Attachment 62692 Details for Bug 50808 – enable edp vdd in intel_dp_detect

[patch] enable edp vdd in intel_dp_detect

0001-drm-i915-enable-edp-vdd-in-intel_dp_detect.patch (text/plain), 1.31 KB, created by Daniel Vetter on 2012-06-07 00:10:01 UTC

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Creator: Daniel Vetter

Created: 2012-06-07 00:10:01 UTC

Size: 1.31 KB

patch

obsolete

>From c56769c92f684d708b05052ec4f4555ea25da4de Mon Sep 17 00:00:00 2001
>From: Daniel Vetter <daniel.vetter@ffwll.ch>
>Date: Thu, 7 Jun 2012 08:59:49 +0200
>Subject: [PATCH] drm/i915: enable edp vdd in intel_dp_detect
>
>We need this for dp aux communication. This issue can fill the dmesg
>with WARN spam when the panel is disable (e.g. while reconfiguring the
>mode or while resuming).
>
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50808
>Bugreport: http://permalink.gmane.org/gmane.comp.video.dri.devel/69695
>Cc: stable@vger.kernel.org
>Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
>---
> drivers/gpu/drm/i915/intel_dp.c |    2 ++
> 1 file changed, 2 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index 296cfc2..9a7edcf 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -2165,6 +2165,7 @@ intel_dp_detect(struct drm_connector *connector, bool force)
> 	if (status != connector_status_connected)
> 		return status;
> 
>+	ironlake_edp_panel_vdd_on(intel_dp);
> 	intel_dp_probe_oui(intel_dp);
> 
> 	if (intel_dp->force_audio != HDMI_AUDIO_AUTO) {
>@@ -2177,6 +2178,7 @@ intel_dp_detect(struct drm_connector *connector, bool force)
> 			kfree(edid);
> 		}
> 	}
>+	ironlake_edp_panel_vdd_off(intel_dp, false);
> 
> 	return connector_status_connected;
> }
>-- 
>1.7.10
>

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Attachments on bug 50808: 62687 | 62692 | 62694 | 62716 | 62717 | 62775 | 62866 | 62901

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