diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 83 |
1 files changed, 28 insertions, 55 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 0db933026722..76efd5f8950f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -60,7 +60,7 @@ */ /** - * amdgpu_dummy_page_init - init dummy page used by the driver + * amdgpu_gart_dummy_page_init - init dummy page used by the driver * * @adev: amdgpu_device pointer * @@ -71,12 +71,12 @@ */ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) { - struct page *dummy_page = ttm_bo_glob.dummy_read_page; + struct page *dummy_page = ttm_glob.dummy_read_page; if (adev->dummy_page_addr) return 0; adev->dummy_page_addr = dma_map_page(&adev->pdev->dev, dummy_page, 0, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + PAGE_SIZE, DMA_BIDIRECTIONAL); if (dma_mapping_error(&adev->pdev->dev, adev->dummy_page_addr)) { dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); adev->dummy_page_addr = 0; @@ -86,18 +86,18 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) } /** - * amdgpu_dummy_page_fini - free dummy page used by the driver + * amdgpu_gart_dummy_page_fini - free dummy page used by the driver * * @adev: amdgpu_device pointer * * Frees the dummy page used by the driver (all asics). */ -static void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev) +void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev) { if (!adev->dummy_page_addr) return; - pci_unmap_page(adev->pdev, adev->dummy_page_addr, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + dma_unmap_page(&adev->pdev->dev, adev->dummy_page_addr, PAGE_SIZE, + DMA_BIDIRECTIONAL); adev->dummy_page_addr = 0; } @@ -126,6 +126,8 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev) AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; bp.type = ttm_bo_type_kernel; bp.resv = NULL; + bp.bo_ptr_size = sizeof(struct amdgpu_bo); + r = amdgpu_bo_create(adev, &bp, &adev->gart.bo); if (r) { return r; @@ -202,6 +204,7 @@ void amdgpu_gart_table_vram_free(struct amdgpu_device *adev) return; } amdgpu_bo_unref(&adev->gart.bo); + adev->gart.ptr = NULL; } /* @@ -236,9 +239,6 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, t = offset / AMDGPU_GPU_PAGE_SIZE; p = t / AMDGPU_GPU_PAGES_IN_CPU_PAGE; for (i = 0; i < pages; i++, p++) { -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - adev->gart.pages[p] = NULL; -#endif page_base = adev->dummy_page_addr; if (!adev->gart.ptr) continue; @@ -250,7 +250,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, } } mb(); - amdgpu_asic_flush_hdp(adev, NULL); + amdgpu_device_flush_hdp(adev, NULL); for (i = 0; i < adev->num_vmhubs; i++) amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0); @@ -300,7 +300,6 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, * @adev: amdgpu_device pointer * @offset: offset into the GPU's gart aperture * @pages: number of pages to bind - * @pagelist: pages to bind * @dma_addr: DMA addresses of pages * @flags: page table entry flags * @@ -309,39 +308,37 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, * Returns 0 for success, -EINVAL for failure. */ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, - int pages, struct page **pagelist, dma_addr_t *dma_addr, + int pages, dma_addr_t *dma_addr, uint64_t flags) { -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - unsigned t,p; -#endif - int r, i; - if (!adev->gart.ready) { WARN(1, "trying to bind memory to uninitialized GART !\n"); return -EINVAL; } -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - t = offset / AMDGPU_GPU_PAGE_SIZE; - p = t / AMDGPU_GPU_PAGES_IN_CPU_PAGE; - for (i = 0; i < pages; i++, p++) - adev->gart.pages[p] = pagelist ? pagelist[i] : NULL; -#endif - if (!adev->gart.ptr) return 0; - r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags, - adev->gart.ptr); - if (r) - return r; + return amdgpu_gart_map(adev, offset, pages, dma_addr, flags, + adev->gart.ptr); +} + +/** + * amdgpu_gart_invalidate_tlb - invalidate gart TLB + * + * @adev: amdgpu device driver pointer + * + * Invalidate gart TLB which can be use as a way to flush gart changes + * + */ +void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev) +{ + int i; mb(); - amdgpu_asic_flush_hdp(adev, NULL); + amdgpu_device_flush_hdp(adev, NULL); for (i = 0; i < adev->num_vmhubs; i++) amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0); - return 0; } /** @@ -373,29 +370,5 @@ int amdgpu_gart_init(struct amdgpu_device *adev) DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n", adev->gart.num_cpu_pages, adev->gart.num_gpu_pages); -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - /* Allocate pages table */ - adev->gart.pages = vzalloc(array_size(sizeof(void *), - adev->gart.num_cpu_pages)); - if (adev->gart.pages == NULL) - return -ENOMEM; -#endif - return 0; } - -/** - * amdgpu_gart_fini - tear down the driver info for managing the gart - * - * @adev: amdgpu_device pointer - * - * Tear down the gart driver info and free the dummy page (all asics). - */ -void amdgpu_gart_fini(struct amdgpu_device *adev) -{ -#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS - vfree(adev->gart.pages); - adev->gart.pages = NULL; -#endif - amdgpu_gart_dummy_page_fini(adev); -} |