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, 12 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 645950a653a0..01cb89ffbd56 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -150,7 +150,7 @@ void amdgpu_gart_table_vram_free(struct amdgpu_device *adev) * replaces them with the dummy page (all asics). * Returns 0 for success, -EINVAL for failure. */ -int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, +void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, int pages) { unsigned t; @@ -161,13 +161,11 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, uint64_t flags = 0; int idx; - if (!adev->gart.ready) { - WARN(1, "trying to unbind memory from uninitialized GART !\n"); - return -EINVAL; - } + if (!adev->gart.ptr) + return; if (!drm_dev_enter(adev_to_drm(adev), &idx)) - return 0; + return; t = offset / AMDGPU_GPU_PAGE_SIZE; p = t / AMDGPU_GPU_PAGES_IN_CPU_PAGE; @@ -188,7 +186,6 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0); drm_dev_exit(idx); - return 0; } /** @@ -204,7 +201,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, * Map the dma_addresses into GART entries (all asics). * Returns 0 for success, -EINVAL for failure. */ -int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, +void amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, int pages, dma_addr_t *dma_addr, uint64_t flags, void *dst) { @@ -212,13 +209,8 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, unsigned i, j, t; int idx; - if (!adev->gart.ready) { - WARN(1, "trying to bind memory to uninitialized GART !\n"); - return -EINVAL; - } - if (!drm_dev_enter(adev_to_drm(adev), &idx)) - return 0; + return; t = offset / AMDGPU_GPU_PAGE_SIZE; @@ -230,7 +222,6 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, } } drm_dev_exit(idx); - return 0; } /** @@ -246,20 +237,14 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset, * (all asics). * Returns 0 for success, -EINVAL for failure. */ -int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, +void amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, int pages, dma_addr_t *dma_addr, uint64_t flags) { - if (!adev->gart.ready) { - WARN(1, "trying to bind memory to uninitialized GART !\n"); - return -EINVAL; - } - if (!adev->gart.ptr) - return 0; + return; - return amdgpu_gart_map(adev, offset, pages, dma_addr, flags, - adev->gart.ptr); + amdgpu_gart_map(adev, offset, pages, dma_addr, flags, adev->gart.ptr); } /** @@ -274,6 +259,9 @@ void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev) { int i; + if (!adev->gart.ptr) + return; + mb(); amdgpu_device_flush_hdp(adev, NULL); for (i = 0; i < adev->num_vmhubs; i++) |