Upstream-Status: Backport
Signed-off-by: Jonathan Liu <net147@gmail.com>

From cba29fd8c2f605ed66718aa3a6b5833deb5d4cf9 Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Date: Wed, 3 Apr 2013 12:08:44 +0200
Subject: [PATCH] support 32 bpp pixmaps when 24 bpp fb is used.

Fixes background corruption in ubuntu.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
---
 src/driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/driver.c b/src/driver.c
index 06d6d53..742aadd 100644
--- a/src/driver.c
+++ b/src/driver.c
@@ -650,7 +650,7 @@ PreInit(ScrnInfoPtr pScrn, int flags)
 #endif
     drmmode_get_default_bpp(pScrn, &ms->drmmode, &defaultdepth, &defaultbpp);
     if (defaultdepth == 24 && defaultbpp == 24)
-	    bppflags = Support24bppFb;
+	    bppflags = SupportConvert32to24 | Support24bppFb;
     else
 	    bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
     
-- 
1.8.3