From a69cba42b11ae5e8cede2ee6a61d9faf5187df9b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 28 Oct 2019 14:47:38 -0400 Subject: drm/amdgpu: add a amdgpu_device_supports_baco helper 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 Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 27ed48bde3fa..314138a95ccd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -153,6 +153,21 @@ bool amdgpu_device_is_px(struct drm_device *dev) return false; } +/** + * amdgpu_device_supports_baco - Does the device support BACO + * + * @dev: drm_device pointer + * + * Returns true if the device supporte BACO, + * otherwise return false. + */ +bool amdgpu_device_supports_baco(struct drm_device *dev) +{ + struct amdgpu_device *adev = dev->dev_private; + + return amdgpu_asic_supports_baco(adev); +} + /** * VRAM access helper functions. * -- cgit v1.2.3-70-g09d2