File modes-Fixup-broken-panel-modes-if-possible.patch of Package xorg-x11-driver-video-radeonhd

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File modes-Fixup-broken-panel-modes-if-possible.patch of Package xorg-x11-driver-video-radeonhd (Revision 445e5c996bf11083f5f58978966203e9)

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From 08acc05a4c252ff5c55ed1c8f55f106aa6c68546 Mon Sep 17 00:00:00 2001
From: Matthias Hopf <mhopf@suse.de>
Date: Wed, 20 May 2009 18:14:29 +0200
Subject: [PATCH] modes: Fixup broken panel modes if possible

Panels only, and if we can do so only. Otherwise we might have no chance of
driving the panel at all. Inspired by commit 57a02b50c from the intel driver.
Fixes Novell bug #472013.
---
 src/rhd_monitor.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/src/rhd_monitor.c b/src/rhd_monitor.c
index 5234c7b..8c15391 100644
--- a/src/rhd_monitor.c
+++ b/src/rhd_monitor.c
@@ -382,6 +382,21 @@ rhdMonitorPanel(struct rhdConnector *Connector)
 	return NULL;
     }
 
+    /* Fixup some broken modes - if we can do so, otherwise we might have no
+     * chance of driving the panel at all */
+    if (Monitor->NativeMode) {
+
+	/* Some Panels have H or VSyncEnd values greater than H or VTotal. */
+	if (Monitor->NativeMode->HTotal <= Monitor->NativeMode->HSyncEnd)
+	    Monitor->NativeMode->HTotal =  Monitor->NativeMode->CrtcHTotal = Monitor->NativeMode->HSyncEnd + 1;
+	if (Monitor->NativeMode->VTotal <= Monitor->NativeMode->VSyncEnd)
+	    Monitor->NativeMode->VTotal =  Monitor->NativeMode->CrtcVTotal = Monitor->NativeMode->VSyncEnd + 1;
+	if (Monitor->NativeMode->CrtcHBlankEnd <= Monitor->NativeMode->CrtcHSyncEnd)
+	    Monitor->NativeMode->CrtcHBlankEnd  = Monitor->NativeMode->CrtcHSyncEnd + 1;
+	if (Monitor->NativeMode->CrtcVBlankEnd <= Monitor->NativeMode->CrtcVSyncEnd)
+	    Monitor->NativeMode->CrtcVBlankEnd =  Monitor->NativeMode->CrtcVSyncEnd + 1;
+    }
+
     /* panel should be driven at native resolution only. */
     Monitor->UseFixedModes = TRUE;
     Monitor->ReducedAllowed = TRUE;
-- 
1.6.0.2

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File modes-Fixup-broken-panel-modes-if-possible.patch of Package xorg-x11-driver-video-radeonhd (Revision 445e5c996bf11083f5f58978966203e9)

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