Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alex Deucher | 4562 | 73.93% | 28 | 22.40% |
Christian König | 754 | 12.22% | 34 | 27.20% |
Shaoyun Liu | 179 | 2.90% | 1 | 0.80% |
yanyang1 | 175 | 2.84% | 1 | 0.80% |
Ken Wang | 119 | 1.93% | 5 | 4.00% |
Alex Sierra | 66 | 1.07% | 1 | 0.80% |
Junwei (Martin) Zhang | 64 | 1.04% | 3 | 2.40% |
Harry Wentland | 20 | 0.32% | 1 | 0.80% |
Srinivasan S | 15 | 0.24% | 4 | 3.20% |
Roger He | 15 | 0.24% | 2 | 1.60% |
Jay Cornwall | 13 | 0.21% | 1 | 0.80% |
Monk Liu | 13 | 0.21% | 3 | 2.40% |
Xiaojian Du | 12 | 0.19% | 1 | 0.80% |
Edward O'Callaghan | 12 | 0.19% | 2 | 1.60% |
Mukul Joshi | 11 | 0.18% | 2 | 1.60% |
Michel Dänzer | 11 | 0.18% | 1 | 0.80% |
Felix Kuhling | 10 | 0.16% | 3 | 2.40% |
Alex Xie | 10 | 0.16% | 2 | 1.60% |
Sunil Khatri | 10 | 0.16% | 2 | 1.60% |
Flora Cui | 10 | 0.16% | 1 | 0.80% |
Oak Zeng | 10 | 0.16% | 3 | 2.40% |
Hawking Zhang | 10 | 0.16% | 2 | 1.60% |
Chunming Zhou | 9 | 0.15% | 2 | 1.60% |
Mario Limonciello | 7 | 0.11% | 1 | 0.80% |
Nirmoy Das | 7 | 0.11% | 2 | 1.60% |
Andrey Grodzovsky | 6 | 0.10% | 2 | 1.60% |
Tom St Denis | 6 | 0.10% | 2 | 1.60% |
Christoph Hellwig | 6 | 0.10% | 1 | 0.80% |
Yong Zhao | 5 | 0.08% | 1 | 0.80% |
Jammy Zhou | 4 | 0.06% | 1 | 0.80% |
Le Ma | 4 | 0.06% | 1 | 0.80% |
Lee Jones | 3 | 0.05% | 2 | 1.60% |
Michael D Labriola | 3 | 0.05% | 1 | 0.80% |
Huang Rui | 3 | 0.05% | 1 | 0.80% |
Arunpravin Pannerslvam | 2 | 0.03% | 1 | 0.80% |
Joe Perches | 2 | 0.03% | 1 | 0.80% |
Jay Aurabind | 1 | 0.02% | 1 | 0.80% |
Sam Ravnborg | 1 | 0.02% | 1 | 0.80% |
tianci yin | 1 | 0.02% | 1 | 0.80% |
Total | 6171 | 125 |
/* * Copyright 2014 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. * */ #include <linux/firmware.h> #include <linux/module.h> #include <linux/pci.h> #include <drm/drm_cache.h> #include "amdgpu.h" #include "cikd.h" #include "cik.h" #include "gmc_v7_0.h" #include "amdgpu_ucode.h" #include "amdgpu_amdkfd.h" #include "amdgpu_gem.h" #include "bif/bif_4_1_d.h" #include "bif/bif_4_1_sh_mask.h" #include "gmc/gmc_7_1_d.h" #include "gmc/gmc_7_1_sh_mask.h" #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" #include "dce/dce_8_0_d.h" #include "dce/dce_8_0_sh_mask.h" #include "amdgpu_atombios.h" #include "ivsrcid/ivsrcid_vislands30.h" static void gmc_v7_0_set_gmc_funcs(struct amdgpu_device *adev); static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev); static int gmc_v7_0_wait_for_idle(void *handle); MODULE_FIRMWARE("amdgpu/bonaire_mc.bin"); MODULE_FIRMWARE("amdgpu/hawaii_mc.bin"); MODULE_FIRMWARE("amdgpu/topaz_mc.bin"); static const u32 golden_settings_iceland_a11[] = { mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff }; static const u32 iceland_mgcg_cgcg_init[] = { mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { case CHIP_TOPAZ: amdgpu_device_program_register_sequence(adev, iceland_mgcg_cgcg_init, ARRAY_SIZE(iceland_mgcg_cgcg_init)); amdgpu_device_program_register_sequence(adev, golden_settings_iceland_a11, ARRAY_SIZE(golden_settings_iceland_a11)); break; default: break; } } static void gmc_v7_0_mc_stop(struct amdgpu_device *adev) { u32 blackout; gmc_v7_0_wait_for_idle((void *)adev); blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { /* Block CPU access */ WREG32(mmBIF_FB_EN, 0); /* blackout the MC */ blackout = REG_SET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); } /* wait for the MC to settle */ udelay(100); } static void gmc_v7_0_mc_resume(struct amdgpu_device *adev) { u32 tmp; /* unblackout the MC */ tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); /* allow CPU access */ tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); WREG32(mmBIF_FB_EN, tmp); } /** * gmc_v7_0_init_microcode - load ucode images from disk * * @adev: amdgpu_device pointer * * Use the firmware interface to load the ucode images into * the driver (not loaded into hw). * Returns 0 on success, error on failure. */ static int gmc_v7_0_init_microcode(struct amdgpu_device *adev) { const char *chip_name; char fw_name[30]; int err; DRM_DEBUG("\n"); switch (adev->asic_type) { case CHIP_BONAIRE: chip_name = "bonaire"; break; case CHIP_HAWAII: chip_name = "hawaii"; break; case CHIP_TOPAZ: chip_name = "topaz"; break; case CHIP_KAVERI: case CHIP_KABINI: case CHIP_MULLINS: return 0; default: return -EINVAL; } snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); err = amdgpu_ucode_request(adev, &adev->gmc.fw, fw_name); if (err) { pr_err("cik_mc: Failed to load firmware \"%s\"\n", fw_name); amdgpu_ucode_release(&adev->gmc.fw); } return err; } /** * gmc_v7_0_mc_load_microcode - load MC ucode into the hw * * @adev: amdgpu_device pointer * * Load the GDDR MC ucode into the hw (CIK). * Returns 0 on success, error on failure. */ static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev) { const struct mc_firmware_header_v1_0 *hdr; const __le32 *fw_data = NULL; const __le32 *io_mc_regs = NULL; u32 running; int i, ucode_size, regs_size; if (!adev->gmc.fw) return -EINVAL; hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data; amdgpu_ucode_print_mc_hdr(&hdr->header); adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version); regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); io_mc_regs = (const __le32 *) (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; fw_data = (const __le32 *) (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); if (running == 0) { /* reset the engine and set to writable */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); /* load mc io regs */ for (i = 0; i < regs_size; i++) { WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); } /* load the MC ucode */ for (i = 0; i < ucode_size; i++) WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); /* put the engine back into the active state */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); /* wait for training to complete */ for (i = 0; i < adev->usec_timeout; i++) { if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0)) break; udelay(1); } for (i = 0; i < adev->usec_timeout; i++) { if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1)) break; udelay(1); } } return 0; } static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc) { u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF; base <<= 24; amdgpu_gmc_set_agp_default(adev, mc); amdgpu_gmc_vram_location(adev, mc, base); amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT); } /** * gmc_v7_0_mc_program - program the GPU memory controller * * @adev: amdgpu_device pointer * * Set the location of vram, gart, and AGP in the GPU's * physical address space (CIK). */ static void gmc_v7_0_mc_program(struct amdgpu_device *adev) { u32 tmp; int i, j; /* Initialize HDP */ for (i = 0, j = 0; i < 32; i++, j += 0x6) { WREG32((0xb05 + j), 0x00000000); WREG32((0xb06 + j), 0x00000000); WREG32((0xb07 + j), 0x00000000); WREG32((0xb08 + j), 0x00000000); WREG32((0xb09 + j), 0x00000000); } WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); if (gmc_v7_0_wait_for_idle((void *)adev)) dev_warn(adev->dev, "Wait for MC idle timedout !\n"); if (adev->mode_info.num_crtc) { /* Lockout access through VGA aperture*/ tmp = RREG32(mmVGA_HDP_CONTROL); tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); WREG32(mmVGA_HDP_CONTROL, tmp); /* disable VGA render */ tmp = RREG32(mmVGA_RENDER_CONTROL); tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); WREG32(mmVGA_RENDER_CONTROL, tmp); } /* Update configuration */ WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->gmc.vram_start >> 12); WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, adev->gmc.vram_end >> 12); WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, adev->mem_scratch.gpu_addr >> 12); WREG32(mmMC_VM_AGP_BASE, 0); WREG32(mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 22); WREG32(mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 22); if (gmc_v7_0_wait_for_idle((void *)adev)) dev_warn(adev->dev, "Wait for MC idle timedout !\n"); WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); tmp = RREG32(mmHDP_MISC_CNTL); tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0); WREG32(mmHDP_MISC_CNTL, tmp); tmp = RREG32(mmHDP_HOST_PATH_CNTL); WREG32(mmHDP_HOST_PATH_CNTL, tmp); } /** * gmc_v7_0_mc_init - initialize the memory controller driver params * * @adev: amdgpu_device pointer * * Look up the amount of vram, vram width, and decide how to place * vram and gart within the GPU's physical address space (CIK). * Returns 0 for success. */ static int gmc_v7_0_mc_init(struct amdgpu_device *adev) { int r; adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev); if (!adev->gmc.vram_width) { u32 tmp; int chansize, numchan; /* Get VRAM informations */ tmp = RREG32(mmMC_ARB_RAMCFG); if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) chansize = 64; else chansize = 32; tmp = RREG32(mmMC_SHARED_CHMAP); switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { case 0: default: numchan = 1; break; case 1: numchan = 2; break; case 2: numchan = 4; break; case 3: numchan = 8; break; case 4: numchan = 3; break; case 5: numchan = 6; break; case 6: numchan = 10; break; case 7: numchan = 12; break; case 8: numchan = 16; break; } adev->gmc.vram_width = numchan * chansize; } /* size in MB on si */ adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; if (!(adev->flags & AMD_IS_APU)) { r = amdgpu_device_resize_fb_bar(adev); if (r) return r; } adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); #ifdef CONFIG_X86_64 if ((adev->flags & AMD_IS_APU) && adev->gmc.real_vram_size > adev->gmc.aper_size && !amdgpu_passthrough(adev)) { adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22; adev->gmc.aper_size = adev->gmc.real_vram_size; } #endif adev->gmc.visible_vram_size = adev->gmc.aper_size; /* set the gart size */ if (amdgpu_gart_size == -1) { switch (adev->asic_type) { case CHIP_TOPAZ: /* no MM engines */ default: adev->gmc.gart_size = 256ULL << 20; break; #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */ case CHIP_HAWAII: /* UVD, VCE do not support GPUVM */ case CHIP_KAVERI: /* UVD, VCE do not support GPUVM */ case CHIP_KABINI: /* UVD, VCE do not support GPUVM */ case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */ adev->gmc.gart_size = 1024ULL << 20; break; #endif } } else { adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; } adev->gmc.gart_size += adev->pm.smu_prv_buffer_size; gmc_v7_0_vram_gtt_location(adev, &adev->gmc); return 0; } /** * gmc_v7_0_flush_gpu_tlb_pasid - tlb flush via pasid * * @adev: amdgpu_device pointer * @pasid: pasid to be flush * @flush_type: type of flush * @all_hub: flush all hubs * @inst: is used to select which instance of KIQ to use for the invalidation * * Flush the TLB for the requested pasid. */ static void gmc_v7_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t pasid, uint32_t flush_type, bool all_hub, uint32_t inst) { u32 mask = 0x0; int vmid; for (vmid = 1; vmid < 16; vmid++) { u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) && (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid) mask |= 1 << vmid; } WREG32(mmVM_INVALIDATE_REQUEST, mask); RREG32(mmVM_INVALIDATE_RESPONSE); } /* * GART * VMID 0 is the physical GPU addresses as used by the kernel. * VMIDs 1-15 are used for userspace clients and are handled * by the amdgpu vm/hsa code. */ /** * gmc_v7_0_flush_gpu_tlb - gart tlb flush callback * * @adev: amdgpu_device pointer * @vmid: vm instance to flush * @vmhub: which hub to flush * @flush_type: type of flush * * * Flush the TLB for the requested page table (CIK). */ static void gmc_v7_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, uint32_t vmhub, uint32_t flush_type) { /* bits 0-15 are the VM contexts0-15 */ WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } static uint64_t gmc_v7_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, unsigned int vmid, uint64_t pd_addr) { uint32_t reg; if (vmid < 8) reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid; else reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8; amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); /* bits 0-15 are the VM contexts0-15 */ amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); return pd_addr; } static void gmc_v7_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid, unsigned int pasid) { amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid); } static void gmc_v7_0_get_vm_pde(struct amdgpu_device *adev, int level, uint64_t *addr, uint64_t *flags) { BUG_ON(*addr & 0xFFFFFF0000000FFFULL); } static void gmc_v7_0_get_vm_pte(struct amdgpu_device *adev, struct amdgpu_bo_va_mapping *mapping, uint64_t *flags) { *flags &= ~AMDGPU_PTE_EXECUTABLE; *flags &= ~AMDGPU_PTE_PRT; } /** * gmc_v7_0_set_fault_enable_default - update VM fault handling * * @adev: amdgpu_device pointer * @value: true redirects VM faults to the default page */ static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); WREG32(mmVM_CONTEXT1_CNTL, tmp); } /** * gmc_v7_0_set_prt - set PRT VM fault * * @adev: amdgpu_device pointer * @enable: enable/disable VM fault handling for PRT */ static void gmc_v7_0_set_prt(struct amdgpu_device *adev, bool enable) { uint32_t tmp; if (enable && !adev->gmc.prt_warning) { dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n"); adev->gmc.prt_warning = true; } tmp = RREG32(mmVM_PRT_CNTL); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, L2_CACHE_STORE_INVALID_ENTRIES, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, L1_TLB_STORE_INVALID_ENTRIES, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, MASK_PDE0_FAULT, enable); WREG32(mmVM_PRT_CNTL, tmp); if (enable) { uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >> AMDGPU_GPU_PAGE_SHIFT; uint32_t high = adev->vm_manager.max_pfn - (AMDGPU_VA_RESERVED_TOP >> AMDGPU_GPU_PAGE_SHIFT); WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high); WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high); WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high); WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high); } else { WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0); WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0); WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0); WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0); } } /** * gmc_v7_0_gart_enable - gart enable * * @adev: amdgpu_device pointer * * This sets up the TLBs, programs the page tables for VMID0, * sets up the hw for VMIDs 1-15 which are allocated on * demand, and sets up the global locations for the LDS, GDS, * and GPUVM for FSA64 clients (CIK). * Returns 0 for success, errors for failure. */ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) { uint64_t table_addr; u32 tmp, field; int i; if (adev->gart.bo == NULL) { dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); return -EINVAL; } amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr); table_addr = amdgpu_bo_gpu_offset(adev->gart.bo); /* Setup TLB control */ tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ tmp = RREG32(mmVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); WREG32(mmVM_L2_CNTL, tmp); tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); WREG32(mmVM_L2_CNTL2, tmp); field = adev->vm_manager.fragment_size; tmp = RREG32(mmVM_L2_CNTL3); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field); WREG32(mmVM_L2_CNTL3, tmp); /* setup context0 */ WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT0_CNTL2, 0); tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); WREG32(mmVM_CONTEXT0_CNTL, tmp); WREG32(0x575, 0); WREG32(0x576, 0); WREG32(0x577, 0); /* empty context1-15 */ /* FIXME start with 4G, once using 2 level pt switch to full * vm size space */ /* set vm size, must be a multiple of 4 */ WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); for (i = 1; i < AMDGPU_NUM_VMID; i++) { if (i < 8) WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, table_addr >> 12); else WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, table_addr >> 12); } /* enable context1-15 */ WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT1_CNTL2, 4); tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, adev->vm_manager.block_size - 9); WREG32(mmVM_CONTEXT1_CNTL, tmp); if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) gmc_v7_0_set_fault_enable_default(adev, false); else gmc_v7_0_set_fault_enable_default(adev, true); if (adev->asic_type == CHIP_KAVERI) { tmp = RREG32(mmCHUB_CONTROL); tmp &= ~BYPASS_VM; WREG32(mmCHUB_CONTROL, tmp); } gmc_v7_0_flush_gpu_tlb(adev, 0, 0, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned int)(adev->gmc.gart_size >> 20), (unsigned long long)table_addr); return 0; } static int gmc_v7_0_gart_init(struct amdgpu_device *adev) { int r; if (adev->gart.bo) { WARN(1, "R600 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ r = amdgpu_gart_init(adev); if (r) return r; adev->gart.table_size = adev->gart.num_gpu_pages * 8; adev->gart.gart_pte_flags = 0; return amdgpu_gart_table_vram_alloc(adev); } /** * gmc_v7_0_gart_disable - gart disable * * @adev: amdgpu_device pointer * * This disables all VM page table (CIK). */ static void gmc_v7_0_gart_disable(struct amdgpu_device *adev) { u32 tmp; /* Disable all tables */ WREG32(mmVM_CONTEXT0_CNTL, 0); WREG32(mmVM_CONTEXT1_CNTL, 0); /* Setup TLB control */ tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ tmp = RREG32(mmVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); WREG32(mmVM_L2_CNTL, tmp); WREG32(mmVM_L2_CNTL2, 0); } /** * gmc_v7_0_vm_decode_fault - print human readable fault info * * @adev: amdgpu_device pointer * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value * @pasid: debug logging only - no functional use * * Print human readable fault information (CIK). */ static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev, u32 status, u32 addr, u32 mc_client, unsigned int pasid) { u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, PROTECTIONS); char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; u32 mc_id; mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_ID); dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", protections, vmid, pasid, addr, REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_RW) ? "write" : "read", block, mc_client, mc_id); } static const u32 mc_cg_registers[] = { mmMC_HUB_MISC_HUB_CG, mmMC_HUB_MISC_SIP_CG, mmMC_HUB_MISC_VM_CG, mmMC_XPB_CLK_GAT, mmATC_MISC_CG, mmMC_CITF_MISC_WR_CG, mmMC_CITF_MISC_RD_CG, mmMC_CITF_MISC_VM_CG, mmVM_L2_CG, }; static const u32 mc_cg_ls_en[] = { MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK, MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK, MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK, MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK, ATC_MISC_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK, VM_L2_CG__MEM_LS_ENABLE_MASK, }; static const u32 mc_cg_en[] = { MC_HUB_MISC_HUB_CG__ENABLE_MASK, MC_HUB_MISC_SIP_CG__ENABLE_MASK, MC_HUB_MISC_VM_CG__ENABLE_MASK, MC_XPB_CLK_GAT__ENABLE_MASK, ATC_MISC_CG__ENABLE_MASK, MC_CITF_MISC_WR_CG__ENABLE_MASK, MC_CITF_MISC_RD_CG__ENABLE_MASK, MC_CITF_MISC_VM_CG__ENABLE_MASK, VM_L2_CG__ENABLE_MASK, }; static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev, bool enable) { int i; u32 orig, data; for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) data |= mc_cg_ls_en[i]; else data &= ~mc_cg_ls_en[i]; if (data != orig) WREG32(mc_cg_registers[i], data); } } static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev, bool enable) { int i; u32 orig, data; for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) data |= mc_cg_en[i]; else data &= ~mc_cg_en[i]; if (data != orig) WREG32(mc_cg_registers[i], data); } } static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32_PCIE(ixPCIE_CNTL2); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1); } else { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0); } if (orig != data) WREG32_PCIE(ixPCIE_CNTL2, data); } static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32(mmHDP_HOST_PATH_CNTL); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG)) data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0); else data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1); if (orig != data) WREG32(mmHDP_HOST_PATH_CNTL, data); } static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32(mmHDP_MEM_POWER_LS); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS)) data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1); else data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0); if (orig != data) WREG32(mmHDP_MEM_POWER_LS, data); } static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type) { switch (mc_seq_vram_type) { case MC_SEQ_MISC0__MT__GDDR1: return AMDGPU_VRAM_TYPE_GDDR1; case MC_SEQ_MISC0__MT__DDR2: return AMDGPU_VRAM_TYPE_DDR2; case MC_SEQ_MISC0__MT__GDDR3: return AMDGPU_VRAM_TYPE_GDDR3; case MC_SEQ_MISC0__MT__GDDR4: return AMDGPU_VRAM_TYPE_GDDR4; case MC_SEQ_MISC0__MT__GDDR5: return AMDGPU_VRAM_TYPE_GDDR5; case MC_SEQ_MISC0__MT__HBM: return AMDGPU_VRAM_TYPE_HBM; case MC_SEQ_MISC0__MT__DDR3: return AMDGPU_VRAM_TYPE_DDR3; default: return AMDGPU_VRAM_TYPE_UNKNOWN; } } static int gmc_v7_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v7_0_set_gmc_funcs(adev); gmc_v7_0_set_irq_funcs(adev); adev->gmc.shared_aperture_start = 0x2000000000000000ULL; adev->gmc.shared_aperture_end = adev->gmc.shared_aperture_start + (4ULL << 30) - 1; adev->gmc.private_aperture_start = adev->gmc.shared_aperture_end + 1; adev->gmc.private_aperture_end = adev->gmc.private_aperture_start + (4ULL << 30) - 1; adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF; return 0; } static int gmc_v7_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); else return 0; } static unsigned int gmc_v7_0_get_vbios_fb_size(struct amdgpu_device *adev) { u32 d1vga_control = RREG32(mmD1VGA_CONTROL); unsigned int size; if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { size = AMDGPU_VBIOS_VGA_ALLOCATION; } else { u32 viewport = RREG32(mmVIEWPORT_SIZE); size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * 4); } return size; } static int gmc_v7_0_sw_init(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask); if (adev->flags & AMD_IS_APU) { adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; } else { u32 tmp = RREG32(mmMC_SEQ_MISC0); tmp &= MC_SEQ_MISC0__MT__MASK; adev->gmc.vram_type = gmc_v7_0_convert_vram_type(tmp); } r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault); if (r) return r; r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault); if (r) return r; /* Adjust VM size here. * Currently set to 4GB ((1 << 20) 4k pages). * Max GPUVM size for cayman and SI is 40 bits. */ amdgpu_vm_adjust_size(adev, 64, 9, 1, 40); /* Set the internal MC address mask * This is the max address of the GPU's * internal address space. */ adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40)); if (r) { pr_warn("No suitable DMA available\n"); return r; } adev->need_swiotlb = drm_need_swiotlb(40); r = gmc_v7_0_init_microcode(adev); if (r) { DRM_ERROR("Failed to load mc firmware!\n"); return r; } r = gmc_v7_0_mc_init(adev); if (r) return r; amdgpu_gmc_get_vbios_allocations(adev); /* Memory manager */ r = amdgpu_bo_init(adev); if (r) return r; r = gmc_v7_0_gart_init(adev); if (r) return r; /* * number of VMs * VMID 0 is reserved for System * amdgpu graphics/compute will use VMIDs 1-7 * amdkfd will use VMIDs 8-15 */ adev->vm_manager.first_kfd_vmid = 8; amdgpu_vm_manager_init(adev); /* base offset of vram pages */ if (adev->flags & AMD_IS_APU) { u64 tmp = RREG32(mmMC_VM_FB_OFFSET); tmp <<= 22; adev->vm_manager.vram_base_offset = tmp; } else { adev->vm_manager.vram_base_offset = 0; } adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info), GFP_KERNEL); if (!adev->gmc.vm_fault_info) return -ENOMEM; atomic_set(&adev->gmc.vm_fault_info_updated, 0); return 0; } static int gmc_v7_0_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_gem_force_release(adev); amdgpu_vm_manager_fini(adev); kfree(adev->gmc.vm_fault_info); amdgpu_gart_table_vram_free(adev); amdgpu_bo_fini(adev); amdgpu_ucode_release(&adev->gmc.fw); return 0; } static int gmc_v7_0_hw_init(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v7_0_init_golden_registers(adev); gmc_v7_0_mc_program(adev); if (!(adev->flags & AMD_IS_APU)) { r = gmc_v7_0_mc_load_microcode(adev); if (r) { DRM_ERROR("Failed to load MC firmware!\n"); return r; } } r = gmc_v7_0_gart_enable(adev); if (r) return r; if (amdgpu_emu_mode == 1) return amdgpu_gmc_vram_checking(adev); return 0; } static int gmc_v7_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); gmc_v7_0_gart_disable(adev); return 0; } static int gmc_v7_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v7_0_hw_fini(adev); return 0; } static int gmc_v7_0_resume(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; r = gmc_v7_0_hw_init(adev); if (r) return r; amdgpu_vmid_reset_all(adev); return 0; } static bool gmc_v7_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) return false; return true; } static int gmc_v7_0_wait_for_idle(void *handle) { unsigned int i; u32 tmp; struct amdgpu_device *adev = (struct amdgpu_device *)handle; for (i = 0; i < adev->usec_timeout; i++) { /* read MC_STATUS */ tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK); if (!tmp) return 0; udelay(1); } return -ETIMEDOUT; } static int gmc_v7_0_soft_reset(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 srbm_soft_reset = 0; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & SRBM_STATUS__VMC_BUSY_MASK) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { if (!(adev->flags & AMD_IS_APU)) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); } if (srbm_soft_reset) { gmc_v7_0_mc_stop(adev); if (gmc_v7_0_wait_for_idle((void *)adev)) dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); tmp = RREG32(mmSRBM_SOFT_RESET); tmp |= srbm_soft_reset; dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); WREG32(mmSRBM_SOFT_RESET, tmp); tmp = RREG32(mmSRBM_SOFT_RESET); udelay(50); tmp &= ~srbm_soft_reset; WREG32(mmSRBM_SOFT_RESET, tmp); tmp = RREG32(mmSRBM_SOFT_RESET); /* Wait a little for things to settle down */ udelay(50); gmc_v7_0_mc_resume(adev); udelay(50); } return 0; } static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned int type, enum amdgpu_interrupt_state state) { u32 tmp; u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); switch (state) { case AMDGPU_IRQ_STATE_DISABLE: /* system context */ tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp &= ~bits; WREG32(mmVM_CONTEXT0_CNTL, tmp); /* VMs */ tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp &= ~bits; WREG32(mmVM_CONTEXT1_CNTL, tmp); break; case AMDGPU_IRQ_STATE_ENABLE: /* system context */ tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp |= bits; WREG32(mmVM_CONTEXT0_CNTL, tmp); /* VMs */ tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp |= bits; WREG32(mmVM_CONTEXT1_CNTL, tmp); break; default: break; } return 0; } static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { u32 addr, status, mc_client, vmid; addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); /* reset addr and status */ WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); if (!addr && !status) return 0; amdgpu_vm_update_fault_cache(adev, entry->pasid, ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0)); if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v7_0_set_fault_enable_default(adev, false); if (printk_ratelimit()) { dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", entry->src_id, entry->src_data[0]); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", addr); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client, entry->pasid); } vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid) && !atomic_read(&adev->gmc.vm_fault_info_updated)) { struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info; u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, PROTECTIONS); info->vmid = vmid; info->mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_ID); info->status = status; info->page_addr = addr; info->prot_valid = protections & 0x7 ? true : false; info->prot_read = protections & 0x8 ? true : false; info->prot_write = protections & 0x10 ? true : false; info->prot_exec = protections & 0x20 ? true : false; mb(); atomic_set(&adev->gmc.vm_fault_info_updated, 1); } return 0; } static int gmc_v7_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { bool gate = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (state == AMD_CG_STATE_GATE) gate = true; if (!(adev->flags & AMD_IS_APU)) { gmc_v7_0_enable_mc_mgcg(adev, gate); gmc_v7_0_enable_mc_ls(adev, gate); } gmc_v7_0_enable_bif_mgls(adev, gate); gmc_v7_0_enable_hdp_mgcg(adev, gate); gmc_v7_0_enable_hdp_ls(adev, gate); return 0; } static int gmc_v7_0_set_powergating_state(void *handle, enum amd_powergating_state state) { return 0; } static const struct amd_ip_funcs gmc_v7_0_ip_funcs = { .name = "gmc_v7_0", .early_init = gmc_v7_0_early_init, .late_init = gmc_v7_0_late_init, .sw_init = gmc_v7_0_sw_init, .sw_fini = gmc_v7_0_sw_fini, .hw_init = gmc_v7_0_hw_init, .hw_fini = gmc_v7_0_hw_fini, .suspend = gmc_v7_0_suspend, .resume = gmc_v7_0_resume, .is_idle = gmc_v7_0_is_idle, .wait_for_idle = gmc_v7_0_wait_for_idle, .soft_reset = gmc_v7_0_soft_reset, .set_clockgating_state = gmc_v7_0_set_clockgating_state, .set_powergating_state = gmc_v7_0_set_powergating_state, .dump_ip_state = NULL, .print_ip_state = NULL, }; static const struct amdgpu_gmc_funcs gmc_v7_0_gmc_funcs = { .flush_gpu_tlb = gmc_v7_0_flush_gpu_tlb, .flush_gpu_tlb_pasid = gmc_v7_0_flush_gpu_tlb_pasid, .emit_flush_gpu_tlb = gmc_v7_0_emit_flush_gpu_tlb, .emit_pasid_mapping = gmc_v7_0_emit_pasid_mapping, .set_prt = gmc_v7_0_set_prt, .get_vm_pde = gmc_v7_0_get_vm_pde, .get_vm_pte = gmc_v7_0_get_vm_pte, .get_vbios_fb_size = gmc_v7_0_get_vbios_fb_size, }; static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = { .set = gmc_v7_0_vm_fault_interrupt_state, .process = gmc_v7_0_process_interrupt, }; static void gmc_v7_0_set_gmc_funcs(struct amdgpu_device *adev) { adev->gmc.gmc_funcs = &gmc_v7_0_gmc_funcs; } static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev) { adev->gmc.vm_fault.num_types = 1; adev->gmc.vm_fault.funcs = &gmc_v7_0_irq_funcs; } const struct amdgpu_ip_block_version gmc_v7_0_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 7, .minor = 0, .rev = 0, .funcs = &gmc_v7_0_ip_funcs, }; const struct amdgpu_ip_block_version gmc_v7_4_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 7, .minor = 4, .rev = 0, .funcs = &gmc_v7_0_ip_funcs, };
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