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drm/amdgpu: add a amdgpu_device_supports_baco helper

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BACO - Bus Active, Chip Off

To check if a device supports BACO or not.  This will be
used in determining when to enable runtime pm.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2019-10-28 14:47:38 -04:00
parent ac7426169e
commit a69cba42b1
2 changed files with 16 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -1141,6 +1141,7 @@ void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
const u32 array_size);
bool amdgpu_device_is_px(struct drm_device *dev);
bool amdgpu_device_supports_baco(struct drm_device *dev);
bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
struct amdgpu_device *peer_adev);