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(parent: 3d36273) | patch
drm/amdgpu: fix vblank_time when displays are off
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 29 Jun 2017 20:08:49 +0000 (16:08 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 30 Jun 2017 13:53:50 +0000 (09:53 -0400)
commit4ee960fb589fd0a25870afd9a5fb218a43c275f6
tree3613fc89bf40965f6539eee5f231512c3270e120tree | snapshot
parent3d36273f851df22787b12a8caea830e6b46a7cd0commit | diff
drm/amdgpu: fix vblank_time when displays are off

If the displays are off, set the vblank time to max to make
sure mclk switching is enabled.  Avoid mclk getting set
to high when no displays are attached.

bug: https://bugs.freedesktop.org/show_bug.cgi?id=101528
fixes: a17fb5d134 (drm/amd/powerplay/smu7: add vblank check for mclk switching (v2))
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c diff | blob | history
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