diff options
| author | Likun Gao <Likun.Gao@amd.com> | 2022-05-06 21:50:38 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-11 00:53:11 +0300 |
| commit | d9b9aaae3ad0449fb93dd01290b32ef42ca2f513 (patch) | |
| tree | 924e70d007b1bb999b6d596b22f9d42d1f2ee01b /drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h | |
| parent | f932ffbbf6ffa9e8425e2d3775a799d3e670c31e (diff) | |
| download | linux-d9b9aaae3ad0449fb93dd01290b32ef42ca2f513.tar.xz | |
drm/amdgpu: support fill mem for LSDMA
Support constant data filling in PIO mode for LSDMA.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h index 18cc7ad7171f..544dff63c304 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h @@ -31,9 +31,15 @@ struct amdgpu_lsdma { struct amdgpu_lsdma_funcs { int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr, uint64_t dst_addr, uint64_t size); + int (*fill_mem)(struct amdgpu_device *adev, uint64_t dst_addr, + uint32_t data, uint64_t size); }; int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev, uint64_t src_addr, uint64_t dst_addr, uint64_t mem_size); +int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev, uint64_t dst_addr, + uint32_t data, uint64_t mem_size); +int amdgpu_lsdma_wait_for(struct amdgpu_device *adev, uint32_t reg_index, + uint32_t reg_val, uint32_t mask); #endif |