diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 008eaee57114..cf0f186c6092 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -68,17 +68,15 @@ */ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) { - if (adev->dummy_page.page) + struct page *dummy_page = adev->mman.bdev.glob->dummy_read_page; + + if (adev->dummy_page_addr) return 0; - adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); - if (adev->dummy_page.page == NULL) - return -ENOMEM; - adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, - 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { + adev->dummy_page_addr = pci_map_page(adev->pdev, dummy_page, 0, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + if (pci_dma_mapping_error(adev->pdev, adev->dummy_page_addr)) { dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); - __free_page(adev->dummy_page.page); - adev->dummy_page.page = NULL; + adev->dummy_page_addr = 0; return -ENOMEM; } return 0; @@ -93,12 +91,11 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) */ static void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev) { - if (adev->dummy_page.page == NULL) + if (!adev->dummy_page_addr) return; - pci_unmap_page(adev->pdev, adev->dummy_page.addr, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - __free_page(adev->dummy_page.page); - adev->dummy_page.page = NULL; + pci_unmap_page(adev->pdev, adev->dummy_page_addr, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + adev->dummy_page_addr = 0; } /** @@ -116,11 +113,12 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev) int r; if (adev->gart.robj == NULL) { - r = amdgpu_bo_create(adev, adev->gart.table_size, - PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, + r = amdgpu_bo_create(adev, adev->gart.table_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, - NULL, NULL, &adev->gart.robj); + ttm_bo_type_kernel, NULL, + &adev->gart.robj); if (r) { return r; } @@ -236,7 +234,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, #ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS adev->gart.pages[p] = NULL; #endif - page_base = adev->dummy_page.addr; + page_base = adev->dummy_page_addr; if (!adev->gart.ptr) continue; @@ -318,7 +316,7 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, t = offset / AMDGPU_GPU_PAGE_SIZE; p = t / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE); for (i = 0; i < pages; i++, p++) - adev->gart.pages[p] = pagelist[i]; + adev->gart.pages[p] = pagelist ? pagelist[i] : NULL; #endif if (!adev->gart.ptr) @@ -347,7 +345,7 @@ int amdgpu_gart_init(struct amdgpu_device *adev) { int r; - if (adev->dummy_page.page) + if (adev->dummy_page_addr) return 0; /* We need PAGE_SIZE >= AMDGPU_GPU_PAGE_SIZE */ |