linux-kernel - [19/55] drm/i915/tv: Remember the detected TV type

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Message-Id: <20110429185654.418295987@clark.kroah.org>
Date:	Fri, 29 Apr 2011 11:55:42 -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,
	Mathew McKernan <matmckernan@...land.com.au>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Paul Menzel <paulepanter@...rs.sourceforge.net>,
	Keith Packard <keithp@...thp.com>
Subject: [19/55] drm/i915/tv: Remember the detected TV type

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

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

From: Mathew McKernan <matmckernan@...land.com.au>

commit d5627663f2088fa4be447fdcfd52bcb233448d85 upstream.

During detect() we would probe the connection bits to determine if
there was a TV attached, and what video input type (Component, S-Video,
Composite, etc) to use. However, we promptly discarded this vital bit of
information and never propagated it to where it was used to determine
the correct modes and setup the control registers. Fix it!

This fixes a regression from 7b334fcb45b757ffb093696ca3de1b0c8b4a33f1.

Reported-and-tested-by: Mathew McKernan <matmckernan@...land.com.au>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=35977
Signed-off-by: Mathew McKernan <matmckernan@...land.com.au>
Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
Acked-by: Paul Menzel <paulepanter@...rs.sourceforge.net>
Signed-off-by: Keith Packard <keithp@...thp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/i915/intel_tv.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1380,7 +1380,9 @@ intel_tv_detect(struct drm_connector *co
 	if (type < 0)
 		return connector_status_disconnected;
 
+	intel_tv->type = type;
 	intel_tv_find_better_format(connector);
+
 	return connector_status_connected;
 }
 


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