drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled
authorChristian König <christian.koenig@amd.com>
Mon, 13 Jun 2016 14:09:53 +0000 (16:09 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 13 Jun 2016 16:23:15 +0000 (12:23 -0400)
commit9ef8537e68941d858924a3eacee5a1945767cbab
treec7a7a24ec92787a9b5507e3ad388f5bbfa735d98
parentccaa2c12fba72f3e547d18e66820e2e6c5883113
drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled

Seems to cause problems for some older hardware. Kudos to Thom Kouwenhoven
for working a lot with the PLLs and figuring this out.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/atombios_crtc.c