diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 196 |
1 files changed, 147 insertions, 49 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 9c5df35f05b7..aa9ee5dffa45 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -123,6 +123,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, case AMDGPU_PL_GWS: case AMDGPU_PL_OA: case AMDGPU_PL_DOORBELL: + case AMDGPU_PL_MMIO_REMAP: placement->num_placement = 0; return; @@ -226,7 +227,8 @@ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo, r = amdgpu_job_alloc_with_ib(adev, &adev->mman.high_pr, AMDGPU_FENCE_OWNER_UNDEFINED, num_dw * 4 + num_bytes, - AMDGPU_IB_POOL_DELAYED, &job); + AMDGPU_IB_POOL_DELAYED, &job, + AMDGPU_KERNEL_JOB_ID_TTM_MAP_BUFFER); if (r) return r; @@ -299,7 +301,8 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev, struct amdgpu_bo *abo_src, *abo_dst; if (!adev->mman.buffer_funcs_enabled) { - DRM_ERROR("Trying to move memory with ring turned off.\n"); + dev_err(adev->dev, + "Trying to move memory with ring turned off.\n"); return -EINVAL; } @@ -405,7 +408,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo, struct dma_fence *wipe_fence = NULL; r = amdgpu_fill_buffer(abo, 0, NULL, &wipe_fence, - false); + false, AMDGPU_KERNEL_JOB_ID_MOVE_BLIT); if (r) { goto error; } else if (wipe_fence) { @@ -446,7 +449,8 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev, return false; if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT || - res->mem_type == AMDGPU_PL_PREEMPT || res->mem_type == AMDGPU_PL_DOORBELL) + res->mem_type == AMDGPU_PL_PREEMPT || res->mem_type == AMDGPU_PL_DOORBELL || + res->mem_type == AMDGPU_PL_MMIO_REMAP) return true; if (res->mem_type != TTM_PL_VRAM) @@ -537,10 +541,12 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, old_mem->mem_type == AMDGPU_PL_GWS || old_mem->mem_type == AMDGPU_PL_OA || old_mem->mem_type == AMDGPU_PL_DOORBELL || + old_mem->mem_type == AMDGPU_PL_MMIO_REMAP || new_mem->mem_type == AMDGPU_PL_GDS || new_mem->mem_type == AMDGPU_PL_GWS || new_mem->mem_type == AMDGPU_PL_OA || - new_mem->mem_type == AMDGPU_PL_DOORBELL) { + new_mem->mem_type == AMDGPU_PL_DOORBELL || + new_mem->mem_type == AMDGPU_PL_MMIO_REMAP) { /* Nothing to save here */ amdgpu_bo_move_notify(bo, evict, new_mem); ttm_bo_move_null(bo, new_mem); @@ -628,6 +634,12 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, mem->bus.is_iomem = true; mem->bus.caching = ttm_uncached; break; + case AMDGPU_PL_MMIO_REMAP: + mem->bus.offset = mem->start << PAGE_SHIFT; + mem->bus.offset += adev->rmmio_remap.bus_addr; + mem->bus.is_iomem = true; + mem->bus.caching = ttm_uncached; + break; default: return -EINVAL; } @@ -645,6 +657,8 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo, if (bo->resource->mem_type == AMDGPU_PL_DOORBELL) return ((uint64_t)(adev->doorbell.base + cursor.start)) >> PAGE_SHIFT; + else if (bo->resource->mem_type == AMDGPU_PL_MMIO_REMAP) + return ((uint64_t)(adev->rmmio_remap.bus_addr + cursor.start)) >> PAGE_SHIFT; return (adev->gmc.aper_base + cursor.start) >> PAGE_SHIFT; } @@ -694,7 +708,7 @@ struct amdgpu_ttm_tt { * Calling function must call amdgpu_ttm_tt_userptr_range_done() once and only * once afterwards to stop HMM tracking */ -int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages, +int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct hmm_range **range) { struct ttm_tt *ttm = bo->tbo.ttm; @@ -731,7 +745,7 @@ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages, readonly = amdgpu_ttm_tt_is_readonly(ttm); r = amdgpu_hmm_range_get_pages(&bo->notifier, start, ttm->num_pages, - readonly, NULL, pages, range); + readonly, NULL, range); out_unlock: mmap_read_unlock(mm); if (r) @@ -783,12 +797,12 @@ bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm, * that backs user memory and will ultimately be mapped into the device * address space. */ -void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages) +void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct hmm_range *range) { unsigned long i; for (i = 0; i < ttm->num_pages; ++i) - ttm->pages[i] = pages ? pages[i] : NULL; + ttm->pages[i] = range ? hmm_pfn_to_page(range->hmm_pfns[i]) : NULL; } /* @@ -934,7 +948,7 @@ static int amdgpu_ttm_backend_bind(struct ttm_device *bdev, if (gtt->userptr) { r = amdgpu_ttm_tt_pin_userptr(bdev, ttm); if (r) { - DRM_ERROR("failed to pin userptr\n"); + dev_err(adev->dev, "failed to pin userptr\n"); return r; } } else if (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) { @@ -1060,7 +1074,7 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev, /* if the pages have userptr pinning then clear that first */ if (gtt->userptr) { amdgpu_ttm_tt_unpin_userptr(bdev, ttm); - } else if (ttm->sg && gtt->gobj->import_attach) { + } else if (ttm->sg && drm_gem_is_imported(gtt->gobj)) { struct dma_buf_attachment *attach; attach = gtt->gobj->import_attach; @@ -1354,7 +1368,8 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem) if (mem && (mem->mem_type == TTM_PL_TT || mem->mem_type == AMDGPU_PL_DOORBELL || - mem->mem_type == AMDGPU_PL_PREEMPT)) { + mem->mem_type == AMDGPU_PL_PREEMPT || + mem->mem_type == AMDGPU_PL_MMIO_REMAP)) { flags |= AMDGPU_PTE_SYSTEM; if (ttm->caching == ttm_cached) @@ -1509,7 +1524,8 @@ static int amdgpu_ttm_access_memory_sdma(struct ttm_buffer_object *bo, r = amdgpu_job_alloc_with_ib(adev, &adev->mman.high_pr, AMDGPU_FENCE_OWNER_UNDEFINED, num_dw * 4, AMDGPU_IB_POOL_DELAYED, - &job); + &job, + AMDGPU_KERNEL_JOB_ID_TTM_ACCESS_MEMORY_SDMA); if (r) goto out; @@ -1781,7 +1797,7 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) &ctx->c2p_bo, NULL); if (ret) { - DRM_ERROR("alloc c2p_bo failed(%d)!\n", ret); + dev_err(adev->dev, "alloc c2p_bo failed(%d)!\n", ret); amdgpu_ttm_training_reserve_vram_fini(adev); return ret; } @@ -1793,7 +1809,7 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) adev, adev->gmc.real_vram_size - reserve_size, reserve_size, &adev->mman.fw_reserved_memory, NULL); if (ret) { - DRM_ERROR("alloc tmr failed(%d)!\n", ret); + dev_err(adev->dev, "alloc tmr failed(%d)!\n", ret); amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory, NULL, NULL); return ret; @@ -1840,6 +1856,59 @@ static void amdgpu_ttm_pools_fini(struct amdgpu_device *adev) adev->mman.ttm_pools = NULL; } +/** + * amdgpu_ttm_mmio_remap_bo_init - Allocate the singleton 4K MMIO_REMAP BO + * @adev: amdgpu device + * + * Allocates a one-page (4K) GEM BO in AMDGPU_GEM_DOMAIN_MMIO_REMAP when the + * hardware exposes a remap base (adev->rmmio_remap.bus_addr) and the host + * PAGE_SIZE is <= AMDGPU_GPU_PAGE_SIZE (4K). The BO is created as a regular + * GEM object (amdgpu_bo_create). + * + * Return: + * * 0 on success or intentional skip (feature not present/unsupported) + * * negative errno on allocation failure + */ +static int amdgpu_ttm_mmio_remap_bo_init(struct amdgpu_device *adev) +{ + struct amdgpu_bo_param bp; + int r; + + /* Skip if HW doesn't expose remap, or if PAGE_SIZE > AMDGPU_GPU_PAGE_SIZE (4K). */ + if (!adev->rmmio_remap.bus_addr || PAGE_SIZE > AMDGPU_GPU_PAGE_SIZE) + return 0; + + memset(&bp, 0, sizeof(bp)); + + /* Create exactly one GEM BO in the MMIO_REMAP domain. */ + bp.type = ttm_bo_type_device; /* userspace-mappable GEM */ + bp.size = AMDGPU_GPU_PAGE_SIZE; /* 4K */ + bp.byte_align = AMDGPU_GPU_PAGE_SIZE; + bp.domain = AMDGPU_GEM_DOMAIN_MMIO_REMAP; + bp.flags = 0; + bp.resv = NULL; + bp.bo_ptr_size = sizeof(struct amdgpu_bo); + + r = amdgpu_bo_create(adev, &bp, &adev->rmmio_remap.bo); + if (r) + return r; + + return 0; +} + +/** + * amdgpu_ttm_mmio_remap_bo_fini - Free the singleton MMIO_REMAP BO + * @adev: amdgpu device + * + * Frees the kernel-owned MMIO_REMAP BO if it was allocated by + * amdgpu_ttm_mmio_remap_bo_init(). + */ +static void amdgpu_ttm_mmio_remap_bo_fini(struct amdgpu_device *adev) +{ + amdgpu_bo_unref(&adev->rmmio_remap.bo); + adev->rmmio_remap.bo = NULL; +} + /* * amdgpu_ttm_init - Init the memory management (ttm) as well as various * gtt/vram related fields. @@ -1864,22 +1933,25 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) adev->need_swiotlb, dma_addressing_limited(adev->dev)); if (r) { - DRM_ERROR("failed initializing buffer object driver(%d).\n", r); + dev_err(adev->dev, + "failed initializing buffer object driver(%d).\n", r); return r; } r = amdgpu_ttm_pools_init(adev); if (r) { - DRM_ERROR("failed to init ttm pools(%d).\n", r); + dev_err(adev->dev, "failed to init ttm pools(%d).\n", r); return r; } adev->mman.initialized = true; - /* Initialize VRAM pool with all of VRAM divided into pages */ - r = amdgpu_vram_mgr_init(adev); - if (r) { - DRM_ERROR("Failed initializing VRAM heap.\n"); - return r; + if (!adev->gmc.is_app_apu) { + /* Initialize VRAM pool with all of VRAM divided into pages */ + r = amdgpu_vram_mgr_init(adev); + if (r) { + dev_err(adev->dev, "Failed initializing VRAM heap.\n"); + return r; + } } /* Change the size here instead of the init above so only lpfn is affected */ @@ -1958,7 +2030,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) DRM_DEBUG_DRIVER("Skipped stolen memory reservation\n"); } - DRM_INFO("amdgpu: %uM of VRAM memory ready\n", + dev_info(adev->dev, "amdgpu: %uM of VRAM memory ready\n", (unsigned int)(adev->gmc.real_vram_size / (1024 * 1024))); /* Compute GTT size, either based on TTM limit @@ -1981,10 +2053,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) /* Initialize GTT memory pool */ r = amdgpu_gtt_mgr_init(adev, gtt_size); if (r) { - DRM_ERROR("Failed initializing GTT heap.\n"); + dev_err(adev->dev, "Failed initializing GTT heap.\n"); return r; } - DRM_INFO("amdgpu: %uM of GTT memory ready.\n", + dev_info(adev->dev, "amdgpu: %uM of GTT memory ready.\n", (unsigned int)(gtt_size / (1024 * 1024))); if (adev->flags & AMD_IS_APU) { @@ -1995,40 +2067,52 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) /* Initialize doorbell pool on PCI BAR */ r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_DOORBELL, adev->doorbell.size / PAGE_SIZE); if (r) { - DRM_ERROR("Failed initializing doorbell heap.\n"); + dev_err(adev->dev, "Failed initializing doorbell heap.\n"); return r; } /* Create a boorbell page for kernel usages */ r = amdgpu_doorbell_create_kernel_doorbells(adev); if (r) { - DRM_ERROR("Failed to initialize kernel doorbells.\n"); + dev_err(adev->dev, "Failed to initialize kernel doorbells.\n"); + return r; + } + + /* Initialize MMIO-remap pool (single page 4K) */ + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_MMIO_REMAP, 1); + if (r) { + dev_err(adev->dev, "Failed initializing MMIO-remap heap.\n"); return r; } + /* Allocate the singleton MMIO_REMAP BO (4K) if supported */ + r = amdgpu_ttm_mmio_remap_bo_init(adev); + if (r) + return r; + /* Initialize preemptible memory pool */ r = amdgpu_preempt_mgr_init(adev); if (r) { - DRM_ERROR("Failed initializing PREEMPT heap.\n"); + dev_err(adev->dev, "Failed initializing PREEMPT heap.\n"); return r; } /* Initialize various on-chip memory pools */ r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_GDS, adev->gds.gds_size); if (r) { - DRM_ERROR("Failed initializing GDS heap.\n"); + dev_err(adev->dev, "Failed initializing GDS heap.\n"); return r; } r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_GWS, adev->gds.gws_size); if (r) { - DRM_ERROR("Failed initializing gws heap.\n"); + dev_err(adev->dev, "Failed initializing gws heap.\n"); return r; } r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_OA, adev->gds.oa_size); if (r) { - DRM_ERROR("Failed initializing oa heap.\n"); + dev_err(adev->dev, "Failed initializing oa heap.\n"); return r; } if (amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE, @@ -2060,12 +2144,16 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) /* return the FW reserved memory back to VRAM */ amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory_extend, NULL, + NULL); if (adev->mman.stolen_reserved_size) amdgpu_bo_free_kernel(&adev->mman.stolen_reserved_memory, NULL, NULL); } amdgpu_bo_free_kernel(&adev->mman.sdma_access_bo, NULL, &adev->mman.sdma_access_ptr); + + amdgpu_ttm_mmio_remap_bo_fini(adev); amdgpu_ttm_fw_reserve_vram_fini(adev); amdgpu_ttm_drv_reserve_vram_fini(adev); @@ -2078,7 +2166,8 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) drm_dev_exit(idx); } - amdgpu_vram_mgr_fini(adev); + if (!adev->gmc.is_app_apu) + amdgpu_vram_mgr_fini(adev); amdgpu_gtt_mgr_fini(adev); amdgpu_preempt_mgr_fini(adev); amdgpu_doorbell_fini(adev); @@ -2087,9 +2176,10 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS); ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA); ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_DOORBELL); + ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_MMIO_REMAP); ttm_device_fini(&adev->mman.bdev); adev->mman.initialized = false; - DRM_INFO("amdgpu: ttm finalized\n"); + dev_info(adev->dev, "amdgpu: ttm finalized\n"); } /** @@ -2121,8 +2211,9 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) DRM_SCHED_PRIORITY_KERNEL, &sched, 1, NULL); if (r) { - DRM_ERROR("Failed setting up TTM BO move entity (%d)\n", - r); + dev_err(adev->dev, + "Failed setting up TTM BO move entity (%d)\n", + r); return; } @@ -2130,8 +2221,9 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) DRM_SCHED_PRIORITY_NORMAL, &sched, 1, NULL); if (r) { - DRM_ERROR("Failed setting up TTM BO move entity (%d)\n", - r); + dev_err(adev->dev, + "Failed setting up TTM BO move entity (%d)\n", + r); goto error_free_entity; } } else { @@ -2161,7 +2253,7 @@ static int amdgpu_ttm_prepare_job(struct amdgpu_device *adev, struct dma_resv *resv, bool vm_needs_flush, struct amdgpu_job **job, - bool delayed) + bool delayed, u64 k_job_id) { enum amdgpu_ib_pool_type pool = direct_submit ? AMDGPU_IB_POOL_DIRECT : @@ -2171,7 +2263,7 @@ static int amdgpu_ttm_prepare_job(struct amdgpu_device *adev, &adev->mman.high_pr; r = amdgpu_job_alloc_with_ib(adev, entity, AMDGPU_FENCE_OWNER_UNDEFINED, - num_dw * 4, pool, job); + num_dw * 4, pool, job, k_job_id); if (r) return r; @@ -2202,7 +2294,8 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, int r; if (!direct_submit && !ring->sched.ready) { - DRM_ERROR("Trying to move memory with ring turned off.\n"); + dev_err(adev->dev, + "Trying to move memory with ring turned off.\n"); return -EINVAL; } @@ -2210,7 +2303,8 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, num_loops = DIV_ROUND_UP(byte_count, max_bytes); num_dw = ALIGN(num_loops * adev->mman.buffer_funcs->copy_num_dw, 8); r = amdgpu_ttm_prepare_job(adev, direct_submit, num_dw, - resv, vm_needs_flush, &job, false); + resv, vm_needs_flush, &job, false, + AMDGPU_KERNEL_JOB_ID_TTM_COPY_BUFFER); if (r) return r; @@ -2237,7 +2331,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, error_free: amdgpu_job_free(job); - DRM_ERROR("Error scheduling IBs (%d)\n", r); + dev_err(adev->dev, "Error scheduling IBs (%d)\n", r); return r; } @@ -2245,7 +2339,8 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_ring *ring, uint32_t src_data, uint64_t dst_addr, uint32_t byte_count, struct dma_resv *resv, struct dma_fence **fence, - bool vm_needs_flush, bool delayed) + bool vm_needs_flush, bool delayed, + u64 k_job_id) { struct amdgpu_device *adev = ring->adev; unsigned int num_loops, num_dw; @@ -2258,7 +2353,7 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_ring *ring, uint32_t src_data, num_loops = DIV_ROUND_UP_ULL(byte_count, max_bytes); num_dw = ALIGN(num_loops * adev->mman.buffer_funcs->fill_num_dw, 8); r = amdgpu_ttm_prepare_job(adev, false, num_dw, resv, vm_needs_flush, - &job, delayed); + &job, delayed, k_job_id); if (r) return r; @@ -2328,7 +2423,8 @@ int amdgpu_ttm_clear_buffer(struct amdgpu_bo *bo, goto err; r = amdgpu_ttm_fill_mem(ring, 0, addr, size, resv, - &next, true, true); + &next, true, true, + AMDGPU_KERNEL_JOB_ID_TTM_CLEAR_BUFFER); if (r) goto err; @@ -2347,7 +2443,8 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, uint32_t src_data, struct dma_resv *resv, struct dma_fence **f, - bool delayed) + bool delayed, + u64 k_job_id) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; @@ -2356,7 +2453,8 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, int r; if (!adev->mman.buffer_funcs_enabled) { - DRM_ERROR("Trying to clear memory with ring turned off.\n"); + dev_err(adev->dev, + "Trying to clear memory with ring turned off.\n"); return -EINVAL; } @@ -2376,7 +2474,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, goto error; r = amdgpu_ttm_fill_mem(ring, src_data, to, cur_size, resv, - &next, true, delayed); + &next, true, delayed, k_job_id); if (r) goto error; @@ -2416,7 +2514,7 @@ int amdgpu_ttm_evict_resources(struct amdgpu_device *adev, int mem_type) man = ttm_manager_type(&adev->mman.bdev, mem_type); break; default: - DRM_ERROR("Trying to evict invalid memory type\n"); + dev_err(adev->dev, "Trying to evict invalid memory type\n"); return -EINVAL; } |