commit 2ff776cf77f1837a0397bc876e086e8a54274b09
author Alex Deucher <alexdeucher@gmail.com> Tue Jun 08 19:44:36 2010 -0400
committer Dave Airlie <airlied@redhat.com> Thu Jul 01 11:59:31 2010 +1000
tree a22a7e03e06059e379459bb77b2c7f82ff0b5be4
parent 8b5d8dec7c85b6f1a4ae9c57500f1378d79556bc

drm/radeon/kms: disable frac fb dividers for rs6xx

Should fix fdo bug 28331:
https://bugs.freedesktop.org/show_bug.cgi?id=28331

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/atombios_crtc.c

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index f3f2827..8c2d647 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -498,7 +498,7 @@
 		if ((rdev->family == CHIP_RS600) ||
 		    (rdev->family == CHIP_RS690) ||
 		    (rdev->family == CHIP_RS740))
-			pll->flags |= (RADEON_PLL_USE_FRAC_FB_DIV |
+			pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
 				       RADEON_PLL_PREFER_CLOSEST_LOWER);
 
 		if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)	/* range limits??? */