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(parent: e5f586c) | patch
drm/amdgpu: refine the logic in amdgpu_need_post()
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Mar 2017 16:19:31 +0000 (12:19 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 30 Mar 2017 03:55:44 +0000 (23:55 -0400)
commitf2713e8c2a34711ed820a3095a7c5f4a0c85df1c
treefe615d9237364a68827c0635b78cba1c61d585e7tree | snapshot (tar.gz zip)
parente5f586c763a079349398e2b0c7c271386193ac34commit | diff
drm/amdgpu: refine the logic in amdgpu_need_post()

We check the mem config register to make sure it's been
programmed by the vbios to determine if we need to post
so we check for a non-0 value.  However, when the asic
comes out of reset, we may see all ones here, so check
for that too.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c diff | blob | blame | history