File U_04-Enable-DRI3-by-default-when-building-for-Xorg-1.18.3.patch of Package xf86-video-ati

From: Michel Dänzer <michel.daenzer@amd.com>
Date: Tue May 10 19:02:20 2016 +0900
Subject: [PATCH 4/20]Enable DRI3 by default when building for Xorg >= 1.18.3
Patch-mainline: Upstream
Git-repo: git://anongit.freedesktop.org/xorg/driver/xf86-video-ati
Git-commit: 1181b9c582f10b6c523e4b2988e2ce87ecf3d367
References: bsc#990066
Signed-off-by: Max Staudt <mstaudt@suse.de>

Seems to work well enough in general now.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 man/radeon.man   | 2 ++
 src/radeon_kms.c | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/man/radeon.man b/man/radeon.man
index 1acdc63..cacafb5 100644
--- a/man/radeon.man
+++ b/man/radeon.man
@@ -270,6 +270,8 @@ Sea Islands.
 .BI "Option \*qDRI\*q \*q" integer \*q
 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.
 .TP
 .BI "Option \*qEnablePageFlip\*q \*q" boolean \*q
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index f9abc09..0ced370 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -1725,7 +1725,11 @@ Bool RADEONScreenInit_KMS(SCREEN_INIT_ARGS_DECL)
     }
 #endif

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

     if (!info->r600_shadow_fb) {