[PATCH xf86-video-ati] Enable DRI3 by default when building for Xorg >= 1.18.3

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

Seems to work well enough in general now.

Signed-off-by: Michel Dänzer <michel.daenzer at 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 c35c951..940aad2 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -1722,7 +1722,11 @@ 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) {
-- 
2.8.1