linux-kernel - [042/111] drm/i915: Use RSEN instead of HTPLG for tfp410 monitor detection.

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Message-Id: <20100811235459.364979969@clark.site>
Date:	Wed, 11 Aug 2010 16:54:23 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk
Subject: [042/111] drm/i915: Use RSEN instead of HTPLG for tfp410 monitor detection.

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Dave Müller <dave.mueller@....ch>

commit f458823b864c6def488f951a79986fa205aba4f1 upstream.

Presence detection of a digital monitor seems not to be reliable using
the HTPLG bit.

Dave Müller <dave.mueller@....ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/i915/dvo_tfp410.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/dvo_tfp410.c
+++ b/drivers/gpu/drm/i915/dvo_tfp410.c
@@ -214,7 +214,7 @@ static enum drm_connector_status tfp410_
 	uint8_t ctl2;
 
 	if (tfp410_readb(dvo, TFP410_CTL_2, &ctl2)) {
-		if (ctl2 & TFP410_CTL_2_HTPLG)
+		if (ctl2 & TFP410_CTL_2_RSEN)
 			ret = connector_status_connected;
 		else
 			ret = connector_status_disconnected;


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