From: Daniel Vetter <daniel@ffwll.ch>
To: "Олег Герман" <oleg.german@gmail.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: Sony VAIO VPC-SA2 blinking/waves on LVDS
Date: Tue, 11 Oct 2011 12:58:12 +0200 [thread overview]
Message-ID: <20111011105812.GB2962@phenom.ffwll.local> (raw)
In-Reply-To: <CAAfHt_J0c61kuwBu61AvD=8Guv2d3H+-kDVen2a+Q097c6YdAA@mail.gmail.com>
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: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
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next prev parent reply other threads:[~2011-10-11 10:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-09 23:19 Sony VAIO VPC-SA2 blinking/waves on LVDS Олег Герман
2011-10-10 7:04 ` Daniel Vetter
2011-10-10 7:36 ` Олег Герман
2011-10-10 8:31 ` Daniel Vetter
2011-10-11 9:50 ` Олег Герман
2011-10-11 10:58 ` Daniel Vetter [this message]
[not found] ` <CAAfHt_+ymuRW5PQruQAztimOH_h9d0HO1Q=my4BW1xjuKN0mCA@mail.gmail.com>
2011-10-11 21:39 ` Олег Герман
2011-10-11 22:13 ` Daniel Vetter
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