diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 8db880244324..6c30eceec896 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -450,6 +450,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, { struct amdgpu_vram_mgr *mgr = to_vram_mgr(man); struct amdgpu_device *adev = to_amdgpu_device(mgr); + struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo); u64 vis_usage = 0, max_bytes, min_block_size; struct amdgpu_vram_mgr_resource *vres; u64 size, remaining_size, lpfn, fpfn; @@ -468,7 +469,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, if (tbo->type != ttm_bo_type_kernel) max_bytes -= AMDGPU_VM_RESERVED_VRAM; - if (place->flags & TTM_PL_FLAG_CONTIGUOUS) { + if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) { pages_per_block = ~0ul; } else { #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -477,7 +478,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, /* default to 2MB */ pages_per_block = 2UL << (20UL - PAGE_SHIFT); #endif - pages_per_block = max_t(uint32_t, pages_per_block, + pages_per_block = max_t(u32, pages_per_block, tbo->page_alignment); } @@ -498,9 +499,12 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, if (place->flags & TTM_PL_FLAG_TOPDOWN) vres->flags |= DRM_BUDDY_TOPDOWN_ALLOCATION; - if (place->flags & TTM_PL_FLAG_CONTIGUOUS) + if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) vres->flags |= DRM_BUDDY_CONTIGUOUS_ALLOCATION; + if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CLEARED) + vres->flags |= DRM_BUDDY_CLEAR_ALLOCATION; + if (fpfn || lpfn != mgr->mm.size) /* Allocate blocks in desired range */ vres->flags |= DRM_BUDDY_RANGE_ALLOCATION; @@ -514,21 +518,31 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, else min_block_size = mgr->default_page_size; - BUG_ON(min_block_size < mm->chunk_size); - /* Limit maximum size to 2GiB due to SG table limitations */ size = min(remaining_size, 2ULL << 30); if ((size >= (u64)pages_per_block << PAGE_SHIFT) && - !(size & (((u64)pages_per_block << PAGE_SHIFT) - 1))) + !(size & (((u64)pages_per_block << PAGE_SHIFT) - 1))) min_block_size = (u64)pages_per_block << PAGE_SHIFT; + BUG_ON(min_block_size < mm->chunk_size); + r = drm_buddy_alloc_blocks(mm, fpfn, lpfn, size, min_block_size, &vres->blocks, vres->flags); + + if (unlikely(r == -ENOSPC) && pages_per_block == ~0ul && + !(place->flags & TTM_PL_FLAG_CONTIGUOUS)) { + vres->flags &= ~DRM_BUDDY_CONTIGUOUS_ALLOCATION; + pages_per_block = max_t(u32, 2UL << (20UL - PAGE_SHIFT), + tbo->page_alignment); + + continue; + } + if (unlikely(r)) goto error_free_blocks; @@ -571,7 +585,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, return 0; error_free_blocks: - drm_buddy_free_list(mm, &vres->blocks); + drm_buddy_free_list(mm, &vres->blocks, 0); mutex_unlock(&mgr->lock); error_fini: ttm_resource_fini(man, &vres->base); @@ -604,7 +618,7 @@ static void amdgpu_vram_mgr_del(struct ttm_resource_manager *man, amdgpu_vram_mgr_do_reserve(man); - drm_buddy_free_list(mm, &vres->blocks); + drm_buddy_free_list(mm, &vres->blocks, vres->flags); mutex_unlock(&mgr->lock); atomic64_sub(vis_usage, &mgr->vis_usage); @@ -912,7 +926,7 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev) kfree(rsv); list_for_each_entry_safe(rsv, temp, &mgr->reserved_pages, blocks) { - drm_buddy_free_list(&mgr->mm, &rsv->allocated); + drm_buddy_free_list(&mgr->mm, &rsv->allocated, 0); kfree(rsv); } if (!adev->gmc.is_app_apu) |