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| author | Tianci.Yin <tianci.yin@amd.com> | 2019-09-30 13:33:50 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-17 16:31:13 -0400 |
| commit | e35e2b117f4dba2761d96e378c28734f6807f227 (patch) | |
| tree | f633b1ab813848b208e5eab50284eb0cc1a077b7 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 45cf454e4c0fa34d33980063408095179369c5f0 (diff) | |
| download | lwn-e35e2b117f4dba2761d96e378c28734f6807f227.tar.gz lwn-e35e2b117f4dba2761d96e378c28734f6807f227.zip | |
drm/amdgpu: add a generic fb accessing helper function(v3)
add a generic helper function for accessing framebuffer via MMIO
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index b42fa21de806..ef195f293000 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -981,6 +981,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, void amdgpu_device_fini(struct amdgpu_device *adev); int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev); +void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, + uint32_t *buf, size_t size, bool write); uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, uint32_t acc_flags); void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, |