[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20130929150502.GG744@nuc-i3427.alporthouse.com>
Date: Sun, 29 Sep 2013 16:05:02 +0100
From: Chris Wilson <chris@...is-wilson.co.uk>
To: Wakko Warner <wakko@...mx.eu.org>
Cc: linux-kernel@...r.kernel.org
Subject: Re: Intel Haswell kernel warning (3.11.2)
On Sun, Sep 29, 2013 at 10:17:34AM -0400, Wakko Warner wrote:
> Wakko Warner wrote:
> > Please keep me in CC.
> >
> > I receive a warning in drivers/gpu/drm/i915/intel_display.c:3869. This
> > happens when I'm on a console, the screen has gone into power save and I
> > press a key to wake it up.
> >
> > This doesn't happen when I'm in X.
> >
> > Kernel is Vanilla 3.11.2.
Try,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index bd3e115..dacde4e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4043,8 +4043,6 @@ static void intel_connector_check_state(struct intel_connector *connector)
* consider. */
void intel_connector_dpms(struct drm_connector *connector, int mode)
{
- struct intel_encoder *encoder = intel_attached_encoder(connector);
-
/* All the simple cases only support two dpms states. */
if (mode != DRM_MODE_DPMS_ON)
mode = DRM_MODE_DPMS_OFF;
@@ -4055,10 +4053,8 @@ void intel_connector_dpms(struct drm_connector *connector, int mode)
connector->dpms = mode;
/* Only need to change hw state when actually enabled */
- if (encoder->base.crtc)
- intel_encoder_dpms(encoder, mode);
- else
- WARN_ON(encoder->connectors_active != false);
+ if (connector->encoder)
+ intel_encoder_dpms(to_intel_encoder(connector->encoder), mode);
intel_modeset_check_state(connector->dev);
}
--
Chris Wilson, Intel Open Source Technology Centre
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists