cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c

/*
 * Copyright 2013 Advanced Micro Devices, Inc.
 * All Rights Reserved.
 *
 * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * Authors: Christian König <christian.koenig@amd.com>
 */

#include <linux/firmware.h>
#include <linux/module.h>
#include <drm/drmP.h>
#include <drm/drm.h>

#include "amdgpu.h"
#include "amdgpu_pm.h"
#include "amdgpu_vce.h"
#include "cikd.h"

/* 1 second timeout */

#define VCE_IDLE_TIMEOUT	msecs_to_jiffies(1000)

/* Firmware Names */
#ifdef CONFIG_DRM_AMDGPU_CIK

#define FIRMWARE_BONAIRE	"radeon/bonaire_vce.bin"

#define FIRMWARE_KABINI	"radeon/kabini_vce.bin"

#define FIRMWARE_KAVERI	"radeon/kaveri_vce.bin"

#define FIRMWARE_HAWAII	"radeon/hawaii_vce.bin"

#define FIRMWARE_MULLINS	"radeon/mullins_vce.bin"
#endif

#define FIRMWARE_TONGA		"amdgpu/tonga_vce.bin"

#define FIRMWARE_CARRIZO	"amdgpu/carrizo_vce.bin"

#define FIRMWARE_FIJI		"amdgpu/fiji_vce.bin"

#define FIRMWARE_STONEY		"amdgpu/stoney_vce.bin"

#define FIRMWARE_POLARIS10	"amdgpu/polaris10_vce.bin"

#define FIRMWARE_POLARIS11         "amdgpu/polaris11_vce.bin"

#define FIRMWARE_POLARIS12         "amdgpu/polaris12_vce.bin"

#ifdef CONFIG_DRM_AMDGPU_CIK

MODULE_FIRMWARE(FIRMWARE_BONAIRE);

MODULE_FIRMWARE(FIRMWARE_KABINI);

MODULE_FIRMWARE(FIRMWARE_KAVERI);

MODULE_FIRMWARE(FIRMWARE_HAWAII);

MODULE_FIRMWARE(FIRMWARE_MULLINS);
#endif

MODULE_FIRMWARE(FIRMWARE_TONGA);

MODULE_FIRMWARE(FIRMWARE_CARRIZO);

MODULE_FIRMWARE(FIRMWARE_FIJI);

MODULE_FIRMWARE(FIRMWARE_STONEY);

MODULE_FIRMWARE(FIRMWARE_POLARIS10);

MODULE_FIRMWARE(FIRMWARE_POLARIS11);

MODULE_FIRMWARE(FIRMWARE_POLARIS12);

static void amdgpu_vce_idle_work_handler(struct work_struct *work);

/**
 * amdgpu_vce_init - allocate memory, load vce firmware
 *
 * @adev: amdgpu_device pointer
 *
 * First step to get VCE online, allocate memory and load the firmware
 */

int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) { struct amdgpu_ring *ring; struct amd_sched_rq *rq; const char *fw_name; const struct common_firmware_header *hdr; unsigned ucode_version, version_major, version_minor, binary_id; int i, r; switch (adev->asic_type) { #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_BONAIRE: fw_name = FIRMWARE_BONAIRE; break; case CHIP_KAVERI: fw_name = FIRMWARE_KAVERI; break; case CHIP_KABINI: fw_name = FIRMWARE_KABINI; break; case CHIP_HAWAII: fw_name = FIRMWARE_HAWAII; break; case CHIP_MULLINS: fw_name = FIRMWARE_MULLINS; break; #endif case CHIP_TONGA: fw_name = FIRMWARE_TONGA; break; case CHIP_CARRIZO: fw_name = FIRMWARE_CARRIZO; break; case CHIP_FIJI: fw_name = FIRMWARE_FIJI; break; case CHIP_STONEY: fw_name = FIRMWARE_STONEY; break; case CHIP_POLARIS10: fw_name = FIRMWARE_POLARIS10; break; case CHIP_POLARIS11: fw_name = FIRMWARE_POLARIS11; break; case CHIP_POLARIS12: fw_name = FIRMWARE_POLARIS12; break; default: return -EINVAL; } r = request_firmware(&adev->vce.fw, fw_name, adev->dev); if (r) { dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n", fw_name); return r; } r = amdgpu_ucode_validate(adev->vce.fw); if (r) { dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n", fw_name); release_firmware(adev->vce.fw); adev->vce.fw = NULL; return r; } hdr = (const struct common_firmware_header *)adev->vce.fw->data; ucode_version = le32_to_cpu(hdr->ucode_version); version_major = (ucode_version >> 20) & 0xfff; version_minor = (ucode_version >> 8) & 0xfff; binary_id = ucode_version & 0xff; DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n", version_major, version_minor, binary_id); adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) | (binary_id << 8)); /* allocate firmware, stack and heap BO */ r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, &adev->vce.vcpu_bo); if (r) { dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); return r; } r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); if (r) { amdgpu_bo_unref(&adev->vce.vcpu_bo); dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); return r; } r = amdgpu_bo_pin(adev->vce.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.gpu_addr); amdgpu_bo_unreserve(adev->vce.vcpu_bo); if (r) { amdgpu_bo_unref(&adev->vce.vcpu_bo); dev_err(adev->dev, "(%d) VCE bo pin failed\n", r); return r; } ring = &adev->vce.ring[0]; rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL]; r = amd_sched_entity_init(&ring->sched, &adev->vce.entity, rq, amdgpu_sched_jobs); if (r != 0) { DRM_ERROR("Failed setting up VCE run queue.\n"); return r; } for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { atomic_set(&adev->vce.handles[i], 0); adev->vce.filp[i] = NULL; } INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); mutex_init(&adev->vce.idle_mutex); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher48578.61%325.00%
Christian König9715.72%433.33%
Sonny Jiang121.94%18.33%
Samuel Li81.30%18.33%
Junwei (Martin) Zhang81.30%18.33%
Flora Cui40.65%18.33%
Leo Liu30.49%18.33%
Total617100.00%12100.00%

/** * amdgpu_vce_fini - free memory * * @adev: amdgpu_device pointer * * Last step on VCE teardown, free firmware memory */
int amdgpu_vce_sw_fini(struct amdgpu_device *adev) { unsigned i; if (adev->vce.vcpu_bo == NULL) return 0; amd_sched_entity_fini(&adev->vce.ring[0].sched, &adev->vce.entity); amdgpu_bo_unref(&adev->vce.vcpu_bo); for (i = 0; i < adev->vce.num_rings; i++) amdgpu_ring_fini(&adev->vce.ring[i]); release_firmware(adev->vce.fw); mutex_destroy(&adev->vce.idle_mutex); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher6155.45%125.00%
Christian König3229.09%250.00%
Grazvydas Ignotas1715.45%125.00%
Total110100.00%4100.00%

/** * amdgpu_vce_suspend - unpin VCE fw memory * * @adev: amdgpu_device pointer * */
int amdgpu_vce_suspend(struct amdgpu_device *adev) { int i; if (adev->vce.vcpu_bo == NULL) return 0; for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) if (atomic_read(&adev->vce.handles[i])) break; if (i == AMDGPU_MAX_VCE_HANDLES) return 0; cancel_delayed_work_sync(&adev->vce.idle_work); /* TODO: suspending running encoding sessions isn't supported */ return -EINVAL; }

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PersonTokensPropCommitsCommitProp
Alex Deucher6987.34%150.00%
Rex Zhu1012.66%150.00%
Total79100.00%2100.00%

/** * amdgpu_vce_resume - pin VCE fw memory * * @adev: amdgpu_device pointer * */
int amdgpu_vce_resume(struct amdgpu_device *adev) { void *cpu_addr; const struct common_firmware_header *hdr; unsigned offset; int r; if (adev->vce.vcpu_bo == NULL) return -EINVAL; r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); if (r) { dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); return r; } r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr); if (r) { amdgpu_bo_unreserve(adev->vce.vcpu_bo); dev_err(adev->dev, "(%d) VCE map failed\n", r); return r; } hdr = (const struct common_firmware_header *)adev->vce.fw->data; offset = le32_to_cpu(hdr->ucode_array_offset_bytes); memcpy_toio(cpu_addr, adev->vce.fw->data + offset, adev->vce.fw->size - offset); amdgpu_bo_kunmap(adev->vce.vcpu_bo); amdgpu_bo_unreserve(adev->vce.vcpu_bo); return 0; }

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Alex Deucher18699.47%150.00%
Christian König10.53%150.00%
Total187100.00%2100.00%

/** * amdgpu_vce_idle_work_handler - power off VCE * * @work: pointer to work structure * * power of VCE when it's not used any more */
static void amdgpu_vce_idle_work_handler(struct work_struct *work) { struct amdgpu_device *adev = container_of(work, struct amdgpu_device, vce.idle_work.work); unsigned i, count = 0; for (i = 0; i < adev->vce.num_rings; i++) count += amdgpu_fence_count_emitted(&adev->vce.ring[i]); if (count == 0) { if (adev->pm.dpm_enabled) { amdgpu_dpm_enable_vce(adev, false); } else { amdgpu_asic_set_vce_clocks(adev, 0, 0); amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, AMD_PG_STATE_GATE); amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, AMD_CG_STATE_GATE); } } else { schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT); } }

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Alex Deucher12086.33%250.00%
Rex Zhu1812.95%125.00%
Christian König10.72%125.00%
Total139100.00%4100.00%

/** * amdgpu_vce_ring_begin_use - power up VCE * * @ring: amdgpu ring * * Make sure VCE is powerd up when we want to use it */
void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; bool set_clocks; mutex_lock(&adev->vce.idle_mutex); set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); if (set_clocks) { if (adev->pm.dpm_enabled) { amdgpu_dpm_enable_vce(adev, true); } else { amdgpu_asic_set_vce_clocks(adev, 53300, 40000); amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, AMD_CG_STATE_UNGATE); amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, AMD_PG_STATE_UNGATE); } } mutex_unlock(&adev->vce.idle_mutex); }

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Alex Deucher6055.56%133.33%
Christian König3027.78%133.33%
Rex Zhu1816.67%133.33%
Total108100.00%3100.00%

/** * amdgpu_vce_ring_end_use - power VCE down * * @ring: amdgpu ring * * Schedule work to power VCE down again */
void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring) { schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT); }

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Christian König2395.83%150.00%
Alex Deucher14.17%150.00%
Total24100.00%2100.00%

/** * amdgpu_vce_free_handles - free still open VCE handles * * @adev: amdgpu_device pointer * @filp: drm file pointer * * Close all VCE handles still open by this file pointer */
void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) { struct amdgpu_ring *ring = &adev->vce.ring[0]; int i, r; for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { uint32_t handle = atomic_read(&adev->vce.handles[i]); if (!handle || adev->vce.filp[i] != filp) continue; r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL); if (r) DRM_ERROR("Error destroying VCE handle (%d)!\n", r); adev->vce.filp[i] = NULL; atomic_set(&adev->vce.handles[i], 0); } }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher13198.50%150.00%
Christian König21.50%150.00%
Total133100.00%2100.00%

/** * amdgpu_vce_get_create_msg - generate a VCE create msg * * @adev: amdgpu_device pointer * @ring: ring we should submit the msg to * @handle: VCE session handle to use * @fence: optional fence to return * * Open up a stream for HW test */
int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, struct dma_fence **fence) { const unsigned ib_size_dw = 1024; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; uint64_t dummy; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); if (r) return r; ib = &job->ibs[0]; dummy = ib->gpu_addr + 1024; /* stitch together an VCE create msg */ ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ ib->ptr[ib->length_dw++] = handle; if ((ring->adev->vce.fw_version >> 24) >= 52) ib->ptr[ib->length_dw++] = 0x00000040; /* len */ else ib->ptr[ib->length_dw++] = 0x00000030; /* len */ ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000042; ib->ptr[ib->length_dw++] = 0x0000000a; ib->ptr[ib->length_dw++] = 0x00000001; ib->ptr[ib->length_dw++] = 0x00000080; ib->ptr[ib->length_dw++] = 0x00000060; ib->ptr[ib->length_dw++] = 0x00000100; ib->ptr[ib->length_dw++] = 0x00000100; ib->ptr[ib->length_dw++] = 0x0000000c; ib->ptr[ib->length_dw++] = 0x00000000; if ((ring->adev->vce.fw_version >> 24) >= 52) { ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000000; } ib->ptr[ib->length_dw++] = 0x00000014; /* len */ ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ ib->ptr[ib->length_dw++] = upper_32_bits(dummy); ib->ptr[ib->length_dw++] = dummy; ib->ptr[ib->length_dw++] = 0x00000001; for (i = ib->length_dw; i < ib_size_dw; ++i) ib->ptr[i] = 0x0; r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); job->fence = dma_fence_get(f); if (r) goto err; amdgpu_job_free(job); if (fence) *fence = dma_fence_get(f); dma_fence_put(f); return 0; err: amdgpu_job_free(job); return r; }

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PersonTokensPropCommitsCommitProp
Alex Deucher32059.93%18.33%
Leo Liu9617.98%18.33%
Chunming Zhou7013.11%325.00%
Christian König376.93%541.67%
Monk Liu61.12%18.33%
Chris Wilson50.94%18.33%
Total534100.00%12100.00%

/** * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg * * @adev: amdgpu_device pointer * @ring: ring we should submit the msg to * @handle: VCE session handle to use * @fence: optional fence to return * * Close up a stream for HW test or if userspace failed to do so */
int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, bool direct, struct dma_fence **fence) { const unsigned ib_size_dw = 1024; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); if (r) return r; ib = &job->ibs[0]; /* stitch together an VCE destroy msg */ ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ ib->ptr[ib->length_dw++] = handle; ib->ptr[ib->length_dw++] = 0x00000020; /* len */ ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */ ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */ ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */ ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000008; /* len */ ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ for (i = ib->length_dw; i < ib_size_dw; ++i) ib->ptr[i] = 0x0; if (direct) { r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); job->fence = dma_fence_get(f); if (r) goto err; amdgpu_job_free(job); } else { r = amdgpu_job_submit(job, ring, &ring->adev->vce.entity, AMDGPU_FENCE_OWNER_UNDEFINED, &f); if (r) goto err; } if (fence) *fence = dma_fence_get(f); dma_fence_put(f); return 0; err: amdgpu_job_free(job); return r; }

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Alex Deucher20452.99%17.14%
Christian König7619.74%750.00%
Chunming Zhou4912.73%321.43%
Rex Zhu4511.69%17.14%
Monk Liu61.56%17.14%
Chris Wilson51.30%17.14%
Total385100.00%14100.00%

/** * amdgpu_vce_cs_reloc - command submission relocation * * @p: parser context * @lo: address of lower dword * @hi: address of higher dword * @size: minimum size * * Patch relocation inside command stream with real buffer address */
static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx, int lo, int hi, unsigned size, uint32_t index) { struct amdgpu_bo_va_mapping *mapping; struct amdgpu_bo *bo; uint64_t addr; if (index == 0xffffffff) index = 0; addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) | ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32; addr += ((uint64_t)size) * ((uint64_t)index); mapping = amdgpu_cs_find_mapping(p, addr, &bo); if (mapping == NULL) { DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n", addr, lo, hi, size, index); return -EINVAL; } if ((addr + (uint64_t)size) > ((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) { DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n", addr, lo, hi); return -EINVAL; } addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE; addr += amdgpu_bo_gpu_offset(bo); addr -= ((uint64_t)size) * ((uint64_t)index); amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr)); amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr)); return 0; }

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Alex Deucher12952.02%125.00%
Christian König11947.98%375.00%
Total248100.00%4100.00%

/** * amdgpu_vce_validate_handle - validate stream handle * * @p: parser context * @handle: handle to validate * @allocated: allocated a new handle? * * Validates the handle and return the found session index or -EINVAL * we we don't have another free session index. */
static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, uint32_t handle, uint32_t *allocated) { unsigned i; /* validate the handle */ for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { if (atomic_read(&p->adev->vce.handles[i]) == handle) { if (p->adev->vce.filp[i] != p->filp) { DRM_ERROR("VCE handle collision detected!\n"); return -EINVAL; } return i; } } /* handle not found try to alloc a new one */ for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { p->adev->vce.filp[i] = p->filp; p->adev->vce.img_size[i] = 0; *allocated |= 1 << i; return i; } } DRM_ERROR("No more free VCE handles!\n"); return -EINVAL; }

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Christian König176100.00%3100.00%
Total176100.00%3100.00%

/** * amdgpu_vce_cs_parse - parse and validate the command stream * * @p: parser context * */
int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) { struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; unsigned fb_idx = 0, bs_idx = 0; int session_idx = -1; uint32_t destroyed = 0; uint32_t created = 0; uint32_t allocated = 0; uint32_t tmp, handle = 0; uint32_t *size = &tmp; int i, r, idx = 0; p->job->vm = NULL; ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo); r = amdgpu_cs_sysvm_access_required(p); if (r) return r; while (idx < ib->length_dw) { uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); if ((len < 8) || (len & 3)) { DRM_ERROR("invalid VCE command length (%d)!\n", len); r = -EINVAL; goto out; } switch (cmd) { case 0x00000001: /* session */ handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); session_idx = amdgpu_vce_validate_handle(p, handle, &allocated); if (session_idx < 0) { r = session_idx; goto out; } size = &p->adev->vce.img_size[session_idx]; break; case 0x00000002: /* task info */ fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6); bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7); break; case 0x01000001: /* create */ created |= 1 << session_idx; if (destroyed & (1 << session_idx)) { destroyed &= ~(1 << session_idx); allocated |= 1 << session_idx; } else if (!(allocated & (1 << session_idx))) { DRM_ERROR("Handle already in use!\n"); r = -EINVAL; goto out; } *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) * amdgpu_get_ib_value(p, ib_idx, idx + 10) * 8 * 3 / 2; break; case 0x04000001: /* config extension */ case 0x04000002: /* pic control */ case 0x04000005: /* rate control */ case 0x04000007: /* motion estimation */ case 0x04000008: /* rdo */ case 0x04000009: /* vui */ case 0x05000002: /* auxiliary buffer */ case 0x05000009: /* clock table */ break; case 0x0500000c: /* hw config */ switch (p->adev->asic_type) { #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_KAVERI: case CHIP_MULLINS: #endif case CHIP_CARRIZO: break; default: r = -EINVAL; goto out; } break; case 0x03000001: /* encode */ r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9, *size, 0); if (r) goto out; r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11, *size / 3, 0); if (r) goto out; break; case 0x02000001: /* destroy */ destroyed |= 1 << session_idx; break; case 0x05000001: /* context buffer */ r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, *size * 2, 0); if (r) goto out; break; case 0x05000004: /* video bitstream buffer */ tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4); r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, tmp, bs_idx); if (r) goto out; break; case 0x05000005: /* feedback buffer */ r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 4096, fb_idx); if (r) goto out; break; default: DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); r = -EINVAL; goto out; } if (session_idx == -1) { DRM_ERROR("no session command at start of IB\n"); r = -EINVAL; goto out; } idx += len / 4; } if (allocated & ~created) { DRM_ERROR("New session without create command!\n"); r = -ENOENT; } out: if (!r) { /* No error, free all destroyed handle slots */ tmp = destroyed; } else { /* Error during parsing, free all allocated handle slots */ tmp = allocated; } for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) if (tmp & (1 << i)) atomic_set(&p->adev->vce.handles[i], 0); return r; }

Contributors

PersonTokensPropCommitsCommitProp
Christian König46760.97%975.00%
Alex Deucher29939.03%325.00%
Total766100.00%12100.00%

/** * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode * * @p: parser context * */
int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx) { struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; int session_idx = -1; uint32_t destroyed = 0; uint32_t created = 0; uint32_t allocated = 0; uint32_t tmp, handle = 0; int i, r = 0, idx = 0; while (idx < ib->length_dw) { uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); if ((len < 8) || (len & 3)) { DRM_ERROR("invalid VCE command length (%d)!\n", len); r = -EINVAL; goto out; } switch (cmd) { case 0x00000001: /* session */ handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); session_idx = amdgpu_vce_validate_handle(p, handle, &allocated); if (session_idx < 0) { r = session_idx; goto out; } break; case 0x01000001: /* create */ created |= 1 << session_idx; if (destroyed & (1 << session_idx)) { destroyed &= ~(1 << session_idx); allocated |= 1 << session_idx; } else if (!(allocated & (1 << session_idx))) { DRM_ERROR("Handle already in use!\n"); r = -EINVAL; goto out; } break; case 0x02000001: /* destroy */ destroyed |= 1 << session_idx; break; default: break; } if (session_idx == -1) { DRM_ERROR("no session command at start of IB\n"); r = -EINVAL; goto out; } idx += len / 4; } if (allocated & ~created) { DRM_ERROR("New session without create command!\n"); r = -ENOENT; } out: if (!r) { /* No error, free all destroyed handle slots */ tmp = destroyed; amdgpu_ib_free(p->adev, ib, NULL); } else { /* Error during parsing, free all allocated handle slots */ tmp = allocated; } for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) if (tmp & (1 << i)) atomic_set(&p->adev->vce.handles[i], 0); return r; }

Contributors

PersonTokensPropCommitsCommitProp
Christian König37095.36%266.67%
Alex Deucher184.64%133.33%
Total388100.00%3100.00%

/** * amdgpu_vce_ring_emit_ib - execute indirect buffer * * @ring: engine to use * @ib: the IB to execute * */
void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib, unsigned vm_id, bool ctx_switch) { amdgpu_ring_write(ring, VCE_CMD_IB); amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); amdgpu_ring_write(ring, ib->length_dw); }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher5590.16%133.33%
Christian König69.84%266.67%
Total61100.00%3100.00%

/** * amdgpu_vce_ring_emit_fence - add a fence command to the ring * * @ring: engine to use * @fence: the fence * */
void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, unsigned flags) { WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); amdgpu_ring_write(ring, VCE_CMD_FENCE); amdgpu_ring_write(ring, addr); amdgpu_ring_write(ring, upper_32_bits(addr)); amdgpu_ring_write(ring, seq); amdgpu_ring_write(ring, VCE_CMD_TRAP); amdgpu_ring_write(ring, VCE_CMD_END); }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher6692.96%150.00%
Chunming Zhou57.04%150.00%
Total71100.00%2100.00%

/** * amdgpu_vce_ring_test_ring - test if VCE ring is working * * @ring: the engine to test on * */
int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; uint32_t rptr = amdgpu_ring_get_rptr(ring); unsigned i; int r; r = amdgpu_ring_alloc(ring, 16); if (r) { DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n", ring->idx, r); return r; } amdgpu_ring_write(ring, VCE_CMD_END); amdgpu_ring_commit(ring); for (i = 0; i < adev->usec_timeout; i++) { if (amdgpu_ring_get_rptr(ring) != rptr) break; DRM_UDELAY(1); } if (i < adev->usec_timeout) { DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); } else { DRM_ERROR("amdgpu: ring %d test failed\n", ring->idx); r = -ETIMEDOUT; } return r; }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher14598.64%150.00%
Christian König21.36%150.00%
Total147100.00%2100.00%

/** * amdgpu_vce_ring_test_ib - test if VCE IBs are working * * @ring: the engine to test on * */
int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct dma_fence *fence = NULL; long r; /* skip vce ring1/2 ib test for now, since it's not reliable */ if (ring != &ring->adev->vce.ring[0]) return 0; r = amdgpu_vce_get_create_msg(ring, 1, NULL); if (r) { DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); goto error; } r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); if (r) { DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); goto error; } r = dma_fence_wait_timeout(fence, false, timeout); if (r == 0) { DRM_ERROR("amdgpu: IB test timed out.\n"); r = -ETIMEDOUT; } else if (r < 0) { DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); } else { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); r = 0; } error: dma_fence_put(fence); return r; }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher11567.25%233.33%
Christian König3621.05%233.33%
Leo Liu179.94%116.67%
Chris Wilson31.75%116.67%
Total171100.00%6100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher259657.42%714.00%
Christian König148232.78%2550.00%
Chunming Zhou1242.74%48.00%
Leo Liu1162.57%36.00%
Rex Zhu912.01%36.00%
Sonny Jiang240.53%12.00%
Junwei (Martin) Zhang170.38%12.00%
Samuel Li170.38%12.00%
Grazvydas Ignotas170.38%12.00%
Chris Wilson130.29%12.00%
Monk Liu120.27%12.00%
Flora Cui100.22%12.00%
Jammy Zhou20.04%12.00%
Total4521100.00%50100.00%
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