File U_09-Don-t-enable-DRI3-by-default-with-EXA.patch of Package xf86-video-ati

From: Michel Dänzer <michel.daenzer@amd.com>
Date: Tue Jul 12 17:36:27 2016 +0900
Subject: [PATCH 9/20]Don't enable DRI3 by default with EXA
Patch-mainline: Upstream
Git-repo: git://anongit.freedesktop.org/xorg/driver/xf86-video-ati
Git-commit: 94fe42f29e0b00a26e810581d6c438ac6d8ecd8a
References: bsc#990066
Signed-off-by: Max Staudt <mstaudt@suse.de>

It doesn't work correctly in all cases, see e.g.
https://bugs.freedesktop.org/show_bug.cgi?id=95475 . I'm not sure this
is fixable, given EXA's architecture.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 man/radeon.man   | 5 +++--
 src/radeon_kms.c | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/man/radeon.man b/man/radeon.man
index cacafb5..44603a5 100644
--- a/man/radeon.man
+++ b/man/radeon.man
@@ -271,8 +271,9 @@ Sea Islands.
 Define the maximum level of DRI to enable. Valid values are 2 for DRI2 or 3 for DRI3.
 The default is
 .B 3 for DRI3
-if the driver was compiled for Xorg >= 1.18.3, otherwise
-.B 2 for DRI2.
+if the driver was compiled for Xorg >= 1.18.3 and glamor is enabled, otherwise
+.B 2 for DRI2. Note:
+DRI3 may not work correctly in all cases with EXA, enable at your own risk.
 .TP
 .BI "Option \*qEnablePageFlip\*q \*q" boolean \*q
 Enable DRI2 page flipping.  The default is
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index 3ba9945..a618513 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -1726,7 +1726,7 @@ Bool RADEONScreenInit_KMS(SCREEN_INIT_ARGS_DECL)
 #endif

 #if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,18,3,0,0)
-    value = TRUE;
+    value = info->use_glamor;
 #else
     value = FALSE;
 #endif