diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 84 |
1 files changed, 6 insertions, 78 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index d3e4203f6217..645950a653a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -114,80 +114,12 @@ void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev) */ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev) { - int r; - - if (adev->gart.bo == NULL) { - struct amdgpu_bo_param bp; - - memset(&bp, 0, sizeof(bp)); - bp.size = adev->gart.table_size; - bp.byte_align = PAGE_SIZE; - bp.domain = AMDGPU_GEM_DOMAIN_VRAM; - bp.flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | - 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; - } - } - return 0; -} - -/** - * amdgpu_gart_table_vram_pin - pin gart page table in vram - * - * @adev: amdgpu_device pointer - * - * Pin the GART page table in vram so it will not be moved - * by the memory manager (pcie r4xx, r5xx+). These asics require the - * gart table to be in video memory. - * Returns 0 for success, error for failure. - */ -int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev) -{ - int r; - - r = amdgpu_bo_reserve(adev->gart.bo, false); - if (unlikely(r != 0)) - return r; - r = amdgpu_bo_pin(adev->gart.bo, AMDGPU_GEM_DOMAIN_VRAM); - if (r) { - amdgpu_bo_unreserve(adev->gart.bo); - return r; - } - r = amdgpu_bo_kmap(adev->gart.bo, &adev->gart.ptr); - if (r) - amdgpu_bo_unpin(adev->gart.bo); - amdgpu_bo_unreserve(adev->gart.bo); - return r; -} - -/** - * amdgpu_gart_table_vram_unpin - unpin gart page table in vram - * - * @adev: amdgpu_device pointer - * - * Unpin the GART page table in vram (pcie r4xx, r5xx+). - * These asics require the gart table to be in video memory. - */ -void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev) -{ - int r; + if (adev->gart.bo != NULL) + return 0; - if (adev->gart.bo == NULL) { - return; - } - r = amdgpu_bo_reserve(adev->gart.bo, true); - if (likely(r == 0)) { - amdgpu_bo_kunmap(adev->gart.bo); - amdgpu_bo_unpin(adev->gart.bo); - amdgpu_bo_unreserve(adev->gart.bo); - adev->gart.ptr = NULL; - } + return amdgpu_bo_create_kernel(adev, adev->gart.table_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, &adev->gart.bo, + NULL, (void *)&adev->gart.ptr); } /** @@ -201,11 +133,7 @@ void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev) */ void amdgpu_gart_table_vram_free(struct amdgpu_device *adev) { - if (adev->gart.bo == NULL) { - return; - } - amdgpu_bo_unref(&adev->gart.bo); - adev->gart.ptr = NULL; + amdgpu_bo_free_kernel(&adev->gart.bo, NULL, (void *)&adev->gart.ptr); } /* |