https://bugs.freedesktop.org/show_bug.cgi?id=32556
--- Comment #5 from Alex Deucher agd5f@yahoo.com 2010-12-21 10:51:07 PST --- How about this?
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index b0ab185..fa92120 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -521,12 +521,6 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, pll->flags = 0;
if (ASIC_IS_AVIVO(rdev)) { - if ((rdev->family == CHIP_RS600) || - (rdev->family == CHIP_RS690) || - (rdev->family == CHIP_RS740)) - pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ - RADEON_PLL_PREFER_CLOSEST_LOWER); - if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; else