Is it complete solution or temporary workaround? How can I help, to push this fix to upsteam?
2011/10/11 Олег Герман <oleg.ger...@gmail.com>: > yep, i just commented-out this line in ubuntu kernel > http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-oneiric.git;a=blob;f=drivers/gpu/drm/i915/intel_display.c;h=e917c7b853bc62f885ffb731049ac3ff03ef8a70;hb=HEAD#l5120 > > and it works! > > 2011/10/11 Daniel Vetter <dan...@ffwll.ch>: >> On Tue, Oct 11, 2011 at 01:50:34PM +0400, Олег Герман wrote: >>> > I'd wager this is dithering gone wrong. Can you boot with drm.debug=0xe >>> > and attach the full dmesg? Also please attach xrandr --verbose. >>> >>> also bug is not reproduced on external monitors >> >> Can you try the below patch, please? >> -Daniel >> >> diff --git a/drivers/gpu/drm/i915/intel_display.c >> b/drivers/gpu/drm/i915/intel_display.c >> index f0e5f9f..d145527 100644 >> --- a/drivers/gpu/drm/i915/intel_display.c >> +++ b/drivers/gpu/drm/i915/intel_display.c >> @@ -5533,7 +5533,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc >> *crtc, >> pipeconf &= ~PIPECONF_DITHER_TYPE_MASK; >> if ((is_lvds && dev_priv->lvds_dither) || dither) { >> pipeconf |= PIPECONF_DITHER_EN; >> - pipeconf |= PIPECONF_DITHER_TYPE_ST1; >> + //pipeconf |= PIPECONF_DITHER_TYPE_ST1; >> } >> if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base)) { >> intel_dp_set_m_n(crtc, mode, adjusted_mode); >> >> -- >> Daniel Vetter >> Mail: dan...@ffwll.ch >> Mobile: +41 (0)79 365 57 48 >> > _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
