Patch picked up from Redhat xorg release:

Patch by John Dennis <jdennis@redhat.com> which fixes DRI locking bug on
    ia64 architecture.
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104338
    http://bugs.xfree86.org/show_bug.cgi?id=778

diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index 0b6e93f..b44e428 100644 (file)
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -281,8 +281,8 @@ typedef struct _drmSetVersion {
 
 #define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
 
-#define DRM_LOCK_HELD  0x80000000 /**< Hardware lock is held */
-#define DRM_LOCK_CONT  0x40000000 /**< Hardware lock is contended */
+#define DRM_LOCK_HELD  0x80000000U /**< Hardware lock is held */
+#define DRM_LOCK_CONT  0x40000000U /**< Hardware lock is contended */
 
 #if defined(__GNUC__) && (__GNUC__ >= 2)
 # if defined(__i386) || defined(__AMD64__)