diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 5562b5c90c03..34243e122d11 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -92,7 +92,7 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) * * 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; @@ -312,8 +312,6 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, int pages, struct page **pagelist, dma_addr_t *dma_addr, uint64_t flags) { - int r, i; - if (!adev->gart.ready) { WARN(1, "trying to bind memory to uninitialized GART !\n"); return -EINVAL; @@ -322,16 +320,26 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, 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); for (i = 0; i < adev->num_vmhubs; i++) amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0); - return 0; } /** @@ -365,15 +373,3 @@ int amdgpu_gart_init(struct amdgpu_device *adev) 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) -{ - amdgpu_gart_dummy_page_fini(adev); -} |