From d9b9aaae3ad0449fb93dd01290b32ef42ca2f513 Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Fri, 6 May 2022 14:50:38 -0400 Subject: drm/amdgpu: support fill mem for LSDMA MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Support constant data filling in PIO mode for LSDMA. Signed-off-by: Likun Gao Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h') 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 -- cgit v1.2.3-70-g09d2