https://bugzilla.kernel.org/show_bug.cgi?id=26552
--- Comment #44 from Helber Maciel Guerra helbermg@gmail.com 2011-02-11 19:41:42 --- (In reply to comment #42)
Helber, can you try the following patch instead of the two patches linked above?
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index cc6bdd8..2f9d113 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -562,7 +562,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, } } /* this might work properly with the new pll algo */ -#if 0 /* doesn't work properly on some laptops */ +#if 1 /* doesn't work properly on some laptops */ /* use recommended ref_div for ss */ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { if (ss_enabled) {
This patch work well. Tanks, Helber Maciel Guerra.