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* drm/amdgpu: support fill mem for LSDMALikun Gao2022-05-101-0/+40
| | | | | | | | Support constant data filling in PIO mode for LSDMA. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: support mem copy for LSDMALikun Gao2022-05-101-0/+26
| | | | | | | | Support memory to memory linear copy in PIO mode for LSDMA. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: add lsdma blockLikun Gao2022-05-101-0/+25
Add Light SDMA (LSDMA) block and related function. LSDMA is a small instance of SDMA mainly for kernel driver use. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>