File Free-front-buffer-bo-when-X-exit.patch of Package xorg-x11-driver-video

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File Free-front-buffer-bo-when-X-exit.patch of Package xorg-x11-driver-video (Revision 1cb2f2a302e773009e4f2cda717d3873)

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From 865aa9354eb3d8f3e195b04fa01d35a23cf63ea6 Mon Sep 17 00:00:00 2001
From: Shuang He <shuang.he@intel.com>
Date: Sat, 18 Apr 2009 11:48:08 +0800
Subject: Free front buffer bo when X exit

It's needed when KMS or DRI2 is enabled, or there will be memory leak.
Also fixes a segfault at startup with fake bufmgr.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 src/i830_driver.c |    6 ++++++
 src/i830_exa.c    |    6 ++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/i830_driver.c b/src/i830_driver.c
index 48e2351..0233da9 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -3713,6 +3713,12 @@ I830CloseScreen(int scrnIndex, ScreenPtr pScreen)
        pI830->uxa_driver = NULL;
    }
 #endif
+   if (pI830->front_buffer) {
+	i830_set_pixmap_bo(pScreen->GetScreenPixmap(pScreen), NULL);
+	i830_free_memory(pScrn, pI830->front_buffer);
+	pI830->front_buffer = NULL;
+   }
+
    xf86_cursors_fini (pScreen);
 
    i830_allocator_fini(pScrn);
diff --git a/src/i830_exa.c b/src/i830_exa.c
index 39011bc..9c8a8af 100644
--- a/src/i830_exa.c
+++ b/src/i830_exa.c
@@ -812,7 +812,8 @@ i830_set_pixmap_bo(PixmapPtr pixmap, dri_bo *bo)
 	dri_bo_unreference (old_bo);
 #if I830_USE_UXA
     if (i830->accel == ACCEL_UXA) {
-	dri_bo_reference(bo);
+	if (bo != NULL)
+	    dri_bo_reference(bo);
 	dixSetPrivate(&pixmap->devPrivates, &uxa_pixmap_index, bo);
     }
 #endif
@@ -821,7 +822,8 @@ i830_set_pixmap_bo(PixmapPtr pixmap, dri_bo *bo)
 	struct i830_exa_pixmap_priv *driver_priv =
 	    exaGetPixmapDriverPrivate(pixmap);
 	if (driver_priv) {
-	    dri_bo_reference(bo);
+	    if (bo != NULL)
+		dri_bo_reference(bo);
 	    driver_priv->bo = bo;
 	}
     }
-- 
1.6.1.3

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File Free-front-buffer-bo-when-X-exit.patch of Package xorg-x11-driver-video (Revision 1cb2f2a302e773009e4f2cda717d3873)

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