diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 777 |
1 files changed, 491 insertions, 286 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index bc746131987f..e4bb435e614b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -42,7 +42,9 @@ #include <linux/swap.h> #include <linux/pagemap.h> #include <linux/debugfs.h> +#include <linux/iommu.h> #include "amdgpu.h" +#include "amdgpu_object.h" #include "amdgpu_trace.h" #include "bif/bif_4_1_d.h" @@ -74,7 +76,7 @@ static int amdgpu_ttm_global_init(struct amdgpu_device *adev) { struct drm_global_reference *global_ref; struct amdgpu_ring *ring; - struct amd_sched_rq *rq; + struct drm_sched_rq *rq; int r; adev->mman.mem_global_referenced = false; @@ -106,9 +108,9 @@ static int amdgpu_ttm_global_init(struct amdgpu_device *adev) mutex_init(&adev->mman.gtt_window_lock); ring = adev->mman.buffer_funcs_ring; - rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_KERNEL]; - r = amd_sched_entity_init(&ring->sched, &adev->mman.entity, - rq, amdgpu_sched_jobs); + rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_KERNEL]; + r = drm_sched_entity_init(&ring->sched, &adev->mman.entity, + rq, amdgpu_sched_jobs, NULL); if (r) { DRM_ERROR("Failed setting up TTM BO move run queue.\n"); goto error_entity; @@ -129,7 +131,7 @@ error_mem: static void amdgpu_ttm_global_fini(struct amdgpu_device *adev) { if (adev->mman.mem_global_referenced) { - amd_sched_entity_fini(adev->mman.entity.sched, + drm_sched_entity_fini(adev->mman.entity.sched, &adev->mman.entity); mutex_destroy(&adev->mman.gtt_window_lock); drm_global_item_unref(&adev->mman.bo_global_ref.ref); @@ -208,7 +210,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, placement->num_busy_placement = 1; return; } - abo = container_of(bo, struct amdgpu_bo, tbo); + abo = ttm_to_amdgpu_bo(bo); switch (bo->mem.mem_type) { case TTM_PL_VRAM: if (adev->mman.buffer_funcs && @@ -256,7 +258,7 @@ gtt: static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) { - struct amdgpu_bo *abo = container_of(bo, struct amdgpu_bo, tbo); + struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo); if (amdgpu_ttm_tt_get_usermm(bo->ttm)) return -EPERM; @@ -280,114 +282,192 @@ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo, { uint64_t addr = 0; - if (mem->mem_type != TTM_PL_TT || - amdgpu_gtt_mgr_is_allocated(mem)) { + if (mem->mem_type != TTM_PL_TT || amdgpu_gtt_mgr_has_gart_addr(mem)) { addr = mm_node->start << PAGE_SHIFT; addr += bo->bdev->man[mem->mem_type].gpu_offset; } return addr; } -static int amdgpu_move_blit(struct ttm_buffer_object *bo, - bool evict, bool no_wait_gpu, - struct ttm_mem_reg *new_mem, - struct ttm_mem_reg *old_mem) +/** + * amdgpu_find_mm_node - Helper function finds the drm_mm_node + * corresponding to @offset. It also modifies the offset to be + * within the drm_mm_node returned + */ +static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_mem_reg *mem, + unsigned long *offset) { - struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); - struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + struct drm_mm_node *mm_node = mem->mm_node; - struct drm_mm_node *old_mm, *new_mm; - uint64_t old_start, old_size, new_start, new_size; - unsigned long num_pages; - struct dma_fence *fence = NULL; - int r; + while (*offset >= (mm_node->size << PAGE_SHIFT)) { + *offset -= (mm_node->size << PAGE_SHIFT); + ++mm_node; + } + return mm_node; +} - BUILD_BUG_ON((PAGE_SIZE % AMDGPU_GPU_PAGE_SIZE) != 0); +/** + * amdgpu_copy_ttm_mem_to_mem - Helper function for copy + * + * The function copies @size bytes from {src->mem + src->offset} to + * {dst->mem + dst->offset}. src->bo and dst->bo could be same BO for a + * move and different for a BO to BO copy. + * + * @f: Returns the last fence if multiple jobs are submitted. + */ +int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev, + struct amdgpu_copy_mem *src, + struct amdgpu_copy_mem *dst, + uint64_t size, + struct reservation_object *resv, + struct dma_fence **f) +{ + struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + struct drm_mm_node *src_mm, *dst_mm; + uint64_t src_node_start, dst_node_start, src_node_size, + dst_node_size, src_page_offset, dst_page_offset; + struct dma_fence *fence = NULL; + int r = 0; + const uint64_t GTT_MAX_BYTES = (AMDGPU_GTT_MAX_TRANSFER_SIZE * + AMDGPU_GPU_PAGE_SIZE); if (!ring->ready) { DRM_ERROR("Trying to move memory with ring turned off.\n"); return -EINVAL; } - old_mm = old_mem->mm_node; - old_size = old_mm->size; - old_start = amdgpu_mm_node_addr(bo, old_mm, old_mem); + src_mm = amdgpu_find_mm_node(src->mem, &src->offset); + src_node_start = amdgpu_mm_node_addr(src->bo, src_mm, src->mem) + + src->offset; + src_node_size = (src_mm->size << PAGE_SHIFT) - src->offset; + src_page_offset = src_node_start & (PAGE_SIZE - 1); - new_mm = new_mem->mm_node; - new_size = new_mm->size; - new_start = amdgpu_mm_node_addr(bo, new_mm, new_mem); + dst_mm = amdgpu_find_mm_node(dst->mem, &dst->offset); + dst_node_start = amdgpu_mm_node_addr(dst->bo, dst_mm, dst->mem) + + dst->offset; + dst_node_size = (dst_mm->size << PAGE_SHIFT) - dst->offset; + dst_page_offset = dst_node_start & (PAGE_SIZE - 1); - num_pages = new_mem->num_pages; mutex_lock(&adev->mman.gtt_window_lock); - while (num_pages) { - unsigned long cur_pages = min(min(old_size, new_size), - (u64)AMDGPU_GTT_MAX_TRANSFER_SIZE); - uint64_t from = old_start, to = new_start; + + while (size) { + unsigned long cur_size; + uint64_t from = src_node_start, to = dst_node_start; struct dma_fence *next; - if (old_mem->mem_type == TTM_PL_TT && - !amdgpu_gtt_mgr_is_allocated(old_mem)) { - r = amdgpu_map_buffer(bo, old_mem, cur_pages, - old_start, 0, ring, &from); + /* Copy size cannot exceed GTT_MAX_BYTES. So if src or dst + * begins at an offset, then adjust the size accordingly + */ + cur_size = min3(min(src_node_size, dst_node_size), size, + GTT_MAX_BYTES); + if (cur_size + src_page_offset > GTT_MAX_BYTES || + cur_size + dst_page_offset > GTT_MAX_BYTES) + cur_size -= max(src_page_offset, dst_page_offset); + + /* Map only what needs to be accessed. Map src to window 0 and + * dst to window 1 + */ + if (src->mem->mem_type == TTM_PL_TT && + !amdgpu_gtt_mgr_has_gart_addr(src->mem)) { + r = amdgpu_map_buffer(src->bo, src->mem, + PFN_UP(cur_size + src_page_offset), + src_node_start, 0, ring, + &from); if (r) goto error; + /* Adjust the offset because amdgpu_map_buffer returns + * start of mapped page + */ + from += src_page_offset; } - if (new_mem->mem_type == TTM_PL_TT && - !amdgpu_gtt_mgr_is_allocated(new_mem)) { - r = amdgpu_map_buffer(bo, new_mem, cur_pages, - new_start, 1, ring, &to); + if (dst->mem->mem_type == TTM_PL_TT && + !amdgpu_gtt_mgr_has_gart_addr(dst->mem)) { + r = amdgpu_map_buffer(dst->bo, dst->mem, + PFN_UP(cur_size + dst_page_offset), + dst_node_start, 1, ring, + &to); if (r) goto error; + to += dst_page_offset; } - r = amdgpu_copy_buffer(ring, from, to, - cur_pages * PAGE_SIZE, - bo->resv, &next, false, true); + r = amdgpu_copy_buffer(ring, from, to, cur_size, + resv, &next, false, true); if (r) goto error; dma_fence_put(fence); fence = next; - num_pages -= cur_pages; - if (!num_pages) + size -= cur_size; + if (!size) break; - old_size -= cur_pages; - if (!old_size) { - old_start = amdgpu_mm_node_addr(bo, ++old_mm, old_mem); - old_size = old_mm->size; + src_node_size -= cur_size; + if (!src_node_size) { + src_node_start = amdgpu_mm_node_addr(src->bo, ++src_mm, + src->mem); + src_node_size = (src_mm->size << PAGE_SHIFT); } else { - old_start += cur_pages * PAGE_SIZE; + src_node_start += cur_size; + src_page_offset = src_node_start & (PAGE_SIZE - 1); } - - new_size -= cur_pages; - if (!new_size) { - new_start = amdgpu_mm_node_addr(bo, ++new_mm, new_mem); - new_size = new_mm->size; + dst_node_size -= cur_size; + if (!dst_node_size) { + dst_node_start = amdgpu_mm_node_addr(dst->bo, ++dst_mm, + dst->mem); + dst_node_size = (dst_mm->size << PAGE_SHIFT); } else { - new_start += cur_pages * PAGE_SIZE; + dst_node_start += cur_size; + dst_page_offset = dst_node_start & (PAGE_SIZE - 1); } } +error: mutex_unlock(&adev->mman.gtt_window_lock); + if (f) + *f = dma_fence_get(fence); + dma_fence_put(fence); + return r; +} + + +static int amdgpu_move_blit(struct ttm_buffer_object *bo, + bool evict, bool no_wait_gpu, + struct ttm_mem_reg *new_mem, + struct ttm_mem_reg *old_mem) +{ + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); + struct amdgpu_copy_mem src, dst; + struct dma_fence *fence = NULL; + int r; + + src.bo = bo; + dst.bo = bo; + src.mem = old_mem; + dst.mem = new_mem; + src.offset = 0; + dst.offset = 0; + + r = amdgpu_ttm_copy_mem_to_mem(adev, &src, &dst, + new_mem->num_pages << PAGE_SHIFT, + bo->resv, &fence); + if (r) + goto error; r = ttm_bo_pipeline_move(bo, fence, evict, new_mem); dma_fence_put(fence); return r; error: - mutex_unlock(&adev->mman.gtt_window_lock); - if (fence) dma_fence_wait(fence, false); dma_fence_put(fence); return r; } -static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, - bool evict, bool interruptible, - bool no_wait_gpu, +static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict, + struct ttm_operation_ctx *ctx, struct ttm_mem_reg *new_mem) { struct amdgpu_device *adev; @@ -407,8 +487,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, placements.fpfn = 0; placements.lpfn = 0; placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; - r = ttm_bo_mem_space(bo, &placement, &tmp_mem, - interruptible, no_wait_gpu); + r = ttm_bo_mem_space(bo, &placement, &tmp_mem, ctx); if (unlikely(r)) { return r; } @@ -418,23 +497,22 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, goto out_cleanup; } - r = ttm_tt_bind(bo->ttm, &tmp_mem); + r = ttm_tt_bind(bo->ttm, &tmp_mem, ctx); if (unlikely(r)) { goto out_cleanup; } - r = amdgpu_move_blit(bo, true, no_wait_gpu, &tmp_mem, old_mem); + r = amdgpu_move_blit(bo, true, ctx->no_wait_gpu, &tmp_mem, old_mem); if (unlikely(r)) { goto out_cleanup; } - r = ttm_bo_move_ttm(bo, interruptible, no_wait_gpu, new_mem); + r = ttm_bo_move_ttm(bo, ctx, new_mem); out_cleanup: ttm_bo_mem_put(bo, &tmp_mem); return r; } -static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, - bool evict, bool interruptible, - bool no_wait_gpu, +static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict, + struct ttm_operation_ctx *ctx, struct ttm_mem_reg *new_mem) { struct amdgpu_device *adev; @@ -454,16 +532,15 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, placements.fpfn = 0; placements.lpfn = 0; placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; - r = ttm_bo_mem_space(bo, &placement, &tmp_mem, - interruptible, no_wait_gpu); + r = ttm_bo_mem_space(bo, &placement, &tmp_mem, ctx); if (unlikely(r)) { return r; } - r = ttm_bo_move_ttm(bo, interruptible, no_wait_gpu, &tmp_mem); + r = ttm_bo_move_ttm(bo, ctx, &tmp_mem); if (unlikely(r)) { goto out_cleanup; } - r = amdgpu_move_blit(bo, true, no_wait_gpu, new_mem, old_mem); + r = amdgpu_move_blit(bo, true, ctx->no_wait_gpu, new_mem, old_mem); if (unlikely(r)) { goto out_cleanup; } @@ -472,10 +549,9 @@ out_cleanup: return r; } -static int amdgpu_bo_move(struct ttm_buffer_object *bo, - bool evict, bool interruptible, - bool no_wait_gpu, - struct ttm_mem_reg *new_mem) +static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, + struct ttm_operation_ctx *ctx, + struct ttm_mem_reg *new_mem) { struct amdgpu_device *adev; struct amdgpu_bo *abo; @@ -483,7 +559,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, int r; /* Can't move a pinned BO */ - abo = container_of(bo, struct amdgpu_bo, tbo); + abo = ttm_to_amdgpu_bo(bo); if (WARN_ON_ONCE(abo->pin_count > 0)) return -EINVAL; @@ -510,19 +586,18 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, if (old_mem->mem_type == TTM_PL_VRAM && new_mem->mem_type == TTM_PL_SYSTEM) { - r = amdgpu_move_vram_ram(bo, evict, interruptible, - no_wait_gpu, new_mem); + r = amdgpu_move_vram_ram(bo, evict, ctx, new_mem); } else if (old_mem->mem_type == TTM_PL_SYSTEM && new_mem->mem_type == TTM_PL_VRAM) { - r = amdgpu_move_ram_vram(bo, evict, interruptible, - no_wait_gpu, new_mem); + r = amdgpu_move_ram_vram(bo, evict, ctx, new_mem); } else { - r = amdgpu_move_blit(bo, evict, no_wait_gpu, new_mem, old_mem); + r = amdgpu_move_blit(bo, evict, ctx->no_wait_gpu, + new_mem, old_mem); } if (r) { memcpy: - r = ttm_bo_move_memcpy(bo, interruptible, no_wait_gpu, new_mem); + r = ttm_bo_move_memcpy(bo, ctx, new_mem); if (r) { return r; } @@ -581,13 +656,12 @@ static void amdgpu_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_re static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo, unsigned long page_offset) { - struct drm_mm_node *mm = bo->mem.mm_node; - uint64_t size = mm->size; - uint64_t offset = page_offset; + struct drm_mm_node *mm; + unsigned long offset = (page_offset << PAGE_SHIFT); - page_offset = do_div(offset, size); - mm += offset; - return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + page_offset; + mm = amdgpu_find_mm_node(&bo->mem, &offset); + return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + + (offset >> PAGE_SHIFT); } /* @@ -608,7 +682,7 @@ struct amdgpu_ttm_tt { spinlock_t guptasklock; struct list_head guptasks; atomic_t mmu_invalidations; - struct list_head list; + uint32_t last_set_pages; }; int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) @@ -621,6 +695,8 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) flags |= FOLL_WRITE; + down_read(¤t->mm->mmap_sem); + if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) { /* check that we only use anonymous memory to prevent problems with writeback */ @@ -628,8 +704,10 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) struct vm_area_struct *vma; vma = find_vma(gtt->usermm, gtt->userptr); - if (!vma || vma->vm_file || vma->vm_end < end) + if (!vma || vma->vm_file || vma->vm_end < end) { + up_read(¤t->mm->mmap_sem); return -EPERM; + } } do { @@ -656,42 +734,44 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) } while (pinned < ttm->num_pages); + up_read(¤t->mm->mmap_sem); return 0; release_pages: - release_pages(pages, pinned, 0); + release_pages(pages, pinned); + up_read(¤t->mm->mmap_sem); return r; } -static void amdgpu_trace_dma_map(struct ttm_tt *ttm) +void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; unsigned i; - if (unlikely(trace_amdgpu_ttm_tt_populate_enabled())) { - for (i = 0; i < ttm->num_pages; i++) { - trace_amdgpu_ttm_tt_populate( - adev, - gtt->ttm.dma_address[i], - page_to_phys(ttm->pages[i])); - } + gtt->last_set_pages = atomic_read(>t->mmu_invalidations); + for (i = 0; i < ttm->num_pages; ++i) { + if (ttm->pages[i]) + put_page(ttm->pages[i]); + + ttm->pages[i] = pages ? pages[i] : NULL; } } -static void amdgpu_trace_dma_unmap(struct ttm_tt *ttm) +void amdgpu_ttm_tt_mark_user_pages(struct ttm_tt *ttm) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; unsigned i; - if (unlikely(trace_amdgpu_ttm_tt_unpopulate_enabled())) { - for (i = 0; i < ttm->num_pages; i++) { - trace_amdgpu_ttm_tt_unpopulate( - adev, - gtt->ttm.dma_address[i], - page_to_phys(ttm->pages[i])); - } + for (i = 0; i < ttm->num_pages; ++i) { + struct page *page = ttm->pages[i]; + + if (!page) + continue; + + if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) + set_page_dirty(page); + + mark_page_accessed(page); } } @@ -721,8 +801,6 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm) drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages, gtt->ttm.dma_address, ttm->num_pages); - amdgpu_trace_dma_map(ttm); - return 0; release_sg: @@ -734,7 +812,6 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) { struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; - struct sg_page_iter sg_iter; int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY); enum dma_data_direction direction = write ? @@ -747,16 +824,7 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) /* free the sg table and pages again */ dma_unmap_sg(adev->dev, ttm->sg->sgl, ttm->sg->nents, direction); - for_each_sg_page(ttm->sg->sgl, &sg_iter, ttm->sg->nents, 0) { - struct page *page = sg_page_iter_page(&sg_iter); - if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) - set_page_dirty(page); - - mark_page_accessed(page); - put_page(page); - } - - amdgpu_trace_dma_unmap(ttm); + amdgpu_ttm_tt_mark_user_pages(ttm); sg_free_table(ttm->sg); } @@ -785,45 +853,35 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, bo_mem->mem_type == AMDGPU_PL_OA) return -EINVAL; - if (!amdgpu_gtt_mgr_is_allocated(bo_mem)) + if (!amdgpu_gtt_mgr_has_gart_addr(bo_mem)) { + gtt->offset = AMDGPU_BO_INVALID_OFFSET; return 0; + } - spin_lock(>t->adev->gtt_list_lock); flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem); gtt->offset = (u64)bo_mem->start << PAGE_SHIFT; r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages, ttm->pages, gtt->ttm.dma_address, flags); - if (r) { + if (r) DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", ttm->num_pages, gtt->offset); - goto error_gart_bind; - } - - list_add_tail(>t->list, >t->adev->gtt_list); -error_gart_bind: - spin_unlock(>t->adev->gtt_list_lock); return r; } -bool amdgpu_ttm_is_bound(struct ttm_tt *ttm) -{ - struct amdgpu_ttm_tt *gtt = (void *)ttm; - - return gtt && !list_empty(>t->list); -} - -int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) +int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); - struct ttm_tt *ttm = bo->ttm; + struct ttm_operation_ctx ctx = { false, false }; + struct amdgpu_ttm_tt *gtt = (void*)bo->ttm; struct ttm_mem_reg tmp; - struct ttm_placement placement; struct ttm_place placements; + uint64_t flags; int r; - if (!ttm || amdgpu_ttm_is_bound(ttm)) + if (bo->mem.mem_type != TTM_PL_TT || + amdgpu_gtt_mgr_has_gart_addr(&bo->mem)) return 0; tmp = bo->mem; @@ -834,45 +892,47 @@ int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) placement.busy_placement = &placements; placements.fpfn = 0; placements.lpfn = adev->mc.gart_size >> PAGE_SHIFT; - placements.flags = bo->mem.placement | TTM_PL_FLAG_TT; + placements.flags = (bo->mem.placement & ~TTM_PL_MASK_MEM) | + TTM_PL_FLAG_TT; - r = ttm_bo_mem_space(bo, &placement, &tmp, true, false); + r = ttm_bo_mem_space(bo, &placement, &tmp, &ctx); if (unlikely(r)) return r; - r = ttm_bo_move_ttm(bo, true, false, &tmp); - if (unlikely(r)) + flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, &tmp); + gtt->offset = (u64)tmp.start << PAGE_SHIFT; + r = amdgpu_gart_bind(adev, gtt->offset, bo->ttm->num_pages, + bo->ttm->pages, gtt->ttm.dma_address, flags); + if (unlikely(r)) { ttm_bo_mem_put(bo, &tmp); - else - bo->offset = (bo->mem.start << PAGE_SHIFT) + - bo->bdev->man[bo->mem.mem_type].gpu_offset; + return r; + } - return r; + ttm_bo_mem_put(bo, &bo->mem); + bo->mem = tmp; + bo->offset = (bo->mem.start << PAGE_SHIFT) + + bo->bdev->man[bo->mem.mem_type].gpu_offset; + + return 0; } -int amdgpu_ttm_recover_gart(struct amdgpu_device *adev) +int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo) { - struct amdgpu_ttm_tt *gtt, *tmp; - struct ttm_mem_reg bo_mem; + struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev); + struct amdgpu_ttm_tt *gtt = (void *)tbo->ttm; uint64_t flags; int r; - bo_mem.mem_type = TTM_PL_TT; - spin_lock(&adev->gtt_list_lock); - list_for_each_entry_safe(gtt, tmp, &adev->gtt_list, list) { - flags = amdgpu_ttm_tt_pte_flags(gtt->adev, >t->ttm.ttm, &bo_mem); - r = amdgpu_gart_bind(adev, gtt->offset, gtt->ttm.ttm.num_pages, - gtt->ttm.ttm.pages, gtt->ttm.dma_address, - flags); - if (r) { - spin_unlock(&adev->gtt_list_lock); - DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", - gtt->ttm.ttm.num_pages, gtt->offset); - return r; - } - } - spin_unlock(&adev->gtt_list_lock); - return 0; + if (!gtt) + return 0; + + flags = amdgpu_ttm_tt_pte_flags(adev, >t->ttm.ttm, &tbo->mem); + r = amdgpu_gart_bind(adev, gtt->offset, gtt->ttm.ttm.num_pages, + gtt->ttm.ttm.pages, gtt->ttm.dma_address, flags); + if (r) + DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", + gtt->ttm.ttm.num_pages, gtt->offset); + return r; } static int amdgpu_ttm_backend_unbind(struct ttm_tt *ttm) @@ -883,20 +943,14 @@ static int amdgpu_ttm_backend_unbind(struct ttm_tt *ttm) if (gtt->userptr) amdgpu_ttm_tt_unpin_userptr(ttm); - if (!amdgpu_ttm_is_bound(ttm)) + if (gtt->offset == AMDGPU_BO_INVALID_OFFSET) return 0; /* unbind shouldn't be done for GDS/GWS/OA in ttm_bo_clean_mm */ - spin_lock(>t->adev->gtt_list_lock); r = amdgpu_gart_unbind(gtt->adev, gtt->offset, ttm->num_pages); - if (r) { + if (r) DRM_ERROR("failed to unbind %lu pages at 0x%08llX\n", gtt->ttm.ttm.num_pages, gtt->offset); - goto error_unbind; - } - list_del_init(>t->list); -error_unbind: - spin_unlock(>t->adev->gtt_list_lock); return r; } @@ -933,16 +987,14 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev, kfree(gtt); return NULL; } - INIT_LIST_HEAD(>t->list); return >t->ttm.ttm; } -static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm) +static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm, + struct ttm_operation_ctx *ctx) { struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; - unsigned i; - int r; bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG); if (ttm->state != tt_unpopulated) @@ -962,52 +1014,26 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm) drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages, gtt->ttm.dma_address, ttm->num_pages); ttm->state = tt_unbound; - r = 0; - goto trace_mappings; + return 0; } #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { - r = ttm_dma_populate(>t->ttm, adev->dev); - goto trace_mappings; + return ttm_dma_populate(>t->ttm, adev->dev, ctx); } #endif - r = ttm_pool_populate(ttm); - if (r) { - return r; - } - - for (i = 0; i < ttm->num_pages; i++) { - gtt->ttm.dma_address[i] = pci_map_page(adev->pdev, ttm->pages[i], - 0, PAGE_SIZE, - PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(adev->pdev, gtt->ttm.dma_address[i])) { - while (i--) { - pci_unmap_page(adev->pdev, gtt->ttm.dma_address[i], - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - gtt->ttm.dma_address[i] = 0; - } - ttm_pool_unpopulate(ttm); - return -EFAULT; - } - } - - r = 0; -trace_mappings: - if (likely(!r)) - amdgpu_trace_dma_map(ttm); - return r; + return ttm_populate_and_map_pages(adev->dev, >t->ttm, ctx); } static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) { struct amdgpu_device *adev; struct amdgpu_ttm_tt *gtt = (void *)ttm; - unsigned i; bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG); if (gtt && gtt->userptr) { + amdgpu_ttm_tt_set_user_pages(ttm, NULL); kfree(ttm->sg); ttm->page_flags &= ~TTM_PAGE_FLAG_SG; return; @@ -1018,8 +1044,6 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) adev = amdgpu_ttm_adev(ttm->bdev); - amdgpu_trace_dma_unmap(ttm); - #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { ttm_dma_unpopulate(>t->ttm, adev->dev); @@ -1027,14 +1051,7 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) } #endif - for (i = 0; i < ttm->num_pages; i++) { - if (gtt->ttm.dma_address[i]) { - pci_unmap_page(adev->pdev, gtt->ttm.dma_address[i], - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - } - } - - ttm_pool_unpopulate(ttm); + ttm_unmap_and_unpopulate_pages(adev->dev, >t->ttm); } int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, @@ -1051,6 +1068,7 @@ int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, spin_lock_init(>t->guptasklock); INIT_LIST_HEAD(>t->guptasks); atomic_set(>t->mmu_invalidations, 0); + gtt->last_set_pages = 0; return 0; } @@ -1103,6 +1121,16 @@ bool amdgpu_ttm_tt_userptr_invalidated(struct ttm_tt *ttm, return prev_invalidated != *last_invalidated; } +bool amdgpu_ttm_tt_userptr_needs_pages(struct ttm_tt *ttm) +{ + struct amdgpu_ttm_tt *gtt = (void *)ttm; + + if (gtt == NULL || !gtt->userptr) + return false; + + return atomic_read(>t->mmu_invalidations) != gtt->last_set_pages; +} + bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; @@ -1143,9 +1171,6 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, unsigned long num_pages = bo->mem.num_pages; struct drm_mm_node *node = bo->mem.mm_node; - if (bo->mem.start != AMDGPU_BO_INVALID_OFFSET) - return ttm_bo_eviction_valuable(bo, place); - switch (bo->mem.mem_type) { case TTM_PL_TT: return true; @@ -1160,7 +1185,7 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, num_pages -= node->size; ++node; } - break; + return false; default: break; @@ -1173,9 +1198,9 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo, unsigned long offset, void *buf, int len, int write) { - struct amdgpu_bo *abo = container_of(bo, struct amdgpu_bo, tbo); + struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo); struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev); - struct drm_mm_node *nodes = abo->tbo.mem.mm_node; + struct drm_mm_node *nodes; uint32_t value = 0; int ret = 0; uint64_t pos; @@ -1184,10 +1209,7 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo, if (bo->mem.mem_type != TTM_PL_VRAM) return -EIO; - while (offset >= (nodes->size << PAGE_SHIFT)) { - offset -= nodes->size << PAGE_SHIFT; - ++nodes; - } + nodes = amdgpu_find_mm_node(&abo->tbo.mem, &offset); pos = (nodes->start << PAGE_SHIFT) + offset; while (len && pos < adev->mc.mc_vram_size) { @@ -1202,14 +1224,14 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo, } spin_lock_irqsave(&adev->mmio_idx_lock, flags); - WREG32(mmMM_INDEX, ((uint32_t)aligned_pos) | 0x80000000); - WREG32(mmMM_INDEX_HI, aligned_pos >> 31); + WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)aligned_pos) | 0x80000000); + WREG32_NO_KIQ(mmMM_INDEX_HI, aligned_pos >> 31); if (!write || mask != 0xffffffff) - value = RREG32(mmMM_DATA); + value = RREG32_NO_KIQ(mmMM_DATA); if (write) { value &= ~mask; value |= (*(uint32_t *)buf << shift) & mask; - WREG32(mmMM_DATA, value); + WREG32_NO_KIQ(mmMM_DATA, value); } spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); if (!write) { @@ -1248,6 +1270,101 @@ static struct ttm_bo_driver amdgpu_bo_driver = { .access_memory = &amdgpu_ttm_access_memory }; +/* + * Firmware Reservation functions + */ +/** + * amdgpu_ttm_fw_reserve_vram_fini - free fw reserved vram + * + * @adev: amdgpu_device pointer + * + * free fw reserved vram if it has been reserved. + */ +static void amdgpu_ttm_fw_reserve_vram_fini(struct amdgpu_device *adev) +{ + amdgpu_bo_free_kernel(&adev->fw_vram_usage.reserved_bo, + NULL, &adev->fw_vram_usage.va); +} + +/** + * amdgpu_ttm_fw_reserve_vram_init - create bo vram reservation from fw + * + * @adev: amdgpu_device pointer + * + * create bo vram reservation from fw. + */ +static int amdgpu_ttm_fw_reserve_vram_init(struct amdgpu_device *adev) +{ + struct ttm_operation_ctx ctx = { false, false }; + int r = 0; + int i; + u64 vram_size = adev->mc.visible_vram_size; + u64 offset = adev->fw_vram_usage.start_offset; + u64 size = adev->fw_vram_usage.size; + struct amdgpu_bo *bo; + + adev->fw_vram_usage.va = NULL; + adev->fw_vram_usage.reserved_bo = NULL; + + if (adev->fw_vram_usage.size > 0 && + adev->fw_vram_usage.size <= vram_size) { + + r = amdgpu_bo_create(adev, adev->fw_vram_usage.size, + PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, 0, + &adev->fw_vram_usage.reserved_bo); + if (r) + goto error_create; + + r = amdgpu_bo_reserve(adev->fw_vram_usage.reserved_bo, false); + if (r) + goto error_reserve; + + /* remove the original mem node and create a new one at the + * request position + */ + bo = adev->fw_vram_usage.reserved_bo; + offset = ALIGN(offset, PAGE_SIZE); + for (i = 0; i < bo->placement.num_placement; ++i) { + bo->placements[i].fpfn = offset >> PAGE_SHIFT; + bo->placements[i].lpfn = (offset + size) >> PAGE_SHIFT; + } + + ttm_bo_mem_put(&bo->tbo, &bo->tbo.mem); + r = ttm_bo_mem_space(&bo->tbo, &bo->placement, + &bo->tbo.mem, &ctx); + if (r) + goto error_pin; + + r = amdgpu_bo_pin_restricted(adev->fw_vram_usage.reserved_bo, + AMDGPU_GEM_DOMAIN_VRAM, + adev->fw_vram_usage.start_offset, + (adev->fw_vram_usage.start_offset + + adev->fw_vram_usage.size), NULL); + if (r) + goto error_pin; + r = amdgpu_bo_kmap(adev->fw_vram_usage.reserved_bo, + &adev->fw_vram_usage.va); + if (r) + goto error_kmap; + + amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo); + } + return r; + +error_kmap: + amdgpu_bo_unpin(adev->fw_vram_usage.reserved_bo); +error_pin: + amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo); +error_reserve: + amdgpu_bo_unref(&adev->fw_vram_usage.reserved_bo); +error_create: + adev->fw_vram_usage.va = NULL; + adev->fw_vram_usage.reserved_bo = NULL; + return r; +} + int amdgpu_ttm_init(struct amdgpu_device *adev) { uint64_t gtt_size; @@ -1286,6 +1403,15 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) /* Change the size here instead of the init above so only lpfn is affected */ amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); + /* + *The reserved vram for firmware must be pinned to the specified + *place on the VRAM, so reserve it early. + */ + r = amdgpu_ttm_fw_reserve_vram_init(adev); + if (r) { + return r; + } + r = amdgpu_bo_create_kernel(adev, adev->mc.stolen_size, PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, &adev->stolen_vga_memory, @@ -1295,9 +1421,14 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) DRM_INFO("amdgpu: %uM of VRAM memory ready\n", (unsigned) (adev->mc.real_vram_size / (1024 * 1024))); - if (amdgpu_gtt_size == -1) - gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), - adev->mc.mc_vram_size); + if (amdgpu_gtt_size == -1) { + struct sysinfo si; + + si_meminfo(&si); + gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), + adev->mc.mc_vram_size), + ((uint64_t)si.totalram * si.mem_unit * 3/4)); + } else gtt_size = (uint64_t)amdgpu_gtt_size << 20; r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT); @@ -1357,19 +1488,13 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) void amdgpu_ttm_fini(struct amdgpu_device *adev) { - int r; - if (!adev->mman.initialized) return; + amdgpu_ttm_debugfs_fini(adev); - if (adev->stolen_vga_memory) { - r = amdgpu_bo_reserve(adev->stolen_vga_memory, true); - if (r == 0) { - amdgpu_bo_unpin(adev->stolen_vga_memory); - amdgpu_bo_unreserve(adev->stolen_vga_memory); - } - amdgpu_bo_unref(&adev->stolen_vga_memory); - } + amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL); + amdgpu_ttm_fw_reserve_vram_fini(adev); + ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_VRAM); ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_TT); if (adev->gds.mem.total_size) @@ -1379,7 +1504,6 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) if (adev->gds.oa.total_size) ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_OA); ttm_bo_device_release(&adev->mman.bdev); - amdgpu_gart_fini(adev); amdgpu_ttm_global_fini(adev); adev->mman.initialized = false; DRM_INFO("amdgpu: ttm finalized\n"); @@ -1510,7 +1634,8 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, job->vm_needs_flush = vm_needs_flush; if (resv) { r = amdgpu_sync_resv(adev, &job->sync, resv, - AMDGPU_FENCE_OWNER_UNDEFINED); + AMDGPU_FENCE_OWNER_UNDEFINED, + false); if (r) { DRM_ERROR("sync failed (%d).\n", r); goto error_free; @@ -1557,8 +1682,8 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, struct dma_fence **fence) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); - /* max_bytes applies to SDMA_OP_PTEPDE as well as SDMA_OP_CONST_FILL*/ - uint32_t max_bytes = adev->mman.buffer_funcs->fill_max_bytes; + uint32_t max_bytes = 8 * + adev->vm_manager.vm_pte_funcs->set_max_nums_pte_pde; struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; struct drm_mm_node *mm_node; @@ -1574,7 +1699,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, } if (bo->tbo.mem.mem_type == TTM_PL_TT) { - r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem); + r = amdgpu_ttm_alloc_gart(&bo->tbo); if (r) return r; } @@ -1590,8 +1715,8 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, ++mm_node; } - /* 10 double words for each SDMA_OP_PTEPDE cmd */ - num_dw = num_loops * 10; + /* num of dwords for each SDMA_OP_PTEPDE cmd */ + num_dw = num_loops * adev->vm_manager.vm_pte_funcs->set_pte_pde_num_dw; /* for IB padding */ num_dw += 64; @@ -1602,7 +1727,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, if (resv) { r = amdgpu_sync_resv(adev, &job->sync, resv, - AMDGPU_FENCE_OWNER_UNDEFINED); + AMDGPU_FENCE_OWNER_UNDEFINED, false); if (r) { DRM_ERROR("sync failed (%d).\n", r); goto error_free; @@ -1697,9 +1822,9 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf, return result; spin_lock_irqsave(&adev->mmio_idx_lock, flags); - WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); - WREG32(mmMM_INDEX_HI, *pos >> 31); - value = RREG32(mmMM_DATA); + WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); + WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); + value = RREG32_NO_KIQ(mmMM_DATA); spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); r = put_user(value, (uint32_t *)buf); @@ -1715,10 +1840,50 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf, return result; } +static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + if (*pos >= adev->mc.mc_vram_size) + return -ENXIO; + + while (size) { + unsigned long flags; + uint32_t value; + + if (*pos >= adev->mc.mc_vram_size) + return result; + + r = get_user(value, (uint32_t *)buf); + if (r) + return r; + + spin_lock_irqsave(&adev->mmio_idx_lock, flags); + WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); + WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); + WREG32_NO_KIQ(mmMM_DATA, value); + spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + static const struct file_operations amdgpu_ttm_vram_fops = { .owner = THIS_MODULE, .read = amdgpu_ttm_vram_read, - .llseek = default_llseek + .write = amdgpu_ttm_vram_write, + .llseek = default_llseek, }; #ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS @@ -1770,6 +1935,53 @@ static const struct file_operations amdgpu_ttm_gtt_fops = { #endif +static ssize_t amdgpu_iova_to_phys_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + int r; + uint64_t phys; + struct iommu_domain *dom; + + // always return 8 bytes + if (size != 8) + return -EINVAL; + + // only accept page addresses + if (*pos & 0xFFF) + return -EINVAL; + + dom = iommu_get_domain_for_dev(adev->dev); + if (dom) + phys = iommu_iova_to_phys(dom, *pos); + else + phys = *pos; + + r = copy_to_user(buf, &phys, 8); + if (r) + return -EFAULT; + + return 8; +} + +static const struct file_operations amdgpu_ttm_iova_fops = { + .owner = THIS_MODULE, + .read = amdgpu_iova_to_phys_read, + .llseek = default_llseek +}; + +static const struct { + char *name; + const struct file_operations *fops; + int domain; +} ttm_debugfs_entries[] = { + { "amdgpu_vram", &amdgpu_ttm_vram_fops, TTM_PL_VRAM }, +#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS + { "amdgpu_gtt", &amdgpu_ttm_gtt_fops, TTM_PL_TT }, +#endif + { "amdgpu_iova", &amdgpu_ttm_iova_fops, TTM_PL_SYSTEM }, +}; + #endif static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev) @@ -1780,22 +1992,21 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev) struct drm_minor *minor = adev->ddev->primary; struct dentry *ent, *root = minor->debugfs_root; - ent = debugfs_create_file("amdgpu_vram", S_IFREG | S_IRUGO, root, - adev, &amdgpu_ttm_vram_fops); - if (IS_ERR(ent)) - return PTR_ERR(ent); - i_size_write(ent->d_inode, adev->mc.mc_vram_size); - adev->mman.vram = ent; - -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - ent = debugfs_create_file("amdgpu_gtt", S_IFREG | S_IRUGO, root, - adev, &amdgpu_ttm_gtt_fops); - if (IS_ERR(ent)) - return PTR_ERR(ent); - i_size_write(ent->d_inode, adev->mc.gart_size); - adev->mman.gtt = ent; + for (count = 0; count < ARRAY_SIZE(ttm_debugfs_entries); count++) { + ent = debugfs_create_file( + ttm_debugfs_entries[count].name, + S_IFREG | S_IRUGO, root, + adev, + ttm_debugfs_entries[count].fops); + if (IS_ERR(ent)) + return PTR_ERR(ent); + if (ttm_debugfs_entries[count].domain == TTM_PL_VRAM) + i_size_write(ent->d_inode, adev->mc.mc_vram_size); + else if (ttm_debugfs_entries[count].domain == TTM_PL_TT) + i_size_write(ent->d_inode, adev->mc.gart_size); + adev->mman.debugfs_entries[count] = ent; + } -#endif count = ARRAY_SIZE(amdgpu_ttm_debugfs_list); #ifdef CONFIG_SWIOTLB @@ -1805,7 +2016,6 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev) return amdgpu_debugfs_add_files(adev, amdgpu_ttm_debugfs_list, count); #else - return 0; #endif } @@ -1813,14 +2023,9 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev) static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev) { #if defined(CONFIG_DEBUG_FS) + unsigned i; - debugfs_remove(adev->mman.vram); - adev->mman.vram = NULL; - -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - debugfs_remove(adev->mman.gtt); - adev->mman.gtt = NULL; -#endif - + for (i = 0; i < ARRAY_SIZE(ttm_debugfs_entries); i++) + debugfs_remove(adev->mman.debugfs_entries[i]); #endif } |