drm/radeon: use frac fb div on RS780/RS880
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 1 Apr 2013 20:06:25 +0000 (16:06 -0400)
committerBen Hutchings <ben@decadent.org.uk>
Mon, 13 May 2013 14:02:12 +0000 (15:02 +0100)
commit9ba240246fdb384fa1bd80a5b7528101e47d9bb8
tree79a7ac2a2b990ee0794b070bf2b601c9bdc29d3f
parentc54fd985b53459023ef8205fdc09993b7badeedf
drm/radeon: use frac fb div on RS780/RS880

commit 411678288d61ba17afe1f8afed92200be6bbc65d upstream.

Monitors seem to prefer it.  Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=37696

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[bwh: Backported to 3.2:
 - Adjust context
 - Add to pll->flags, not radeon_crtc->pll_flags]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/gpu/drm/radeon/atombios_crtc.c