drm/amdgpu/atpx: check for ATIF dGPU wake for display events support
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 14 Sep 2016 18:01:41 +0000 (14:01 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 22 Sep 2016 14:30:30 +0000 (10:30 -0400)
commitefc83cf423df99bd6c1899cf0b65897f1ee75751
tree14ca67f1f2328a2f8cb1cdaef487b446e43d18a2
parent9cee3c1f95298fb98bbec9e8410d4da64a271fe5
drm/amdgpu/atpx: check for ATIF dGPU wake for display events support

Some ATPX laptops implement special circuitry to generate
display hotplug events via ACPI when the dGPU is powered off.
Check if this is supported.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c