGLE_0; break; } return true; } static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb, uint64_t *tiling_flags) { struct amdgpu_bo *rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]); int r = amdgpu_bo_reserve(rbo, false); if (unlikely(r)) { /* Don't show error message when returning -ERESTARTSYS */ if (r != -ERESTARTSYS) DRM_ERROR("Unable to reserve buffer: %d\n", r); return r; } if (tiling_flags) amdgpu_bo_get_tiling_flags(rbo, tiling_flags); amdgpu_bo_unreserve(rbo); return r; } static int fill_plane_attributes_from_fb(struct amdgpu_device *adev, struct dc_plane_state *plane_state, const struct amdgpu_framebuffer *amdgpu_fb) { uint64_t tiling_flags; unsigned int awidth; const struct drm_framebuffer *fb = &amdgpu_fb->base; int ret = 0; struct drm_format_name_buf format_name; ret = get_fb_info( amdgpu_fb, &tiling_flags); if (ret) return ret; switch (fb->format->format) { case DRM_FORMAT_C8: plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS; break; case DRM_FORMAT_RGB565: plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565; break; case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888; break; case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010; break; case DRM_FORMAT_XBGR2101010: case DRM_FORMAT_ABGR2101010: plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010; break; case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR8888; break; case DRM_FORMAT_NV21: plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr; break; case DRM_FORMAT_NV12: plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb; break; default: DRM_ERROR("Unsupported screen format %s\n", drm_get_format_name(fb->format->format, &format_name)); return -EINVAL; } if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) { plane_state->address.type = PLN_ADDR_TYPE_GRAPHICS; plane_state->plane_size.grph.surface_size.x = 0; plane_state->plane_size.grph.surface_size.y = 0; plane_state->plane_size.grph.surface_size.width = fb->width; plane_state->plane_size.grph.surface_size.height = fb->height; plane_state->plane_size.grph.surface_pitch = fb->pitches[0] / fb->format->cpp[0]; /* TODO: unhardcode */ plane_state->color_space = COLOR_SPACE_SRGB; } else { awidth = ALIGN(fb->width, 64); plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE; plane_state->plane_size.video.luma_size.x = 0; plane_state->plane_size.video.luma_size.y = 0; plane_state->plane_size.video.luma_size.width = awidth; plane_state->plane_size.video.luma_size.height = fb->height; /* TODO: unhardcode */ plane_state->plane_size.video.luma_pitch = awidth; plane_state->plane_size.video.chroma_size.x = 0; plane_state->plane_size.video.chroma_size.y = 0; plane_state->plane_size.video.chroma_size.width = awidth; plane_state->plane_size.video.chroma_size.height = fb->height; plane_state->plane_size.video.chroma_pitch = awidth / 2; /* TODO: unhardcode */ plane_state->color_space = COLOR_SPACE_YCBCR709; } memset(&plane_state->tiling_info, 0, sizeof(plane_state->tiling_info)); /* Fill GFX8 params */ if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1) { unsigned int bankw, bankh, mtaspect, tile_split, num_banks; bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); /* XXX fix me for VI */ plane_state->tiling_info.gfx8.num_banks = num_banks; plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_2D_TILED_THIN1; plane_state->tiling_info.gfx8.tile_split = tile_split; plane_state->tiling_info.gfx8.bank_width = bankw; plane_state->tiling_info.gfx8.bank_height = bankh; plane_state->tiling_info.gfx8.tile_aspect = mtaspect; plane_state->tiling_info.gfx8.tile_mode = DC_ADDR_SURF_MICRO_TILING_DISPLAY; } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_1D_TILED_THIN1) { plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_1D_TILED_THIN1; } plane_state->tiling_info.gfx8.pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); if (adev->asic_type == CHIP_VEGA10 || adev->asic_type == CHIP_VEGA12 || adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_RAVEN) { /* Fill GFX9 params */ plane_state->tiling_info.gfx9.num_pipes = adev->gfx.config.gb_addr_config_fields.num_pipes; plane_state->tiling_info.gfx9.num_banks = adev->gfx.config.gb_addr_config_fields.num_banks; plane_state->tiling_info.gfx9.pipe_interleave = adev->gfx.config.gb_addr_config_fields.pipe_interleave_size; plane_state->tiling_info.gfx9.num_shader_engines = adev->gfx.config.gb_addr_config_fields.num_se; plane_state->tiling_info.gfx9.max_compressed_frags = adev->gfx.config.gb_addr_config_fields.max_compress_frags; plane_state->tiling_info.gfx9.num_rb_per_se = adev->gfx.config.gb_addr_config_fields.num_rb_per_se; plane_state->tiling_info.gfx9.swizzle = AMDGPU_TILING_GET(tiling_flags, SWIZZLE_MODE); plane_state->tiling_info.gfx9.shaderEnable = 1; } plane_state->visible = true; plane_state->scaling_quality.h_taps_c = 0; plane_state->scaling_quality.v_taps_c = 0; /* is this needed? is plane_state zeroed at allocation? */ plane_state->scaling_quality.h_taps = 0; plane_state->scaling_quality.v_taps = 0; plane_state->stereo_format = PLANE_STEREO_FORMAT_NONE; return ret; } static int fill_plane_attributes(struct amdgpu_device *adev, struct dc_plane_state *dc_plane_state, struct drm_plane_state *plane_state, struct drm_crtc_state *crtc_state) { const struct amdgpu_framebuffer *amdgpu_fb = to_amdgpu_framebuffer(plane_state->fb); const struct drm_crtc *crtc = plane_state->crtc; int ret = 0; if (!fill_rects_from_plane_state(plane_state, dc_plane_state)) return -EINVAL; ret = fill_plane_attributes_from_fb( crtc->dev->dev_private, dc_plane_state, amdgpu_fb); if (ret) return ret; /* * Always set input transfer function, since plane state is refreshed * every time. */ ret = amdgpu_dm_set_degamma_lut(crtc_state, dc_plane_state); if (ret) { dc_transfer_func_release(dc_plane_state->in_transfer_func); dc_plane_state->in_transfer_func = NULL; } return ret; } static void update_stream_scaling_settings(const struct drm_display_mode *mode, const struct dm_connector_state *dm_state, struct dc_stream_state *stream) { enum amdgpu_rmx_type rmx_type; struct rect src = { 0 }; /* viewport in composition space*/ struct rect dst = { 0 }; /* stream addressable area */ /* no mode. nothing to be done */ if (!mode) return; /* Full screen scaling by default */ src.width = mode->hdisplay; src.height = mode->vdisplay; dst.width = stream->timing.h_addressable; dst.height = stream->timing.v_addressable; if (dm_state) { rmx_type = dm_state->scaling; if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) { if (src.width * dst.height < src.height * dst.width) { /* height needs less upscaling/more downscaling */ dst.width = src.width * dst.height / src.height; } else { /* width needs less upscaling/more downscaling */ dst.height = src.height * dst.width / src.width; } } else if (rmx_type == RMX_CENTER) { dst = src; } dst.x = (stream->timing.h_addressable - dst.width) / 2; dst.y = (stream->timing.v_addressable - dst.height) / 2; if (dm_state->underscan_enable) { dst.x += dm_state->underscan_hborder / 2; dst.y += dm_state->underscan_vborder / 2; dst.width -= dm_state->underscan_hborder; dst.height -= dm_state->underscan_vborder; } } stream->src = src; stream->dst = dst; DRM_DEBUG_DRIVER("Destination Rectangle x:%d y:%d width:%d height:%d\n", dst.x, dst.y, dst.width, dst.height); } static enum dc_color_depth convert_color_depth_from_display_info(const struct drm_connector *connector) { struct dm_connector_state *dm_conn_state = to_dm_connector_state(connector->state); uint32_t bpc = connector->display_info.bpc; /* TODO: Remove this when there's support for max_bpc in drm */ if (dm_conn_state && bpc > dm_conn_state->max_bpc) /* Round down to nearest even number. */ bpc = dm_conn_state->max_bpc - (dm_conn_state->max_bpc & 1); switch (bpc) { case 0: /* * Temporary Work around, DRM doesn't parse color depth for * EDID revision before 1.4 * TODO: Fix edid parsing */ return COLOR_DEPTH_888; case 6: return COLOR_DEPTH_666; case 8: return COLOR_DEPTH_888; case 10: return COLOR_DEPTH_101010; case 12: return COLOR_DEPTH_121212; case 14: return COLOR_DEPTH_141414; case 16: return COLOR_DEPTH_161616; default: return COLOR_DEPTH_UNDEFINED; } } static enum dc_aspect_ratio get_aspect_ratio(const struct drm_display_mode *mode_in) { /* 1-1 mapping, since both enums follow the HDMI spec. */ return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio; } static enum dc_color_space get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing) { enum dc_color_space color_space = COLOR_SPACE_SRGB; switch (dc_crtc_timing->pixel_encoding) { case PIXEL_ENCODING_YCBCR422: case PIXEL_ENCODING_YCBCR444: case PIXEL_ENCODING_YCBCR420: { /* * 27030khz is the separation point between HDTV and SDTV * according to HDMI spec, we use YCbCr709 and YCbCr601 * respectively */ if (dc_crtc_timing->pix_clk_khz > 27030) { if (dc_crtc_timing->flags.Y_ONLY) color_space = COLOR_SPACE_YCBCR709_LIMITED; else color_space = COLOR_SPACE_YCBCR709; } else { if (dc_crtc_timing->flags.Y_ONLY) color_space = COLOR_SPACE_YCBCR601_LIMITED; else color_space = COLOR_SPACE_YCBCR601; } } break; case PIXEL_ENCODING_RGB: color_space = COLOR_SPACE_SRGB; break; default: WARN_ON(1); break; } return color_space; } static void reduce_mode_colour_depth(struct dc_crtc_timing *timing_out) { if (timing_out->display_color_depth <= COLOR_DEPTH_888) return; timing_out->display_color_depth--; } static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_out, const struct drm_display_info *info) { int normalized_clk; if (timing_out->display_color_depth <= COLOR_DEPTH_888) return; do { normalized_clk = timing_out->pix_clk_khz; /* YCbCr 4:2:0 requires additional adjustment of 1/2 */ if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420) normalized_clk /= 2; /* Adjusting pix clock following on HDMI spec based on colour depth */ switch (timing_out->display_color_depth) { case COLOR_DEPTH_101010: normalized_clk = (normalized_clk * 30) / 24; break; case COLOR_DEPTH_121212: normalized_clk = (normalized_clk * 36) / 24; break; case COLOR_DEPTH_161616: normalized_clk = (normalized_clk * 48) / 24; break; default: return; } if (normalized_clk <= info->max_tmds_clock) return; reduce_mode_colour_depth(timing_out); } while (timing_out->display_color_depth > COLOR_DEPTH_888); } static void fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream, const struct drm_display_mode *mode_in, const struct drm_connector *connector, const struct dc_stream_state *old_stream) { struct dc_crtc_timing *timing_out = &stream->timing; const struct drm_display_info *info = &connector->display_info; memset(timing_out, 0, sizeof(struct dc_crtc_timing)); timing_out->h_border_left = 0; timing_out->h_border_right = 0; timing_out->v_border_top = 0; timing_out->v_border_bottom = 0; /* TODO: un-hardcode */ if (drm_mode_is_420_only(info, mode_in) && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420; else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444) && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444; else timing_out->pixel_encoding = PIXEL_ENCODING_RGB; timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE; timing_out->display_color_depth = convert_color_depth_from_display_info( connector); timing_out->scan_type = SCANNING_TYPE_NODATA; timing_out->hdmi_vic = 0; if(old_stream) { timing_out->vic = old_stream->timing.vic; timing_out->flags.HSYNC_POSITIVE_POLARITY = old_stream->timing.flags.HSYNC_POSITIVE_POLARITY; timing_out->flags.VSYNC_POSITIVE_POLARITY = old_stream->timing.flags.VSYNC_POSITIVE_POLARITY; } else { timing_out->vic = drm_match_cea_mode(mode_in); if (mode_in->flags & DRM_MODE_FLAG_PHSYNC) timing_out->flags.HSYNC_POSITIVE_POLARITY = 1; if (mode_in->flags & DRM_MODE_FLAG_PVSYNC) timing_out->flags.VSYNC_POSITIVE_POLARITY = 1; } timing_out->h_addressable = mode_in->crtc_hdisplay; timing_out->h_total = mode_in->crtc_htotal; timing_out->h_sync_width = mode_in->crtc_hsync_end - mode_in->crtc_hsync_start; timing_out->h_front_porch = mode_in->crtc_hsync_start - mode_in->crtc_hdisplay; timing_out->v_total = mode_in->crtc_vtotal; timing_out->v_addressable = mode_in->crtc_vdisplay; timing_out->v_front_porch = mode_in->crtc_vsync_start - mode_in->crtc_vdisplay; timing_out->v_sync_width = mode_in->crtc_vsync_end - mode_in->crtc_vsync_start; timing_out->pix_clk_khz = mode_in->crtc_clock; timing_out->aspect_ratio = get_aspect_ratio(mode_in); stream->output_color_space = get_output_color_space(timing_out); stream->out_transfer_func->type = TF_TYPE_PREDEFINED; stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB; if (stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) adjust_colour_depth_from_display_info(timing_out, info); } static void fill_audio_info(struct audio_info *audio_info, const struct drm_connector *drm_connector, const struct dc_sink *dc_sink) { int i = 0; int cea_revision = 0; const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps; audio_info->manufacture_id = edid_caps->manufacturer_id; audio_info->product_id = edid_caps->product_id; cea_revision = drm_connector->display_info.cea_rev; strscpy(audio_info->display_name, edid_caps->display_name, AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS); if (cea_revision >= 3) { audio_info->mode_count = edid_caps->audio_mode_count; for (i = 0; i < audio_info->mode_count; ++i) { audio_info->modes[i].format_code = (enum audio_format_code) (edid_caps->audio_modes[i].format_code); audio_info->modes[i].channel_count = edid_caps->audio_modes[i].channel_count; audio_info->modes[i].sample_rates.all = edid_caps->audio_modes[i].sample_rate; audio_info->modes[i].sample_size = edid_caps->audio_modes[i].sample_size; } } audio_info->flags.all = edid_caps->speaker_flags; /* TODO: We only check for the progressive mode, check for interlace mode too */ if (drm_connector->latency_present[0]) { audio_info->video_latency = drm_connector->video_latency[0]; audio_info->audio_latency = drm_connector->audio_latency[0]; } /* TODO: For DP, video and audio latency should be calculated from DPCD caps */ } static void copy_crtc_timing_for_drm_display_mode(const struct drm_display_mode *src_mode, struct drm_display_mode *dst_mode) { dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay; dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay; dst_mode->crtc_clock = src_mode->crtc_clock; dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start; dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end; dst_mode->crtc_hsync_start = src_mode->crtc_hsync_start; dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end; dst_mode->crtc_htotal = src_mode->crtc_htotal; dst_mode->crtc_hskew = src_mode->crtc_hskew; dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start; dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end; dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start; dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end; dst_mode->crtc_vtotal = src_mode->crtc_vtotal; } static void decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode, const struct drm_display_mode *native_mode, bool scale_enabled) { if (scale_enabled) { copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode); } else if (native_mode->clock == drm_mode->clock && native_mode->htotal == drm_mode->htotal && native_mode->vtotal == drm_mode->vtotal) { copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode); } else { /* no scaling nor amdgpu inserted, no need to patch */ } } static struct dc_sink * create_fake_sink(struct amdgpu_dm_connector *aconnector) { struct dc_sink_init_data sink_init_data = { 0 }; struct dc_sink *sink = NULL; sink_init_data.link = aconnector->dc_link; sink_init_data.sink_signal = aconnector->dc_link->connector_signal; sink = dc_sink_create(&sink_init_data); if (!sink) { DRM_ERROR("Failed to create sink!\n"); return NULL; } sink->sink_signal = SIGNAL_TYPE_VIRTUAL; return sink; } static void set_multisync_trigger_params( struct dc_stream_state *stream) { if (stream->triggered_crtc_reset.enabled) { stream->triggered_crtc_reset.event = CRTC_EVENT_VSYNC_RISING; stream->triggered_crtc_reset.delay = TRIGGER_DELAY_NEXT_LINE; } } static void set_master_stream(struct dc_stream_state *stream_set[], int stream_count) { int j, highest_rfr = 0, master_stream = 0; for (j = 0; j < stream_count; j++) { if (stream_set[j] && stream_set[j]->triggered_crtc_reset.enabled) { int refresh_rate = 0; refresh_rate = (stream_set[j]->timing.pix_clk_khz*1000)/ (stream_set[j]->timing.h_total*stream_set[j]->timing.v_total); if (refresh_rate > highest_rfr) { highest_rfr = refresh_rate; master_stream = j; } } } for (j = 0; j < stream_count; j++) { if (stream_set[j]) stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream]; } } static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context) { int i = 0; if (context->stream_count < 2) return; for (i = 0; i < context->stream_count ; i++) { if (!context->streams[i]) continue; /* * TODO: add a function to read AMD VSDB bits and set * crtc_sync_master.multi_sync_enabled flag * For now it's set to false */ set_multisync_trigger_params(context->streams[i]); } set_master_stream(context->streams, context->stream_count); } static struct dc_stream_state * create_stream_for_sink(struct amdgpu_dm_connector *aconnector, const struct drm_display_mode *drm_mode, const struct dm_connector_state *dm_state, const struct dc_stream_state *old_stream) { struct drm_display_mode *preferred_mode = NULL; struct drm_connector *drm_connector; struct dc_stream_state *stream = NULL; struct drm_display_mode mode = *drm_mode; bool native_mode_found = false; bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false; int mode_refresh; int preferred_refresh = 0; struct dc_sink *sink = NULL; if (aconnector == NULL) { DRM_ERROR("aconnector is NULL!\n"); return stream; } drm_connector = &aconnector->base; if (!aconnector->dc_sink) { if (!aconnector->mst_port) { sink = create_fake_sink(aconnector); if (!sink) return stream; } } else { sink = aconnector->dc_sink; } stream = dc_create_stream_for_sink(sink); if (stream == NULL) { DRM_ERROR("Failed to create stream for sink!\n"); goto finish; } list_for_each_entry(preferred_mode, &aconnector->base.modes, head) { /* Search for preferred mode */ if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) { native_mode_found = true; break; } } if (!native_mode_found) preferred_mode = list_first_entry_or_null( &aconnector->base.modes, struct drm_display_mode, head); mode_refresh = drm_mode_vrefresh(&mode); if (preferred_mode == NULL) { /* * This may not be an error, the use case is when we have no * usermode calls to reset and set mode upon hotplug. In this * case, we call set mode ourselves to restore the previous mode * and the modelist may not be filled in in time. */ DRM_DEBUG_DRIVER("No preferred mode found\n"); } else { decide_crtc_timing_for_drm_display_mode( &mode, preferred_mode, dm_state ? (dm_state->scaling != RMX_OFF) : false); preferred_refresh = drm_mode_vrefresh(preferred_mode); } if (!dm_state) drm_mode_set_crtcinfo(&mode, 0); /* * If scaling is enabled and refresh rate didn't change * we copy the vic and polarities of the old timings */ if (!scale || mode_refresh != preferred_refresh) fill_stream_properties_from_drm_display_mode(stream, &mode, &aconnector->base, NULL); else fill_stream_properties_from_drm_display_mode(stream, &mode, &aconnector->base, old_stream); update_stream_scaling_settings(&mode, dm_state, stream); fill_audio_info( &stream->audio_info, drm_connector, sink); update_stream_signal(stream); if (dm_state && dm_state->freesync_capable) stream->ignore_msa_timing_param = true; finish: if (sink && sink->sink_signal == SIGNAL_TYPE_VIRTUAL && aconnector->base.force != DRM_FORCE_ON) dc_sink_release(sink); return stream; } static void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc) { drm_crtc_cleanup(crtc); kfree(crtc); } static void dm_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state) { struct dm_crtc_state *cur = to_dm_crtc_state(state); /* TODO Destroy dc_stream objects are stream object is flattened */ if (cur->stream) dc_stream_release(cur->stream); __drm_atomic_helper_crtc_destroy_state(state); kfree(state); } static void dm_crtc_reset_state(struct drm_crtc *crtc) { struct dm_crtc_state *state; if (crtc->state) dm_crtc_destroy_state(crtc, crtc->state); state = kzalloc(sizeof(*state), GFP_KERNEL); if (WARN_ON(!state)) return; crtc->state = &state->base; crtc->state->crtc = crtc; } static struct drm_crtc_state * dm_crtc_duplicate_state(struct drm_crtc *crtc) { struct dm_crtc_state *state, *cur; cur = to_dm_crtc_state(crtc->state); if (WARN_ON(!crtc->state)) return NULL; state = kzalloc(sizeof(*state), GFP_KERNEL); if (!state) return NULL; __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base); if (cur->stream) { state->stream = cur->stream; dc_stream_retain(state->stream); } state->vrr_params = cur->vrr_params; state->vrr_infopacket = cur->vrr_infopacket; state->abm_level = cur->abm_level; state->vrr_supported = cur->vrr_supported; state->freesync_config = cur->freesync_config; state->crc_enabled = cur->crc_enabled; /* TODO Duplicate dc_stream after objects are stream object is flattened */ return &state->base; } static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable) { enum dc_irq_source irq_source; struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); struct amdgpu_device *adev = crtc->dev->dev_private; irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst; return dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY; } static int dm_enable_vblank(struct drm_crtc *crtc) { return dm_set_vblank(crtc, true); } static void dm_disable_vblank(struct drm_crtc *crtc) { dm_set_vblank(crtc, false); } /* Implemented only the options currently availible for the driver */ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = { .reset = dm_crtc_reset_state, .destroy = amdgpu_dm_crtc_destroy, .gamma_set = drm_atomic_helper_legacy_gamma_set, .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, .atomic_duplicate_state = dm_crtc_duplicate_state, .atomic_destroy_state = dm_crtc_destroy_state, .set_crc_source = amdgpu_dm_crtc_set_crc_source, .verify_crc_source = amdgpu_dm_crtc_verify_crc_source, .enable_vblank = dm_enable_vblank, .disable_vblank = dm_disable_vblank, }; static enum drm_connector_status amdgpu_dm_connector_detect(struct drm_connector *connector, bool force) { bool connected; struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); /* * Notes: * 1. This interface is NOT called in context of HPD irq. * 2. This interface *is called* in context of user-mode ioctl. Which * makes it a bad place for *any* MST-related activity. */ if (aconnector->base.force == DRM_FORCE_UNSPECIFIED && !aconnector->fake_enable) connected = (aconnector->dc_sink != NULL); else connected = (aconnector->base.force == DRM_FORCE_ON); return (connected ? connector_status_connected : connector_status_disconnected); } int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, struct drm_connector_state *connector_state, struct drm_property *property, uint64_t val) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = dev->dev_private; struct dm_connector_state *dm_old_state = to_dm_connector_state(connector->state); struct dm_connector_state *dm_new_state = to_dm_connector_state(connector_state); int ret = -EINVAL; if (property == dev->mode_config.scaling_mode_property) { enum amdgpu_rmx_type rmx_type; switch (val) { case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; case DRM_MODE_SCALE_NONE: default: rmx_type = RMX_OFF; break; } if (dm_old_state->scaling == rmx_type) return 0; dm_new_state->scaling = rmx_type; ret = 0; } else if (property == adev->mode_info.underscan_hborder_property) { dm_new_state->underscan_hborder = val; ret = 0; } else if (property == adev->mode_info.underscan_vborder_property) { dm_new_state->underscan_vborder = val; ret = 0; } else if (property == adev->mode_info.underscan_property) { dm_new_state->underscan_enable = val; ret = 0; } else if (property == adev->mode_info.max_bpc_property) { dm_new_state->max_bpc = val; ret = 0; } else if (property == adev->mode_info.abm_level_property) { dm_new_state->abm_level = val; ret = 0; } return ret; } int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, const struct drm_connector_state *state, struct drm_property *property, uint64_t *val) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = dev->dev_private; struct dm_connector_state *dm_state = to_dm_connector_state(state); int ret = -EINVAL; if (property == dev->mode_config.scaling_mode_property) { switch (dm_state->scaling) { case RMX_CENTER: *val = DRM_MODE_SCALE_CENTER; break; case RMX_ASPECT: *val = DRM_MODE_SCALE_ASPECT; break; case RMX_FULL: *val = DRM_MODE_SCALE_FULLSCREEN; break; case RMX_OFF: default: *val = DRM_MODE_SCALE_NONE; break; } ret = 0; } else if (property == adev->mode_info.underscan_hborder_property) { *val = dm_state->underscan_hborder; ret = 0; } else if (property == adev->mode_info.underscan_vborder_property) { *val = dm_state->underscan_vborder; ret = 0; } else if (property == adev->mode_info.underscan_property) { *val = dm_state->underscan_enable; ret = 0; } else if (property == adev->mode_info.max_bpc_property) { *val = dm_state->max_bpc; ret = 0; } else if (property == adev->mode_info.abm_level_property) { *val = dm_state->abm_level; ret = 0; } return ret; } static void amdgpu_dm_connector_destroy(struct drm_connector *connector) { struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); const struct dc_link *link = aconnector->dc_link; struct amdgpu_device *adev = connector->dev->dev_private; struct amdgpu_display_manager *dm = &adev->dm; #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) && link->type != dc_connection_none && dm->backlight_dev) { backlight_device_unregister(dm->backlight_dev); dm->backlight_dev = NULL; } #endif drm_dp_cec_unregister_connector(&aconnector->dm_dp_aux.aux); drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector) { struct dm_connector_state *state = to_dm_connector_state(connector->state); if (connector->state) __drm_atomic_helper_connector_destroy_state(connector->state); kfree(state); state = kzalloc(sizeof(*state), GFP_KERNEL); if (state) { state->scaling = RMX_OFF; state->underscan_enable = false; state->underscan_hborder = 0; state->underscan_vborder = 0; state->max_bpc = 8; __drm_atomic_helper_connector_reset(connector, &state->base); } } struct drm_connector_state * amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector) { struct dm_connector_state *state = to_dm_connector_state(connector->state); struct dm_connector_state *new_state = kmemdup(state, sizeof(*state), GFP_KERNEL); if (!new_state) return NULL; __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base); new_state->freesync_capable = state->freesync_capable; new_state->abm_level = state->abm_level; new_state->scaling = state->scaling; new_state->underscan_enable = state->underscan_enable; new_state->underscan_hborder = state->underscan_hborder; new_state->underscan_vborder = state->underscan_vborder; new_state->max_bpc = state->max_bpc; return &new_state->base; } static const struct drm_connector_funcs amdgpu_dm_connector_funcs = { .reset = amdgpu_dm_connector_funcs_reset, .detect = amdgpu_dm_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = amdgpu_dm_connector_destroy, .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .atomic_set_property = amdgpu_dm_connector_atomic_set_property, .atomic_get_property = amdgpu_dm_connector_atomic_get_property }; static int get_modes(struct drm_connector *connector) { return amdgpu_dm_connector_get_modes(connector); } static void create_eml_sink(struct amdgpu_dm_connector *aconnector) { struct dc_sink_init_data init_params = { .link = aconnector->dc_link, .sink_signal = SIGNAL_TYPE_VIRTUAL }; struct edid *edid; if (!aconnector->base.edid_blob_ptr) { DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n", aconnector->base.name); aconnector->base.force = DRM_FORCE_OFF; aconnector->base.override_edid = false; return; } edid = (struct edid *) aconnector->base.edid_blob_ptr->data; aconnector->edid = edid; aconnector->dc_em_sink = dc_link_add_remote_sink( aconnector->dc_link, (uint8_t *)edid, (edid->extensions + 1) * EDID_LENGTH, &init_params); if (aconnector->base.force == DRM_FORCE_ON) aconnector->dc_sink = aconnector->dc_link->local_sink ? aconnector->dc_link->local_sink : aconnector->dc_em_sink; } static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector) { struct dc_link *link = (struct dc_link *)aconnector->dc_link; /* * In case of headless boot with force on for DP managed connector * Those settings have to be != 0 to get initial modeset */ if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) { link->verified_link_cap.lane_count = LANE_COUNT_FOUR; link->verified_link_cap.link_rate = LINK_RATE_HIGH2; } aconnector->base.override_edid = true; create_eml_sink(aconnector); } enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { int result = MODE_ERROR; struct dc_sink *dc_sink; struct amdgpu_device *adev = connector->dev->dev_private; /* TODO: Unhardcode stream count */ struct dc_stream_state *stream; struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); enum dc_status dc_result = DC_OK; if ((mode->flags & DRM_MODE_FLAG_INTERLACE) || (mode->flags & DRM_MODE_FLAG_DBLSCAN)) return result; /* * Only run this the first time mode_valid is called to initilialize * EDID mgmt */ if (aconnector->base.force != DRM_FORCE_UNSPECIFIED && !aconnector->dc_em_sink) handle_edid_mgmt(aconnector); dc_sink = to_amdgpu_dm_connector(connector)->dc_sink; if (dc_sink == NULL) { DRM_ERROR("dc_sink is NULL!\n"); goto fail; } stream = create_stream_for_sink(aconnector, mode, NULL, NULL); if (stream == NULL) { DRM_ERROR("Failed to create stream for sink!\n"); goto fail; } dc_result = dc_validate_stream(adev->dm.dc, stream); if (dc_result == DC_OK) result = MODE_OK; else DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n", mode->vdisplay, mode->hdisplay, mode->clock, dc_result); dc_stream_release(stream); fail: /* TODO: error handling*/ return result; } static const struct drm_connector_helper_funcs amdgpu_dm_connector_helper_funcs = { /* * If hotplugging a second bigger display in FB Con mode, bigger resolution * modes will be filtered by drm_mode_validate_size(), and those modes * are missing after user start lightdm. So we need to renew modes list. * in get_modes call back, not just return the modes count */ .get_modes = get_modes, .mode_valid = amdgpu_dm_connector_mode_valid, }; static void dm_crtc_helper_disable(struct drm_crtc *crtc) { } static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { struct amdgpu_device *adev = crtc->dev->dev_private; struct dc *dc = adev->dm.dc; struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(state); int ret = -EINVAL; if (unlikely(!dm_crtc_state->stream && modeset_required(state, NULL, dm_crtc_state->stream))) { WARN_ON(1); return ret; } /* In some use cases, like reset, no stream is attached */ if (!dm_crtc_state->stream) return 0; if (dc_validate_stream(dc, dm_crtc_state->stream) == DC_OK) return 0; return ret; } static bool dm_crtc_helper_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { return true; } static const struct drm_crtc_helper_funcs amdgpu_dm_crtc_helper_funcs = { .disable = dm_crtc_helper_disable, .atomic_check = dm_crtc_helper_atomic_check, .mode_fixup = dm_crtc_helper_mode_fixup }; static void dm_encoder_helper_disable(struct drm_encoder *encoder) { } static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { return 0; } const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = { .disable = dm_encoder_helper_disable, .atomic_check = dm_encoder_helper_atomic_check }; static void dm_drm_plane_reset(struct drm_plane *plane) { struct dm_plane_state *amdgpu_state = NULL; if (plane->state) plane->funcs->atomic_destroy_state(plane, plane->state); amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL); WARN_ON(amdgpu_state == NULL); if (amdgpu_state) { plane->state = &amdgpu_state->base; plane->state->plane = plane; plane->state->rotation = DRM_MODE_ROTATE_0; } } static struct drm_plane_state * dm_drm_plane_duplicate_state(struct drm_plane *plane) { struct dm_plane_state *dm_plane_state, *old_dm_plane_state; old_dm_plane_state = to_dm_plane_state(plane->state); dm_plane_state = kzalloc(sizeof(*dm_plane_state), GFP_KERNEL); if (!dm_plane_state) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, &dm_plane_state->base); if (old_dm_plane_state->dc_state) { dm_plane_state->dc_state = old_dm_plane_state->dc_state; dc_plane_state_retain(dm_plane_state->dc_state); } return &dm_plane_state->base; } void dm_drm_plane_destroy_state(struct drm_plane *plane, struct drm_plane_state *state) { struct dm_plane_state *dm_plane_state = to_dm_plane_state(state); if (dm_plane_state->dc_state) dc_plane_state_release(dm_plane_state->dc_state); drm_atomic_helper_plane_destroy_state(plane, state); } static const struct drm_plane_funcs dm_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = drm_primary_helper_destroy, .reset = dm_drm_plane_reset, .atomic_duplicate_state = dm_drm_plane_duplicate_state, .atomic_destroy_state = dm_drm_plane_destroy_state, }; static int dm_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { struct amdgpu_framebuffer *afb; struct drm_gem_object *obj; struct amdgpu_device *adev; struct amdgpu_bo *rbo; uint64_t chroma_addr = 0; struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old; unsigned int awidth; uint32_t domain; int r; dm_plane_state_old = to_dm_plane_state(plane->state); dm_plane_state_new = to_dm_plane_state(new_state); if (!new_state->fb) { DRM_DEBUG_DRIVER("No FB bound\n"); return 0; } afb = to_amdgpu_framebuffer(new_state->fb); obj = new_state->fb->obj[0]; rbo = gem_to_amdgpu_bo(obj); adev = amdgpu_ttm_adev(rbo->tbo.bdev); r = amdgpu_bo_reserve(rbo, false); if (unlikely(r != 0)) return r; if (plane->type != DRM_PLANE_TYPE_CURSOR) domain = amdgpu_display_supported_domains(adev); else domain = AMDGPU_GEM_DOMAIN_VRAM; r = amdgpu_bo_pin(rbo, domain); if (unlikely(r != 0)) { if (r != -ERESTARTSYS) DRM_ERROR("Failed to pin framebuffer with error %d\n", r); amdgpu_bo_unreserve(rbo); return r; } r = amdgpu_ttm_alloc_gart(&rbo->tbo); if (unlikely(r != 0)) { amdgpu_bo_unpin(rbo); amdgpu_bo_unreserve(rbo); DRM_ERROR("%p bind failed\n", rbo); return r; } amdgpu_bo_unreserve(rbo); afb->address = amdgpu_bo_gpu_offset(rbo); amdgpu_bo_ref(rbo); if (dm_plane_state_new->dc_state && dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) { struct dc_plane_state *plane_state = dm_plane_state_new->dc_state; if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) { plane_state->address.grph.addr.low_part = lower_32_bits(afb->address); plane_state->address.grph.addr.high_part = upper_32_bits(afb->address); } else { awidth = ALIGN(new_state->fb->width, 64); plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE; plane_state->address.video_progressive.luma_addr.low_part = lower_32_bits(afb->address); plane_state->address.video_progressive.luma_addr.high_part = upper_32_bits(afb->address); chroma_addr = afb->address + (u64)awidth * new_state->fb->height; plane_state->address.video_progressive.chroma_addr.low_part = lower_32_bits(chroma_addr); plane_state->address.video_progressive.chroma_addr.high_part = upper_32_bits(chroma_addr); } } return 0; } static void dm_plane_helper_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { struct amdgpu_bo *rbo; int r; if (!old_state->fb) return; rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]); r = amdgpu_bo_reserve(rbo, false); if (unlikely(r)) { DRM_ERROR("failed to reserve rbo before unpin\n"); return; } amdgpu_bo_unpin(rbo); amdgpu_bo_unreserve(rbo); amdgpu_bo_unref(&rbo); } static int dm_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { struct amdgpu_device *adev = plane->dev->dev_private; struct dc *dc = adev->dm.dc; struct dm_plane_state *dm_plane_state = to_dm_plane_state(state); if (!dm_plane_state->dc_state) return 0; if (!fill_rects_from_plane_state(state, dm_plane_state->dc_state)) return -EINVAL; if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK) return 0; return -EINVAL; } static int dm_plane_atomic_async_check(struct drm_plane *plane, struct drm_plane_state *new_plane_state) { struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(new_plane_state->state, plane); /* Only support async updates on cursor planes. */ if (plane->type != DRM_PLANE_TYPE_CURSOR) return -EINVAL; /* * DRM calls prepare_fb and cleanup_fb on new_plane_state for * async commits so don't allow fb changes. */ if (old_plane_state->fb != new_plane_state->fb) return -EINVAL; return 0; } static void dm_plane_atomic_async_update(struct drm_plane *plane, struct drm_plane_state *new_state) { struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(new_state->state, plane); if (plane->state->fb != new_state->fb) drm_atomic_set_fb_for_plane(plane->state, new_state->fb); plane->state->src_x = new_state->src_x; plane->state->src_y = new_state->src_y; plane->state->src_w = new_state->src_w; plane->state->src_h = new_state->src_h; plane->state->crtc_x = new_state->crtc_x; plane->state->crtc_y = new_state->crtc_y; plane->state->crtc_w = new_state->crtc_w; plane->state->crtc_h = new_state->crtc_h; handle_cursor_update(plane, old_state); } static const struct drm_plane_helper_funcs dm_plane_helper_funcs = { .prepare_fb = dm_plane_helper_prepare_fb, .cleanup_fb = dm_plane_helper_cleanup_fb, .atomic_check = dm_plane_atomic_check, .atomic_async_check = dm_plane_atomic_async_check, .atomic_async_update = dm_plane_atomic_async_update }; /* * TODO: these are currently initialized to rgb formats only. * For future use cases we should either initialize them dynamically based on * plane capabilities, or initialize this array to all formats, so internal drm * check will succeed, and let DC implement proper check */ static const uint32_t rgb_formats[] = { DRM_FORMAT_RGB888, DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_RGBA8888, DRM_FORMAT_XRGB2101010, DRM_FORMAT_XBGR2101010, DRM_FORMAT_ARGB2101010, DRM_FORMAT_ABGR2101010, DRM_FORMAT_XBGR8888, DRM_FORMAT_ABGR8888, }; static const uint32_t yuv_formats[] = { DRM_FORMAT_NV12, DRM_FORMAT_NV21, }; static const u32 cursor_formats[] = { DRM_FORMAT_ARGB8888 }; static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, struct drm_plane *plane, unsigned long possible_crtcs) { int res = -EPERM; switch (plane->type) { case DRM_PLANE_TYPE_PRIMARY: res = drm_universal_plane_init( dm->adev->ddev, plane, possible_crtcs, &dm_plane_funcs, rgb_formats, ARRAY_SIZE(rgb_formats), NULL, plane->type, NULL); break; case DRM_PLANE_TYPE_OVERLAY: res = drm_universal_plane_init( dm->adev->ddev, plane, possible_crtcs, &dm_plane_funcs, yuv_formats, ARRAY_SIZE(yuv_formats), NULL, plane->type, NULL); break; case DRM_PLANE_TYPE_CURSOR: res = drm_universal_plane_init( dm->adev->ddev, plane, possible_crtcs, &dm_plane_funcs, cursor_formats, ARRAY_SIZE(cursor_formats), NULL, plane->type, NULL); break; } drm_plane_helper_add(plane, &dm_plane_helper_funcs); /* Create (reset) the plane state */ if (plane->funcs->reset) plane->funcs->reset(plane); return res; } static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm, struct drm_plane *plane, uint32_t crtc_index) { struct amdgpu_crtc *acrtc = NULL; struct drm_plane *cursor_plane; int res = -ENOMEM; cursor_plane = kzalloc(sizeof(*cursor_plane), GFP_KERNEL); if (!cursor_plane) goto fail; cursor_plane->type = DRM_PLANE_TYPE_CURSOR; res = amdgpu_dm_plane_init(dm, cursor_plane, 0); acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL); if (!acrtc) goto fail; res = drm_crtc_init_with_planes( dm->ddev, &acrtc->base, plane, cursor_plane, &amdgpu_dm_crtc_funcs, NULL); if (res) goto fail; drm_crtc_helper_add(&acrtc->base, &amdgpu_dm_crtc_helper_funcs); /* Create (reset) the plane state */ if (acrtc->base.funcs->reset) acrtc->base.funcs->reset(&acrtc->base); acrtc->max_cursor_width = dm->adev->dm.dc->caps.max_cursor_size; acrtc->max_cursor_height = dm->adev->dm.dc->caps.max_cursor_size; acrtc->crtc_id = crtc_index; acrtc->base.enabled = false; acrtc->otg_inst = -1; dm->adev->mode_info.crtcs[crtc_index] = acrtc; drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES, true, MAX_COLOR_LUT_ENTRIES); drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES); return 0; fail: kfree(acrtc); kfree(cursor_plane); return res; } static int to_drm_connector_type(enum signal_type st) { switch (st) { case SIGNAL_TYPE_HDMI_TYPE_A: return DRM_MODE_CONNECTOR_HDMIA; case SIGNAL_TYPE_EDP: return DRM_MODE_CONNECTOR_eDP; case SIGNAL_TYPE_LVDS: return DRM_MODE_CONNECTOR_LVDS; case SIGNAL_TYPE_RGB: return DRM_MODE_CONNECTOR_VGA; case SIGNAL_TYPE_DISPLAY_PORT: case SIGNAL_TYPE_DISPLAY_PORT_MST: return DRM_MODE_CONNECTOR_DisplayPort; case SIGNAL_TYPE_DVI_DUAL_LINK: case SIGNAL_TYPE_DVI_SINGLE_LINK: return DRM_MODE_CONNECTOR_DVID; case SIGNAL_TYPE_VIRTUAL: return DRM_MODE_CONNECTOR_VIRTUAL; default: return DRM_MODE_CONNECTOR_Unknown; } } static struct drm_encoder *amdgpu_dm_connector_to_encoder(struct drm_connector *connector) { return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]); } static void amdgpu_dm_get_native_mode(struct drm_connector *connector) { struct drm_encoder *encoder; struct amdgpu_encoder *amdgpu_encoder; encoder = amdgpu_dm_connector_to_encoder(connector); if (encoder == NULL) return; amdgpu_encoder = to_amdgpu_encoder(encoder); amdgpu_encoder->native_mode.clock = 0; if (!list_empty(&connector->probed_modes)) { struct drm_display_mode *preferred_mode = NULL; list_for_each_entry(preferred_mode, &connector->probed_modes, head) { if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) amdgpu_encoder->native_mode = *preferred_mode; break; } } } static struct drm_display_mode * amdgpu_dm_create_common_mode(struct drm_encoder *encoder, char *name, int hdisplay, int vdisplay) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *mode = NULL; struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; mode = drm_mode_duplicate(dev, native_mode); if (mode == NULL) return NULL; mode->hdisplay = hdisplay; mode->vdisplay = vdisplay; mode->type &= ~DRM_MODE_TYPE_PREFERRED; strscpy(mode->name, name, DRM_DISPLAY_MODE_LEN); return mode; } static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *mode = NULL; struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); int i; int n; struct mode_size { char name[DRM_DISPLAY_MODE_LEN]; int w; int h; } common_modes[] = { { "640x480", 640, 480}, { "800x600", 800, 600}, { "1024x768", 1024, 768}, { "1280x720", 1280, 720}, { "1280x800", 1280, 800}, {"1280x1024", 1280, 1024}, { "1440x900", 1440, 900}, {"1680x1050", 1680, 1050}, {"1600x1200", 1600, 1200}, {"1920x1080", 1920, 1080}, {"1920x1200", 1920, 1200} }; n = ARRAY_SIZE(common_modes); for (i = 0; i < n; i++) { struct drm_display_mode *curmode = NULL; bool mode_existed = false; if (common_modes[i].w > native_mode->hdisplay || common_modes[i].h > native_mode->vdisplay || (common_modes[i].w == native_mode->hdisplay && common_modes[i].h == native_mode->vdisplay)) continue; list_for_each_entry(curmode, &connector->probed_modes, head) { if (common_modes[i].w == curmode->hdisplay && common_modes[i].h == curmode->vdisplay) { mode_existed = true; break; } } if (mode_existed) continue; mode = amdgpu_dm_create_common_mode(encoder, common_modes[i].name, common_modes[i].w, common_modes[i].h); drm_mode_probed_add(connector, mode); amdgpu_dm_connector->num_modes++; } } static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, struct edid *edid) { struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); if (edid) { /* empty probed_modes */ INIT_LIST_HEAD(&connector->probed_modes); amdgpu_dm_connector->num_modes = drm_add_edid_modes(connector, edid); amdgpu_dm_get_native_mode(connector); } else { amdgpu_dm_connector->num_modes = 0; } } static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) { struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); struct drm_encoder *encoder; struct edid *edid = amdgpu_dm_connector->edid; encoder = amdgpu_dm_connector_to_encoder(connector); if (!edid || !drm_edid_is_valid(edid)) { amdgpu_dm_connector->num_modes = drm_add_modes_noedid(connector, 640, 480); } else { amdgpu_dm_connector_ddc_get_modes(connector, edid); amdgpu_dm_connector_add_common_modes(encoder, connector); } amdgpu_dm_fbc_init(connector); return amdgpu_dm_connector->num_modes; } void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, struct amdgpu_dm_connector *aconnector, int connector_type, struct dc_link *link, int link_index) { struct amdgpu_device *adev = dm->ddev->dev_private; aconnector->connector_id = link_index; aconnector->dc_link = link; aconnector->base.interlace_allowed = false; aconnector->base.doublescan_allowed = false; aconnector->base.stereo_allowed = false; aconnector->base.dpms = DRM_MODE_DPMS_OFF; aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */ mutex_init(&aconnector->hpd_lock); /* * configure support HPD hot plug connector_>polled default value is 0 * which means HPD hot plug not supported */ switch (connector_type) { case DRM_MODE_CONNECTOR_HDMIA: aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; aconnector->base.ycbcr_420_allowed = link->link_enc->features.hdmi_ycbcr420_supported ? true : false; break; case DRM_MODE_CONNECTOR_DisplayPort: aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; aconnector->base.ycbcr_420_allowed = link->link_enc->features.dp_ycbcr420_supported ? true : false; break; case DRM_MODE_CONNECTOR_DVID: aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; break; default: break; } drm_object_attach_property(&aconnector->base.base, dm->ddev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); drm_object_attach_property(&aconnector->base.base, adev->mode_info.underscan_property, UNDERSCAN_OFF); drm_object_attach_property(&aconnector->base.base, adev->mode_info.underscan_hborder_property, 0); drm_object_attach_property(&aconnector->base.base, adev->mode_info.underscan_vborder_property, 0); drm_object_attach_property(&aconnector->base.base, adev->mode_info.max_bpc_property, 0); if (connector_type == DRM_MODE_CONNECTOR_eDP && dc_is_dmcu_initialized(adev->dm.dc)) { drm_object_attach_property(&aconnector->base.base, adev->mode_info.abm_level_property, 0); } if (connector_type == DRM_MODE_CONNECTOR_HDMIA || connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector_type == DRM_MODE_CONNECTOR_eDP) { drm_connector_attach_vrr_capable_property( &aconnector->base); } } static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) { struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap); struct ddc_service *ddc_service = i2c->ddc_service; struct i2c_command cmd; int i; int result = -EIO; cmd.payloads = kcalloc(num, sizeof(struct i2c_payload), GFP_KERNEL); if (!cmd.payloads) return result; cmd.number_of_payloads = num; cmd.engine = I2C_COMMAND_ENGINE_DEFAULT; cmd.speed = 100; for (i = 0; i < num; i++) { cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD); cmd.payloads[i].address = msgs[i].addr; cmd.payloads[i].length = msgs[i].len; cmd.payloads[i].data = msgs[i].buf; } if (dc_submit_i2c( ddc_service->ctx->dc, ddc_service->ddc_pin->hw_info.ddc_channel, &cmd)) result = num; kfree(cmd.payloads); return result; } static u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; } static const struct i2c_algorithm amdgpu_dm_i2c_algo = { .master_xfer = amdgpu_dm_i2c_xfer, .functionality = amdgpu_dm_i2c_func, }; static struct amdgpu_i2c_adapter * create_i2c(struct ddc_service *ddc_service, int link_index, int *res) { struct amdgpu_device *adev = ddc_service->ctx->driver_context; struct amdgpu_i2c_adapter *i2c; i2c = kzalloc(sizeof(struct amdgpu_i2c_adapter), GFP_KERNEL); if (!i2c) return NULL; i2c->base.owner = THIS_MODULE; i2c->base.class = I2C_CLASS_DDC; i2c->base.dev.parent = &adev->pdev->dev; i2c->base.algo = &amdgpu_dm_i2c_algo; snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index); i2c_set_adapdata(&i2c->base, i2c); i2c->ddc_service = ddc_service; i2c->ddc_service->ddc_pin->hw_info.ddc_channel = link_index; return i2c; } /* * Note: this function assumes that dc_link_detect() was called for the * dc_link which will be represented by this aconnector. */ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, struct amdgpu_dm_connector *aconnector, uint32_t link_index, struct amdgpu_encoder *aencoder) { int res = 0; int connector_type; struct dc *dc = dm->dc; struct dc_link *link = dc_get_link_at_index(dc, link_index); struct amdgpu_i2c_adapter *i2c; link->priv = aconnector; DRM_DEBUG_DRIVER("%s()\n", __func__); i2c = create_i2c(link->ddc, link->link_index, &res); if (!i2c) { DRM_ERROR("Failed to create i2c adapter data\n"); return -ENOMEM; } aconnector->i2c = i2c; res = i2c_add_adapter(&i2c->base); if (res) { DRM_ERROR("Failed to register hw i2c %d\n", link->link_index); goto out_free; } connector_type = to_drm_connector_type(link->connector_signal); res = drm_connector_init( dm->ddev, &aconnector->base, &amdgpu_dm_connector_funcs, connector_type); if (res) { DRM_ERROR("connector_init failed\n"); aconnector->connector_id = -1; goto out_free; } drm_connector_helper_add( &aconnector->base, &amdgpu_dm_connector_helper_funcs); if (aconnector->base.funcs->reset) aconnector->base.funcs->reset(&aconnector->base); amdgpu_dm_connector_init_helper( dm, aconnector, connector_type, link, link_index); drm_connector_attach_encoder( &aconnector->base, &aencoder->base); drm_connector_register(&aconnector->base); #if defined(CONFIG_DEBUG_FS) res = connector_debugfs_init(aconnector); if (res) { DRM_ERROR("Failed to create debugfs for connector"); goto out_free; } #endif if (connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector_type == DRM_MODE_CONNECTOR_eDP) amdgpu_dm_initialize_dp_connector(dm, aconnector); out_free: if (res) { kfree(i2c); aconnector->i2c = NULL; } return res; } int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev) { switch (adev->mode_info.num_crtc) { case 1: return 0x1; case 2: return 0x3; case 3: return 0x7; case 4: return 0xf; case 5: return 0x1f; case 6: default: return 0x3f; } } static int amdgpu_dm_encoder_init(struct drm_device *dev, struct amdgpu_encoder *aencoder, uint32_t link_index) { struct amdgpu_device *adev = dev->dev_private; int res = drm_encoder_init(dev, &aencoder->base, &amdgpu_dm_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev); if (!res) aencoder->encoder_id = link_index; else aencoder->encoder_id = -1; drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs); return res; } static void manage_dm_interrupts(struct amdgpu_device *adev, struct amdgpu_crtc *acrtc, bool enable) { /* * this is not correct translation but will work as soon as VBLANK * constant is the same as PFLIP */ int irq_type = amdgpu_display_crtc_idx_to_irq_type( adev, acrtc->crtc_id); if (enable) { drm_crtc_vblank_on(&acrtc->base); amdgpu_irq_get( adev, &adev->pageflip_irq, irq_type); } else { amdgpu_irq_put( adev, &adev->pageflip_irq, irq_type); drm_crtc_vblank_off(&acrtc->base); } } static bool is_scaling_state_different(const struct dm_connector_state *dm_state, const struct dm_connector_state *old_dm_state) { if (dm_state->scaling != old_dm_state->scaling) return true; if (!dm_state->underscan_enable && old_dm_state->underscan_enable) { if (old_dm_state->underscan_hborder != 0 && old_dm_state->underscan_vborder != 0) return true; } else if (dm_state->underscan_enable && !old_dm_state->underscan_enable) { if (dm_state->underscan_hborder != 0 && dm_state->underscan_vborder != 0) return true; } else if (dm_state->underscan_hborder != old_dm_state->underscan_hborder || dm_state->underscan_vborder != old_dm_state->underscan_vborder) return true; return false; } static void remove_stream(struct amdgpu_device *adev, struct amdgpu_crtc *acrtc, struct dc_stream_state *stream) { /* this is the update mode case */ acrtc->otg_inst = -1; acrtc->enabled = false; } static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc, struct dc_cursor_position *position) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); int x, y; int xorigin = 0, yorigin = 0; if (!crtc || !plane->state->fb) { position->enable = false; position->x = 0; position->y = 0; return 0; } if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) || (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) { DRM_ERROR("%s: bad cursor width or height %d x %d\n", __func__, plane->state->crtc_w, plane->state->crtc_h); return -EINVAL; } x = plane->state->crtc_x; y = plane->state->crtc_y; /* avivo cursor are offset into the total surface */ x += crtc->primary->state->src_x >> 16; y += crtc->primary->state->src_y >> 16; if (x < 0) { xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); x = 0; } if (y < 0) { yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); y = 0; } position->enable = true; position->x = x; position->y = y; position->x_hotspot = xorigin; position->y_hotspot = yorigin; return 0; } static void handle_cursor_update(struct drm_plane *plane, struct drm_plane_state *old_plane_state) { struct amdgpu_device *adev = plane->dev->dev_private; struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(plane->state->fb); struct drm_crtc *crtc = afb ? plane->state->crtc : old_plane_state->crtc; struct dm_crtc_state *crtc_state = crtc ? to_dm_crtc_state(crtc->state) : NULL; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); uint64_t address = afb ? afb->address : 0; struct dc_cursor_position position; struct dc_cursor_attributes attributes; int ret; if (!plane->state->fb && !old_plane_state->fb) return; DRM_DEBUG_DRIVER("%s: crtc_id=%d with size %d to %d\n", __func__, amdgpu_crtc->crtc_id, plane->state->crtc_w, plane->state->crtc_h); ret = get_cursor_position(plane, crtc, &position); if (ret) return; if (!position.enable) { /* turn off cursor */ if (crtc_state && crtc_state->stream) { mutex_lock(&adev->dm.dc_lock); dc_stream_set_cursor_position(crtc_state->stream, &position); mutex_unlock(&adev->dm.dc_lock); } return; } amdgpu_crtc->cursor_width = plane->state->crtc_w; amdgpu_crtc->cursor_height = plane->state->crtc_h; attributes.address.high_part = upper_32_bits(address); attributes.address.low_part = lower_32_bits(address); attributes.width = plane->state->crtc_w; attributes.height = plane->state->crtc_h; attributes.color_format = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA; attributes.rotation_angle = 0; attributes.attribute_flags.value = 0; attributes.pitch = attributes.width; if (crtc_state->stream) { mutex_lock(&adev->dm.dc_lock); if (!dc_stream_set_cursor_attributes(crtc_state->stream, &attributes)) DRM_ERROR("DC failed to set cursor attributes\n"); if (!dc_stream_set_cursor_position(crtc_state->stream, &position)) DRM_ERROR("DC failed to set cursor position\n"); mutex_unlock(&adev->dm.dc_lock); } } static void prepare_flip_isr(struct amdgpu_crtc *acrtc) { assert_spin_locked(&acrtc->base.dev->event_lock); WARN_ON(acrtc->event); acrtc->event = acrtc->base.state->event; /* Set the flip status */ acrtc->pflip_status = AMDGPU_FLIP_SUBMITTED; /* Mark this event as consumed */ acrtc->base.state->event = NULL; DRM_DEBUG_DRIVER("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n", acrtc->crtc_id); } struct dc_stream_status *dc_state_get_stream_status( struct dc_state *state, struct dc_stream_state *stream) { uint8_t i; for (i = 0; i < state->stream_count; i++) { if (stream == state->streams[i]) return &state->stream_status[i]; } return NULL; } static void update_freesync_state_on_stream( struct amdgpu_display_manager *dm, struct dm_crtc_state *new_crtc_state, struct dc_stream_state *new_stream, struct dc_plane_state *surface, u32 flip_timestamp_in_us) { struct mod_vrr_params vrr_params = new_crtc_state->vrr_params; struct dc_info_packet vrr_infopacket = {0}; struct mod_freesync_config config = new_crtc_state->freesync_config; if (!new_stream) return; /* * TODO: Determine why min/max totals and vrefresh can be 0 here. * For now it's sufficient to just guard against these conditions. */ if (!new_stream->timing.h_total || !new_stream->timing.v_total) return; if (new_crtc_state->vrr_supported && config.min_refresh_in_uhz && config.max_refresh_in_uhz) { config.state = new_crtc_state->base.vrr_enabled ? VRR_STATE_ACTIVE_VARIABLE : VRR_STATE_INACTIVE; } else { config.state = VRR_STATE_UNSUPPORTED; } mod_freesync_build_vrr_params(dm->freesync_module, new_stream, &config, &vrr_params); if (surface) { mod_freesync_handle_preflip( dm->freesync_module, surface, new_stream, flip_timestamp_in_us, &vrr_params); } mod_freesync_build_vrr_infopacket( dm->freesync_module, new_stream, &vrr_params, PACKET_TYPE_VRR, TRANSFER_FUNC_UNKNOWN, &vrr_infopacket); new_crtc_state->freesync_timing_changed = (memcmp(&new_crtc_state->vrr_params.adjust, &vrr_params.adjust, sizeof(vrr_params.adjust)) != 0); new_crtc_state->freesync_vrr_info_changed = (memcmp(&new_crtc_state->vrr_infopacket, &vrr_infopacket, sizeof(vrr_infopacket)) != 0); new_crtc_state->vrr_params = vrr_params; new_crtc_state->vrr_infopacket = vrr_infopacket; new_stream->adjust = new_crtc_state->vrr_params.adjust; new_stream->vrr_infopacket = vrr_infopacket; if (new_crtc_state->freesync_vrr_info_changed) DRM_DEBUG_KMS("VRR packet update: crtc=%u enabled=%d state=%d", new_crtc_state->base.crtc->base.id, (int)new_crtc_state->base.vrr_enabled, (int)vrr_params.state); if (new_crtc_state->freesync_timing_changed) DRM_DEBUG_KMS("VRR timing update: crtc=%u min=%u max=%u\n", new_crtc_state->base.crtc->base.id, vrr_params.adjust.v_total_min, vrr_params.adjust.v_total_max); } /* * Executes flip * * Waits on all BO's fences and for proper vblank count */ static void amdgpu_dm_do_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, uint32_t target, struct dc_state *state) { unsigned long flags; uint64_t timestamp_ns; uint32_t target_vblank; int r, vpos, hpos; struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb); struct amdgpu_bo *abo = gem_to_amdgpu_bo(fb->obj[0]); struct amdgpu_device *adev = crtc->dev->dev_private; bool async_flip = (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; struct dc_flip_addrs addr = { {0} }; /* TODO eliminate or rename surface_update */ struct dc_surface_update surface_updates[1] = { {0} }; struct dc_stream_update stream_update = {0}; struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state); struct dc_stream_status *stream_status; struct dc_plane_state *surface; /* Prepare wait for target vblank early - before the fence-waits */ target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) + amdgpu_get_vblank_counter_kms(crtc->dev, acrtc->crtc_id); /* * TODO This might fail and hence better not used, wait * explicitly on fences instead * and in general should be called for * blocking commit to as per framework helpers */ r = amdgpu_bo_reserve(abo, true); if (unlikely(r != 0)) { DRM_ERROR("failed to reserve buffer before flip\n"); WARN_ON(1); } /* Wait for all fences on this FB */ WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true, false, MAX_SCHEDULE_TIMEOUT) < 0); amdgpu_bo_unreserve(abo); /* * Wait until we're out of the vertical blank period before the one * targeted by the flip */ while ((acrtc->enabled && (amdgpu_display_get_crtc_scanoutpos(adev->ddev, acrtc->crtc_id, 0, &vpos, &hpos, NULL, NULL, &crtc->hwmode) & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && (int)(target_vblank - amdgpu_get_vblank_counter_kms(adev->ddev, acrtc->crtc_id)) > 0)) { usleep_range(1000, 1100); } /* Flip */ spin_lock_irqsave(&crtc->dev->event_lock, flags); WARN_ON(acrtc->pflip_status != AMDGPU_FLIP_NONE); WARN_ON(!acrtc_state->stream); addr.address.grph.addr.low_part = lower_32_bits(afb->address); addr.address.grph.addr.high_part = upper_32_bits(afb->address); addr.flip_immediate = async_flip; timestamp_ns = ktime_get_ns(); addr.flip_timestamp_in_us = div_u64(timestamp_ns, 1000); if (acrtc->base.state->event) prepare_flip_isr(acrtc); spin_unlock_irqrestore(&crtc->dev->event_lock, flags); stream_status = dc_stream_get_status(acrtc_state->stream); if (!stream_status) { DRM_ERROR("No stream status for CRTC: id=%d\n", acrtc->crtc_id); return; } surface = stream_status->plane_states[0]; surface_updates->surface = surface; if (!surface) { DRM_ERROR("No surface for CRTC: id=%d\n", acrtc->crtc_id); return; } surface_updates->flip_addr = &addr; if (acrtc_state->stream) { update_freesync_state_on_stream( &adev->dm, acrtc_state, acrtc_state->stream, surface, addr.flip_timestamp_in_us); if (acrtc_state->freesync_timing_changed) stream_update.adjust = &acrtc_state->stream->adjust; if (acrtc_state->freesync_vrr_info_changed) stream_update.vrr_infopacket = &acrtc_state->stream->vrr_infopacket; } /* Update surface timing information. */ surface->time.time_elapsed_in_us[surface->time.index] = addr.flip_timestamp_in_us - surface->time.prev_update_time_in_us; surface->time.prev_update_time_in_us = addr.flip_timestamp_in_us; surface->time.index++; if (surface->time.index >= DC_PLANE_UPDATE_TIMES_MAX) surface->time.index = 0; mutex_lock(&adev->dm.dc_lock); dc_commit_updates_for_stream(adev->dm.dc, surface_updates, 1, acrtc_state->stream, &stream_update, &surface_updates->surface, state); mutex_unlock(&adev->dm.dc_lock); DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x \n", __func__, addr.address.grph.addr.high_part, addr.address.grph.addr.low_part); } /* * TODO this whole function needs to go * * dc_surface_update is needlessly complex. See if we can just replace this * with a dc_plane_state and follow the atomic model a bit more closely here. */ static bool commit_planes_to_stream( struct amdgpu_display_manager *dm, struct dc *dc, struct dc_plane_state **plane_states, uint8_t new_plane_count, struct dm_crtc_state *dm_new_crtc_state, struct dm_crtc_state *dm_old_crtc_state, struct dc_state *state) { /* no need to dynamically allocate this. it's pretty small */ struct dc_surface_update updates[MAX_SURFACES]; struct dc_flip_addrs *flip_addr; struct dc_plane_info *plane_info; struct dc_scaling_info *scaling_info; int i; struct dc_stream_state *dc_stream = dm_new_crtc_state->stream; struct dc_stream_update *stream_update = kzalloc(sizeof(struct dc_stream_update), GFP_KERNEL); unsigned int abm_level; if (!stream_update) { BREAK_TO_DEBUGGER(); return false; } flip_addr = kcalloc(MAX_SURFACES, sizeof(struct dc_flip_addrs), GFP_KERNEL); plane_info = kcalloc(MAX_SURFACES, sizeof(struct dc_plane_info), GFP_KERNEL); scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info), GFP_KERNEL); if (!flip_addr || !plane_info || !scaling_info) { kfree(flip_addr); kfree(plane_info); kfree(scaling_info); kfree(stream_update); return false; } memset(updates, 0, sizeof(updates)); stream_update->src = dc_stream->src; stream_update->dst = dc_stream->dst; stream_update->out_transfer_func = dc_stream->out_transfer_func; if (dm_new_crtc_state->abm_level != dm_old_crtc_state->abm_level) { abm_level = dm_new_crtc_state->abm_level; stream_update->abm_level = &abm_level; } for (i = 0; i < new_plane_count; i++) { updates[i].surface = plane_states[i]; updates[i].gamma = (struct dc_gamma *)plane_states[i]->gamma_correction; updates[i].in_transfer_func = plane_states[i]->in_transfer_func; flip_addr[i].address = plane_states[i]->address; flip_addr[i].flip_immediate = plane_states[i]->flip_immediate; plane_info[i].color_space = plane_states[i]->color_space; plane_info[i].format = plane_states[i]->format; plane_info[i].plane_size = plane_states[i]->plane_size; plane_info[i].rotation = plane_states[i]->rotation; plane_info[i].horizontal_mirror = plane_states[i]->horizontal_mirror; plane_info[i].stereo_format = plane_states[i]->stereo_format; plane_info[i].tiling_info = plane_states[i]->tiling_info; plane_info[i].visible = plane_states[i]->visible; plane_info[i].per_pixel_alpha = plane_states[i]->per_pixel_alpha; plane_info[i].dcc = plane_states[i]->dcc; scaling_info[i].scaling_quality = plane_states[i]->scaling_quality; scaling_info[i].src_rect = plane_states[i]->src_rect; scaling_info[i].dst_rect = plane_states[i]->dst_rect; scaling_info[i].clip_rect = plane_states[i]->clip_rect; updates[i].flip_addr = &flip_addr[i]; updates[i].plane_info = &plane_info[i]; updates[i].scaling_info = &scaling_info[i]; } mutex_lock(&dm->dc_lock); dc_commit_updates_for_stream( dc, updates, new_plane_count, dc_stream, stream_update, plane_states, state); mutex_unlock(&dm->dc_lock); kfree(flip_addr); kfree(plane_info); kfree(scaling_info); kfree(stream_update); return true; } static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, struct dc_state *dc_state, struct drm_device *dev, struct amdgpu_display_manager *dm, struct drm_crtc *pcrtc, bool *wait_for_vblank) { uint32_t i; struct drm_plane *plane; struct drm_plane_state *old_plane_state, *new_plane_state; struct dc_stream_state *dc_stream_attach; struct dc_plane_state *plane_states_constructed[MAX_SURFACES]; struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc); struct drm_crtc_state *new_pcrtc_state = drm_atomic_get_new_crtc_state(state, pcrtc); struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state); struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc)); int planes_count = 0; unsigned long flags; u64 last_flip_vblank; bool vrr_active = acrtc_state->freesync_config.state == VRR_STATE_ACTIVE_VARIABLE; /* update planes when needed */ for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { struct drm_crtc *crtc = new_plane_state->crtc; struct drm_crtc_state *new_crtc_state; struct drm_framebuffer *fb = new_plane_state->fb; bool pflip_needed; struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state); if (plane->type == DRM_PLANE_TYPE_CURSOR) { handle_cursor_update(plane, old_plane_state); continue; } if (!fb || !crtc || pcrtc != crtc) continue; new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); if (!new_crtc_state->active) continue; pflip_needed = !state->allow_modeset; spin_lock_irqsave(&crtc->dev->event_lock, flags); if (acrtc_attach->pflip_status != AMDGPU_FLIP_NONE) { DRM_ERROR("%s: acrtc %d, already busy\n", __func__, acrtc_attach->crtc_id); /* In commit tail framework this cannot happen */ WARN_ON(1); } /* For variable refresh rate mode only: * Get vblank of last completed flip to avoid > 1 vrr flips per * video frame by use of throttling, but allow flip programming * anywhere in the possibly large variable vrr vblank interval * for fine-grained flip timing control and more opportunity to * avoid stutter on late submission of amdgpu_dm_do_flip() calls. */ last_flip_vblank = acrtc_attach->last_flip_vblank; spin_unlock_irqrestore(&crtc->dev->event_lock, flags); if (!pflip_needed || plane->type == DRM_PLANE_TYPE_OVERLAY) { WARN_ON(!dm_new_plane_state->dc_state); plane_states_constructed[planes_count] = dm_new_plane_state->dc_state; dc_stream_attach = acrtc_state->stream; planes_count++; } else if (new_crtc_state->planes_changed) { /* Assume even ONE crtc with immediate flip means * entire can't wait for VBLANK * TODO Check if it's correct */ *wait_for_vblank = new_pcrtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ? false : true; /* TODO: Needs rework for multiplane flip */ if (plane->type == DRM_PLANE_TYPE_PRIMARY) drm_crtc_vblank_get(crtc); /* Use old throttling in non-vrr fixed refresh rate mode * to keep flip scheduling based on target vblank counts * working in a backwards compatible way, e.g., clients * using GLX_OML_sync_control extension. */ if (!vrr_active) last_flip_vblank = drm_crtc_vblank_count(crtc); amdgpu_dm_do_flip( crtc, fb, (uint32_t) last_flip_vblank + *wait_for_vblank, dc_state); } } if (planes_count) { unsigned long flags; if (new_pcrtc_state->event) { drm_crtc_vblank_get(pcrtc); spin_lock_irqsave(&pcrtc->dev->event_lock, flags); prepare_flip_isr(acrtc_attach); spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); } dc_stream_attach->abm_level = acrtc_state->abm_level; if (false == commit_planes_to_stream(dm, dm->dc, plane_states_constructed, planes_count, acrtc_state, dm_old_crtc_state, dc_state)) dm_error("%s: Failed to attach plane!\n", __func__); } else { /*TODO BUG Here should go disable planes on CRTC. */ } } /* * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC * @crtc_state: the DRM CRTC state * @stream_state: the DC stream state. * * Copy the mirrored transient state flags from DRM, to DC. It is used to bring * a dc_stream_state's flags in sync with a drm_crtc_state's flags. */ static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state, struct dc_stream_state *stream_state) { stream_state->mode_changed = crtc_state->mode_changed; } static int amdgpu_dm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock) { struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state, *new_crtc_state; struct amdgpu_device *adev = dev->dev_private; int i; /* * We evade vblanks and pflips on crtc that * should be changed. We do it here to flush & disable * interrupts before drm_swap_state is called in drm_atomic_helper_commit * it will update crtc->dm_crtc_state->stream pointer which is used in * the ISRs. */ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); if (drm_atomic_crtc_needs_modeset(new_crtc_state) && dm_old_crtc_state->stream) manage_dm_interrupts(adev, acrtc, false); } /* * Add check here for SoC's that support hardware cursor plane, to * unset legacy_cursor_update */ return drm_atomic_helper_commit(dev, state, nonblock); /*TODO Handle EINTR, reenable IRQ*/ } /** * amdgpu_dm_atomic_commit_tail() - AMDgpu DM's commit tail implementation. * @state: The atomic state to commit * * This will tell DC to commit the constructed DC state from atomic_check, * programming the hardware. Any failures here implies a hardware failure, since * atomic check should have filtered anything non-kosher. */ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_display_manager *dm = &adev->dm; struct dm_atomic_state *dm_state; struct dc_state *dc_state = NULL, *dc_state_temp = NULL; uint32_t i, j; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state, *new_crtc_state; unsigned long flags; bool wait_for_vblank = true; struct drm_connector *connector; struct drm_connector_state *old_con_state, *new_con_state; struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; int crtc_disable_count = 0; drm_atomic_helper_update_legacy_modeset_state(dev, state); dm_state = dm_atomic_get_new_state(state); if (dm_state && dm_state->context) { dc_state = dm_state->context; } else { /* No state changes, retain current state. */ dc_state_temp = dc_create_state(); ASSERT(dc_state_temp); dc_state = dc_state_temp; dc_resource_state_copy_construct_current(dm->dc, dc_state); } /* update changed items */ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); DRM_DEBUG_DRIVER( "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, " "planes_changed:%d, mode_changed:%d,active_changed:%d," "connectors_changed:%d\n", acrtc->crtc_id, new_crtc_state->enable, new_crtc_state->active, new_crtc_state->planes_changed, new_crtc_state->mode_changed, new_crtc_state->active_changed, new_crtc_state->connectors_changed); /* Copy all transient state flags into dc state */ if (dm_new_crtc_state->stream) { amdgpu_dm_crtc_copy_transient_flags(&dm_new_crtc_state->base, dm_new_crtc_state->stream); } /* handles headless hotplug case, updating new_state and * aconnector as needed */ if (modeset_required(new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream)) { DRM_DEBUG_DRIVER("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc); if (!dm_new_crtc_state->stream) { /* * this could happen because of issues with * userspace notifications delivery. * In this case userspace tries to set mode on * display which is disconnected in fact. * dc_sink is NULL in this case on aconnector. * We expect reset mode will come soon. * * This can also happen when unplug is done * during resume sequence ended * * In this case, we want to pretend we still * have a sink to keep the pipe running so that * hw state is consistent with the sw state */ DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n", __func__, acrtc->base.base.id); continue; } if (dm_old_crtc_state->stream) remove_stream(adev, acrtc, dm_old_crtc_state->stream); pm_runtime_get_noresume(dev->dev); acrtc->enabled = true; acrtc->hw_mode = new_crtc_state->mode; crtc->hwmode = new_crtc_state->mode; } else if (modereset_required(new_crtc_state)) { DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc); /* i.e. reset mode */ if (dm_old_crtc_state->stream) remove_stream(adev, acrtc, dm_old_crtc_state->stream); } } /* for_each_crtc_in_state() */ if (dc_state) { dm_enable_per_frame_crtc_master_sync(dc_state); mutex_lock(&dm->dc_lock); WARN_ON(!dc_commit_state(dm->dc, dc_state)); mutex_unlock(&dm->dc_lock); } for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); if (dm_new_crtc_state->stream != NULL) { const struct dc_stream_status *status = dc_stream_get_status(dm_new_crtc_state->stream); if (!status) status = dc_state_get_stream_status(dc_state, dm_new_crtc_state->stream); if (!status) DC_ERR("got no status for stream %p on acrtc%p\n", dm_new_crtc_state->stream, acrtc); else acrtc->otg_inst = status->primary_otg_inst; } } /* Handle scaling, underscan, and abm changes*/ for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); struct dc_stream_status *status = NULL; if (acrtc) { new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base); old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base); } /* Skip any modesets/resets */ if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state)) continue; dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); /* Skip anything that is not scaling or underscan changes */ if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state) && (dm_new_crtc_state->abm_level == dm_old_crtc_state->abm_level)) continue; update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode, dm_new_con_state, (struct dc_stream_state *)dm_new_crtc_state->stream); if (!dm_new_crtc_state->stream) continue; status = dc_stream_get_status(dm_new_crtc_state->stream); WARN_ON(!status); WARN_ON(!status->plane_count); dm_new_crtc_state->stream->abm_level = dm_new_crtc_state->abm_level; /*TODO How it works with MPO ?*/ if (!commit_planes_to_stream( dm, dm->dc, status->plane_states, status->plane_count, dm_new_crtc_state, to_dm_crtc_state(old_crtc_state), dc_state)) dm_error("%s: Failed to update stream scaling!\n", __func__); } for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { /* * loop to enable interrupts on newly arrived crtc */ struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); bool modeset_needed; if (old_crtc_state->active && !new_crtc_state->active) crtc_disable_count++; dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); modeset_needed = modeset_required( new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream); if (dm_new_crtc_state->stream == NULL || !modeset_needed) continue; manage_dm_interrupts(adev, acrtc, true); } /* update planes when needed per crtc*/ for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) { dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); if (dm_new_crtc_state->stream) amdgpu_dm_commit_planes(state, dc_state, dev, dm, crtc, &wait_for_vblank); } /* * send vblank event on all events not handled in flip and * mark consumed event for drm_atomic_helper_commit_hw_done */ spin_lock_irqsave(&adev->ddev->event_lock, flags); for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { if (new_crtc_state->event) drm_send_event_locked(dev, &new_crtc_state->event->base); new_crtc_state->event = NULL; } spin_unlock_irqrestore(&adev->ddev->event_lock, flags); if (wait_for_vblank) drm_atomic_helper_wait_for_flip_done(dev, state); /* * FIXME: * Delay hw_done() until flip_done() is signaled. This is to block * another commit from freeing the CRTC state while we're still * waiting on flip_done. */ drm_atomic_helper_commit_hw_done(state); drm_atomic_helper_cleanup_planes(dev, state); /* * Finally, drop a runtime PM reference for each newly disabled CRTC, * so we can put the GPU into runtime suspend if we're not driving any * displays anymore */ for (i = 0; i < crtc_disable_count; i++) pm_runtime_put_autosuspend(dev->dev); pm_runtime_mark_last_busy(dev->dev); if (dc_state_temp) dc_release_state(dc_state_temp); } static int dm_force_atomic_commit(struct drm_connector *connector) { int ret = 0; struct drm_device *ddev = connector->dev; struct drm_atomic_state *state = drm_atomic_state_alloc(ddev); struct amdgpu_crtc *disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); struct drm_plane *plane = disconnected_acrtc->base.primary; struct drm_connector_state *conn_state; struct drm_crtc_state *crtc_state; struct drm_plane_state *plane_state; if (!state) return -ENOMEM; state->acquire_ctx = ddev->mode_config.acquire_ctx; /* Construct an atomic state to restore previous display setting */ /* * Attach connectors to drm_atomic_state */ conn_state = drm_atomic_get_connector_state(state, connector); ret = PTR_ERR_OR_ZERO(conn_state); if (ret) goto err; /* Attach crtc to drm_atomic_state*/ crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base); ret = PTR_ERR_OR_ZERO(crtc_state); if (ret) goto err; /* force a restore */ crtc_state->mode_changed = true; /* Attach plane to drm_atomic_state */ plane_state = drm_atomic_get_plane_state(state, plane); ret = PTR_ERR_OR_ZERO(plane_state); if (ret) goto err; /* Call commit internally with the state we just constructed */ ret = drm_atomic_commit(state); if (!ret) return 0; err: DRM_ERROR("Restoring old state failed with %i\n", ret); drm_atomic_state_put(state); return ret; } /* * This function handles all cases when set mode does not come upon hotplug. * This includes when a display is unplugged then plugged back into the * same port and when running without usermode desktop manager supprot */ void dm_restore_drm_connector_state(struct drm_device *dev, struct drm_connector *connector) { struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); struct amdgpu_crtc *disconnected_acrtc; struct dm_crtc_state *acrtc_state; if (!aconnector->dc_sink || !connector->state || !connector->encoder) return; disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); if (!disconnected_acrtc) return; acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state); if (!acrtc_state->stream) return; /* * If the previous sink is not released and different from the current, * we deduce we are in a state where we can not rely on usermode call * to turn on the display, so we do it here */ if (acrtc_state->stream->sink != aconnector->dc_sink) dm_force_atomic_commit(&aconnector->base); } /* * Grabs all modesetting locks to serialize against any blocking commits, * Waits for completion of all non blocking commits. */ static int do_aquire_global_lock(struct drm_device *dev, struct drm_atomic_state *state) { struct drm_crtc *crtc; struct drm_crtc_commit *commit; long ret; /* * Adding all modeset locks to aquire_ctx will * ensure that when the framework release it the * extra locks we are locking here will get released to */ ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx); if (ret) return ret; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { spin_lock(&crtc->commit_lock); commit = list_first_entry_or_null(&crtc->commit_list, struct drm_crtc_commit, commit_entry); if (commit) drm_crtc_commit_get(commit); spin_unlock(&crtc->commit_lock); if (!commit) continue; /* * Make sure all pending HW programming completed and * page flips done */ ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ); if (ret > 0) ret = wait_for_completion_interruptible_timeout( &commit->flip_done, 10*HZ); if (ret == 0) DRM_ERROR("[CRTC:%d:%s] hw_done or flip_done " "timed out\n", crtc->base.id, crtc->name); drm_crtc_commit_put(commit); } return ret < 0 ? ret : 0; } static void get_freesync_config_for_crtc( struct dm_crtc_state *new_crtc_state, struct dm_connector_state *new_con_state) { struct mod_freesync_config config = {0}; struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(new_con_state->base.connector); new_crtc_state->vrr_supported = new_con_state->freesync_capable; if (new_con_state->freesync_capable) { config.state = new_crtc_state->base.vrr_enabled ? VRR_STATE_ACTIVE_VARIABLE : VRR_STATE_INACTIVE; config.min_refresh_in_uhz = aconnector->min_vfreq * 1000000; config.max_refresh_in_uhz = aconnector->max_vfreq * 1000000; config.vsif_supported = true; config.btr = true; } new_crtc_state->freesync_config = config; } static void reset_freesync_config_for_crtc( struct dm_crtc_state *new_crtc_state) { new_crtc_state->vrr_supported = false; memset(&new_crtc_state->vrr_params, 0, sizeof(new_crtc_state->vrr_params)); memset(&new_crtc_state->vrr_infopacket, 0, sizeof(new_crtc_state->vrr_infopacket)); } static int dm_update_crtcs_state(struct amdgpu_display_manager *dm, struct drm_atomic_state *state, bool enable, bool *lock_and_validation_needed) { struct dm_atomic_state *dm_state = NULL; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state, *new_crtc_state; int i; struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; struct dc_stream_state *new_stream; int ret = 0; /* * TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set * update changed items */ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { struct amdgpu_crtc *acrtc = NULL; struct amdgpu_dm_connector *aconnector = NULL; struct drm_connector_state *drm_new_conn_state = NULL, *drm_old_conn_state = NULL; struct dm_connector_state *dm_new_conn_state = NULL, *dm_old_conn_state = NULL; struct drm_plane_state *new_plane_state = NULL; new_stream = NULL; dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); acrtc = to_amdgpu_crtc(crtc); new_plane_state = drm_atomic_get_new_plane_state(state, new_crtc_state->crtc->primary); if (new_crtc_state->enable && new_plane_state && !new_plane_state->fb) { ret = -EINVAL; goto fail; } aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc); /* TODO This hack should go away */ if (aconnector && enable) { /* Make sure fake sink is created in plug-in scenario */ drm_new_conn_state = drm_atomic_get_new_connector_state(state, &aconnector->base); drm_old_conn_state = drm_atomic_get_old_connector_state(state, &aconnector->base); if (IS_ERR(drm_new_conn_state)) { ret = PTR_ERR_OR_ZERO(drm_new_conn_state); break; } dm_new_conn_state = to_dm_connector_state(drm_new_conn_state); dm_old_conn_state = to_dm_connector_state(drm_old_conn_state); new_stream = create_stream_for_sink(aconnector, &new_crtc_state->mode, dm_new_conn_state, dm_old_crtc_state->stream); /* * we can have no stream on ACTION_SET if a display * was disconnected during S3, in this case it is not an * error, the OS will be updated after detection, and * will do the right thing on next atomic commit */ if (!new_stream) { DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n", __func__, acrtc->base.base.id); break; } dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level; if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) { new_crtc_state->mode_changed = false; DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d", new_crtc_state->mode_changed); } } if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) goto next_crtc; DRM_DEBUG_DRIVER( "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, " "planes_changed:%d, mode_changed:%d,active_changed:%d," "connectors_changed:%d\n", acrtc->crtc_id, new_crtc_state->enable, new_crtc_state->active, new_crtc_state->planes_changed, new_crtc_state->mode_changed, new_crtc_state->active_changed, new_crtc_state->connectors_changed); /* Remove stream for any changed/disabled CRTC */ if (!enable) { if (!dm_old_crtc_state->stream) goto next_crtc; ret = dm_atomic_get_state(state, &dm_state); if (ret) goto fail; DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n", crtc->base.id); /* i.e. reset mode */ if (dc_remove_stream_from_ctx( dm->dc, dm_state->context, dm_old_crtc_state->stream) != DC_OK) { ret = -EINVAL; goto fail; } dc_stream_release(dm_old_crtc_state->stream); dm_new_crtc_state->stream = NULL; reset_freesync_config_for_crtc(dm_new_crtc_state); *lock_and_validation_needed = true; } else {/* Add stream for any updated/enabled CRTC */ /* * Quick fix to prevent NULL pointer on new_stream when * added MST connectors not found in existing crtc_state in the chained mode * TODO: need to dig out the root cause of that */ if (!aconnector || (!aconnector->dc_sink && aconnector->mst_port)) goto next_crtc; if (modereset_required(new_crtc_state)) goto next_crtc; if (modeset_required(new_crtc_state, new_stream, dm_old_crtc_state->stream)) { WARN_ON(dm_new_crtc_state->stream); ret = dm_atomic_get_state(state, &dm_state); if (ret) goto fail; dm_new_crtc_state->stream = new_stream; dc_stream_retain(new_stream); DRM_DEBUG_DRIVER("Enabling DRM crtc: %d\n", crtc->base.id); if (dc_add_stream_to_ctx( dm->dc, dm_state->context, dm_new_crtc_state->stream) != DC_OK) { ret = -EINVAL; goto fail; } *lock_and_validation_needed = true; } } next_crtc: /* Release extra reference */ if (new_stream) dc_stream_release(new_stream); /* * We want to do dc stream updates that do not require a * full modeset below. */ if (!(enable && aconnector && new_crtc_state->enable && new_crtc_state->active)) continue; /* * Given above conditions, the dc state cannot be NULL because: * 1. We're in the process of enabling CRTCs (just been added * to the dc context, or already is on the context) * 2. Has a valid connector attached, and * 3. Is currently active and enabled. * => The dc stream state currently exists. */ BUG_ON(dm_new_crtc_state->stream == NULL); /* Scaling or underscan settings */ if (is_scaling_state_different(dm_old_conn_state, dm_new_conn_state)) update_stream_scaling_settings( &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream); /* * Color management settings. We also update color properties * when a modeset is needed, to ensure it gets reprogrammed. */ if (dm_new_crtc_state->base.color_mgmt_changed || drm_atomic_crtc_needs_modeset(new_crtc_state)) { ret = amdgpu_dm_set_regamma_lut(dm_new_crtc_state); if (ret) goto fail; amdgpu_dm_set_ctm(dm_new_crtc_state); } /* Update Freesync settings. */ get_freesync_config_for_crtc(dm_new_crtc_state, dm_new_conn_state); } return ret; fail: if (new_stream) dc_stream_release(new_stream); return ret; } static int dm_update_planes_state(struct dc *dc, struct drm_atomic_state *state, bool enable, bool *lock_and_validation_needed) { struct dm_atomic_state *dm_state = NULL; struct drm_crtc *new_plane_crtc, *old_plane_crtc; struct drm_crtc_state *old_crtc_state, *new_crtc_state; struct drm_plane *plane; struct drm_plane_state *old_plane_state, *new_plane_state; struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state; struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state; int i ; /* TODO return page_flip_needed() function */ bool pflip_needed = !state->allow_modeset; int ret = 0; /* Add new planes, in reverse order as DC expectation */ for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) { new_plane_crtc = new_plane_state->crtc; old_plane_crtc = old_plane_state->crtc; dm_new_plane_state = to_dm_plane_state(new_plane_state); dm_old_plane_state = to_dm_plane_state(old_plane_state); /*TODO Implement atomic check for cursor plane */ if (plane->type == DRM_PLANE_TYPE_CURSOR) continue; /* Remove any changed/removed planes */ if (!enable) { if (pflip_needed && plane->type != DRM_PLANE_TYPE_OVERLAY) continue; if (!old_plane_crtc) continue; old_crtc_state = drm_atomic_get_old_crtc_state( state, old_plane_crtc); dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); if (!dm_old_crtc_state->stream) continue; DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n", plane->base.id, old_plane_crtc->base.id); ret = dm_atomic_get_state(state, &dm_state); if (ret) return ret; if (!dc_remove_plane_from_context( dc, dm_old_crtc_state->stream, dm_old_plane_state->dc_state, dm_state->context)) { ret = EINVAL; return ret; } dc_plane_state_release(dm_old_plane_state->dc_state); dm_new_plane_state->dc_state = NULL; *lock_and_validation_needed = true; } else { /* Add new planes */ struct dc_plane_state *dc_new_plane_state; if (drm_atomic_plane_disabling(plane->state, new_plane_state)) continue; if (!new_plane_crtc) continue; new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_crtc); dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); if (!dm_new_crtc_state->stream) continue; if (pflip_needed && plane->type != DRM_PLANE_TYPE_OVERLAY) continue; WARN_ON(dm_new_plane_state->dc_state); dc_new_plane_state = dc_create_plane_state(dc); if (!dc_new_plane_state) return -ENOMEM; DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n", plane->base.id, new_plane_crtc->base.id); ret = fill_plane_attributes( new_plane_crtc->dev->dev_private, dc_new_plane_state, new_plane_state, new_crtc_state); if (ret) { dc_plane_state_release(dc_new_plane_state); return ret; } ret = dm_atomic_get_state(state, &dm_state); if (ret) { dc_plane_state_release(dc_new_plane_state); return ret; } /* * Any atomic check errors that occur after this will * not need a release. The plane state will be attached * to the stream, and therefore part of the atomic * state. It'll be released when the atomic state is * cleaned. */ if (!dc_add_plane_to_context( dc, dm_new_crtc_state->stream, dc_new_plane_state, dm_state->context)) { dc_plane_state_release(dc_new_plane_state); return -EINVAL; } dm_new_plane_state->dc_state = dc_new_plane_state; /* Tell DC to do a full surface update every time there * is a plane change. Inefficient, but works for now. */ dm_new_plane_state->dc_state->update_flags.bits.full_update = 1; *lock_and_validation_needed = true; } } return ret; } static int dm_determine_update_type_for_commit(struct dc *dc, struct drm_atomic_state *state, enum surface_update_type *out_type) { struct dm_atomic_state *dm_state = NULL, *old_dm_state = NULL; int i, j, num_plane, ret = 0; struct drm_plane_state *old_plane_state, *new_plane_state; struct dm_plane_state *new_dm_plane_state, *old_dm_plane_state; struct drm_crtc *new_plane_crtc, *old_plane_crtc; struct drm_plane *plane; struct drm_crtc *crtc; struct drm_crtc_state *new_crtc_state, *old_crtc_state; struct dm_crtc_state *new_dm_crtc_state, *old_dm_crtc_state; struct dc_stream_status *status = NULL; struct dc_surface_update *updates = kzalloc(MAX_SURFACES * sizeof(struct dc_surface_update), GFP_KERNEL); struct dc_plane_state *surface = kzalloc(MAX_SURFACES * sizeof(struct dc_plane_state), GFP_KERNEL); struct dc_stream_update stream_update; enum surface_update_type update_type = UPDATE_TYPE_FAST; if (!updates || !surface) { DRM_ERROR("Plane or surface update failed to allocate"); /* Set type to FULL to avoid crashing in DC*/ update_type = UPDATE_TYPE_FULL; goto cleanup; } for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { new_dm_crtc_state = to_dm_crtc_state(new_crtc_state); old_dm_crtc_state = to_dm_crtc_state(old_crtc_state); num_plane = 0; if (new_dm_crtc_state->stream) { for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, j) { new_plane_crtc = new_plane_state->crtc; old_plane_crtc = old_plane_state->crtc; new_dm_plane_state = to_dm_plane_state(new_plane_state); old_dm_plane_state = to_dm_plane_state(old_plane_state); if (plane->type == DRM_PLANE_TYPE_CURSOR) continue; if (!state->allow_modeset) continue; if (crtc == new_plane_crtc) { updates[num_plane].surface = &surface[num_plane]; if (new_crtc_state->mode_changed) { updates[num_plane].surface->src_rect = new_dm_plane_state->dc_state->src_rect; updates[num_plane].surface->dst_rect = new_dm_plane_state->dc_state->dst_rect; updates[num_plane].surface->rotation = new_dm_plane_state->dc_state->rotation; updates[num_plane].surface->in_transfer_func = new_dm_plane_state->dc_state->in_transfer_func; stream_update.dst = new_dm_crtc_state->stream->dst; stream_update.src = new_dm_crtc_state->stream->src; } if (new_crtc_state->color_mgmt_changed) { updates[num_plane].gamma = new_dm_plane_state->dc_state->gamma_correction; updates[num_plane].in_transfer_func = new_dm_plane_state->dc_state->in_transfer_func; stream_update.gamut_remap = &new_dm_crtc_state->stream->gamut_remap_matrix; stream_update.out_transfer_func = new_dm_crtc_state->stream->out_transfer_func; } num_plane++; } } if (num_plane > 0) { ret = dm_atomic_get_state(state, &dm_state); if (ret) goto cleanup; old_dm_state = dm_atomic_get_old_state(state); if (!old_dm_state) { ret = -EINVAL; goto cleanup; } status = dc_state_get_stream_status(old_dm_state->context, new_dm_crtc_state->stream); update_type = dc_check_update_surfaces_for_stream(dc, updates, num_plane, &stream_update, status); if (update_type > UPDATE_TYPE_MED) { update_type = UPDATE_TYPE_FULL; goto cleanup; } } } else if (!new_dm_crtc_state->stream && old_dm_crtc_state->stream) { update_type = UPDATE_TYPE_FULL; goto cleanup; } } cleanup: kfree(updates); kfree(surface); *out_type = update_type; return ret; } /** * amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM. * @dev: The DRM device * @state: The atomic state to commit * * Validate that the given atomic state is programmable by DC into hardware. * This involves constructing a &struct dc_state reflecting the new hardware * state we wish to commit, then querying DC to see if it is programmable. It's * important not to modify the existing DC state. Otherwise, atomic_check * may unexpectedly commit hardware changes. * * When validating the DC state, it's important that the right locks are * acquired. For full updates case which removes/adds/updates streams on one * CRTC while flipping on another CRTC, acquiring global lock will guarantee * that any such full update commit will wait for completion of any outstanding * flip using DRMs synchronization events. See * dm_determine_update_type_for_commit() * * Note that DM adds the affected connectors for all CRTCs in state, when that * might not seem necessary. This is because DC stream creation requires the * DC sink, which is tied to the DRM connector state. Cleaning this up should * be possible but non-trivial - a possible TODO item. * * Return: -Error code if validation failed. */ static int amdgpu_dm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) { struct amdgpu_device *adev = dev->dev_private; struct dm_atomic_state *dm_state = NULL; struct dc *dc = adev->dm.dc; struct drm_connector *connector; struct drm_connector_state *old_con_state, *new_con_state; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state, *new_crtc_state; enum surface_update_type update_type = UPDATE_TYPE_FAST; enum surface_update_type overall_update_type = UPDATE_TYPE_FAST; int ret, i; /* * This bool will be set for true for any modeset/reset * or plane update which implies non fast surface update. */ bool lock_and_validation_needed = false; ret = drm_atomic_helper_check_modeset(dev, state); if (ret) goto fail; for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && !new_crtc_state->color_mgmt_changed && old_crtc_state->vrr_enabled == new_crtc_state->vrr_enabled) continue; if (!new_crtc_state->enable) continue; ret = drm_atomic_add_affected_connectors(state, crtc); if (ret) return ret; ret = drm_atomic_add_affected_planes(state, crtc); if (ret) goto fail; } /* Remove exiting planes if they are modified */ ret = dm_update_planes_state(dc, state, false, &lock_and_validation_needed); if (ret) { goto fail; } /* Disable all crtcs which require disable */ ret = dm_update_crtcs_state(&adev->dm, state, false, &lock_and_validation_needed); if (ret) { goto fail; } /* Enable all crtcs which require enable */ ret = dm_update_crtcs_state(&adev->dm, state, true, &lock_and_validation_needed); if (ret) { goto fail; } /* Add new/modified planes */ ret = dm_update_planes_state(dc, state, true, &lock_and_validation_needed); if (ret) { goto fail; } /* Run this here since we want to validate the streams we created */ ret = drm_atomic_helper_check_planes(dev, state); if (ret) goto fail; /* Check scaling and underscan changes*/ /* TODO Removed scaling changes validation due to inability to commit * new stream into context w\o causing full reset. Need to * decide how to handle. */ for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); /* Skip any modesets/resets */ if (!acrtc || drm_atomic_crtc_needs_modeset( drm_atomic_get_new_crtc_state(state, &acrtc->base))) continue; /* Skip any thing not scale or underscan changes */ if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state)) continue; overall_update_type = UPDATE_TYPE_FULL; lock_and_validation_needed = true; } ret = dm_determine_update_type_for_commit(dc, state, &update_type); if (ret) goto fail; if (overall_update_type < update_type) overall_update_type = update_type; /* * lock_and_validation_needed was an old way to determine if we need to set * the global lock. Leaving it in to check if we broke any corner cases * lock_and_validation_needed true = UPDATE_TYPE_FULL or UPDATE_TYPE_MED * lock_and_validation_needed false = UPDATE_TYPE_FAST */ if (lock_and_validation_needed && overall_update_type <= UPDATE_TYPE_FAST) WARN(1, "Global lock should be Set, overall_update_type should be UPDATE_TYPE_MED or UPDATE_TYPE_FULL"); else if (!lock_and_validation_needed && overall_update_type > UPDATE_TYPE_FAST) WARN(1, "Global lock should NOT be set, overall_update_type should be UPDATE_TYPE_FAST"); if (overall_update_type > UPDATE_TYPE_FAST) { ret = dm_atomic_get_state(state, &dm_state); if (ret) goto fail; ret = do_aquire_global_lock(dev, state); if (ret) goto fail; if (dc_validate_global_state(dc, dm_state->context) != DC_OK) { ret = -EINVAL; goto fail; } } else if (state->legacy_cursor_update) { /* * This is a fast cursor update coming from the plane update * helper, check if it can be done asynchronously for better * performance. */ state->async_update = !drm_atomic_helper_async_check(dev, state); } /* Must be success */ WARN_ON(ret); return ret; fail: if (ret == -EDEADLK) DRM_DEBUG_DRIVER("Atomic check stopped to avoid deadlock.\n"); else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS) DRM_DEBUG_DRIVER("Atomic check stopped due to signal.\n"); else DRM_DEBUG_DRIVER("Atomic check failed with err: %d \n", ret); return ret; } static bool is_dp_capable_without_timing_msa(struct dc *dc, struct amdgpu_dm_connector *amdgpu_dm_connector) { uint8_t dpcd_data; bool capable = false; if (amdgpu_dm_connector->dc_link && dm_helpers_dp_read_dpcd( NULL, amdgpu_dm_connector->dc_link, DP_DOWN_STREAM_PORT_COUNT, &dpcd_data, sizeof(dpcd_data))) { capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false; } return capable; } void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, struct edid *edid) { int i; bool edid_check_required; struct detailed_timing *timing; struct detailed_non_pixel *data; struct detailed_data_monitor_range *range; struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); struct dm_connector_state *dm_con_state = NULL; struct drm_device *dev = connector->dev; struct amdgpu_device *adev = dev->dev_private; bool freesync_capable = false; if (!connector->state) { DRM_ERROR("%s - Connector has no state", __func__); goto update; } if (!edid) { dm_con_state = to_dm_connector_state(connector->state); amdgpu_dm_connector->min_vfreq = 0; amdgpu_dm_connector->max_vfreq = 0; amdgpu_dm_connector->pixel_clock_mhz = 0; goto update; } dm_con_state = to_dm_connector_state(connector->state); edid_check_required = false; if (!amdgpu_dm_connector->dc_sink) { DRM_ERROR("dc_sink NULL, could not add free_sync module.\n"); goto update; } if (!adev->dm.freesync_module) goto update; /* * if edid non zero restrict freesync only for dp and edp */ if (edid) { if (amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT || amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_EDP) { edid_check_required = is_dp_capable_without_timing_msa( adev->dm.dc, amdgpu_dm_connector); } } if (edid_check_required == true && (edid->version > 1 || (edid->version == 1 && edid->revision > 1))) { for (i = 0; i < 4; i++) { timing = &edid->detailed_timings[i]; data = &timing->data.other_data; range = &data->data.range; /* * Check if monitor has continuous frequency mode */ if (data->type != EDID_DETAIL_MONITOR_RANGE) continue; /* * Check for flag range limits only. If flag == 1 then * no additional timing information provided. * Default GTF, GTF Secondary curve and CVT are not * supported */ if (range->flags != 1) continue; amdgpu_dm_connector->min_vfreq = range->min_vfreq; amdgpu_dm_connector->max_vfreq = range->max_vfreq; amdgpu_dm_connector->pixel_clock_mhz = range->pixel_clock_mhz * 10; break; } if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10) { freesync_capable = true; } } update: if (dm_con_state) dm_con_state->freesync_capable = freesync_capable; if (connector->vrr_capable_property) drm_connector_set_vrr_capable_property(connector, freesync_capable); }
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