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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>
This commit is contained in:
Alex Deucher 2010-06-08 19:44:36 -04:00 committed by Dave Airlie
parent 8b5d8dec7c
commit 2ff776cf77
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/atombios_crtc.c
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@ -498,7 +498,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
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??? */