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(parent: 41bc4cc) | 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)
commite75e9ad63a7fcc2538e9a94f3468a08d5b0eae1d
tree3613fc89bf40965f6539eee5f231512c3270e120tree | snapshot
parent41bc4ccad4343824f97357bd6356db294cd2ac40commit | 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: ff40208264 (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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