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(parent: 6b5defd) | 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)
commitbeb3777682d5c296cc15a2a424f5a7a98476def0
tree3613fc89bf40965f6539eee5f231512c3270e120tree | snapshot
parent6b5defd68a0aa4bcecbfb5085e04214bb1a61f97commit | 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: 09be4a5219 (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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