drm/amdgpu: add a amdgpu_device_supports_baco helper
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 28 Oct 2019 18:47:38 +0000 (14:47 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 19 Nov 2019 21:42:49 +0000 (16:42 -0500)
commita69cba42b11ae5e8cede2ee6a61d9faf5187df9b
tree124af9689a7714a9785da6e0922dbd3c3698ea7a
parentac7426169e7bcbbf270fec48301286e5ccae08bc
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 <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c