drm/radeon: disable mclk switching with 120hz+ monitors
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 18 Feb 2015 05:59:45 +0000 (00:59 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 25 Feb 2015 21:06:06 +0000 (16:06 -0500)
commit951caa6acf7121f88a9e8e04ef75bd0ac323a033
tree1e82d51da5c576daa8715d11d41ac3ff0438c58f
parent3d2d98ee1af0cf6eebfbd6bff4c17d3601ac1284
drm/radeon: disable mclk switching with 120hz+ monitors

These tend to be problematic even if the vblank period is
long enough.  This needs more investigation across a wider
range of displays.  Disable for now.

bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=87796
https://bugs.freedesktop.org/show_bug.cgi?id=89198

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/radeon/radeon_pm.c