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drm/amdgpu: split amdgpu_device_access_vram() into two small parts

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split amdgpu_device_access_vram()
1. amdgpu_device_mm_access(): using MM_INDEX/MM_DATA to access vram
2. amdgpu_device_aper_access(): using vram aperature to access vram (option)

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang
2021-07-16 13:57:49 -04:00
committed by Alex Deucher
parent 9ce5ed6eaa
commit 048af66be7
2 changed files with 83 additions and 33 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -1108,8 +1108,13 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev);
int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
void *buf, size_t size, bool write);
size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
void *buf, size_t size, bool write);
void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
uint32_t *buf, size_t size, bool write);
void *buf, size_t size, bool write);
uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
uint32_t reg, uint32_t acc_flags);
void amdgpu_device_wreg(struct amdgpu_device *adev,