drm/amdgpu: Notify sbios device ready before send request
authorRex Zhu <Rex.Zhu@amd.com>
Tue, 27 Feb 2018 10:20:53 +0000 (18:20 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 7 Mar 2018 21:27:00 +0000 (16:27 -0500)
commit1bced75f4ab04bec55aecb57d99435dc6d0ae5a0
tree9fa90ffbbb25c4559201edb143c289fa4a95bac8
parent545b0bcde7fbd3ee408fa842ea0731451dc4bd0a
drm/amdgpu: Notify sbios device ready before send request

it is required if a platform supports PCIe root complex
core voltage reduction. After receiving this notification,
SBIOS can apply default PCIe root complex power policy.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c