drm/amdgpu: clean up pageflip interrupt handling
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 9 Oct 2015 15:38:49 +0000 (11:38 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 14 Oct 2015 20:16:36 +0000 (16:16 -0400)
commit7dfac8965f8e108985bee38c746db2fe53314cc9
treefb18b7f2a25e1acea85113e2632a9e48645a0e6b
parentc113ea1c4f4a7592f17e53d658873b83af0dbb4b
drm/amdgpu: clean up pageflip interrupt handling

Check to make sure we aren't touching a non-existent
display controller and simplify the code.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c