From 1e21885cde3bde872a8dee0350983424baedb719 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Sat, 26 Mar 2011 15:39:24 +0800
Subject: gralloc: improve radeon sync issue

---
 src/gralloc/gralloc_gem_radeon.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/gralloc/gralloc_gem_radeon.c')

diff --git a/src/gralloc/gralloc_gem_radeon.c b/src/gralloc/gralloc_gem_radeon.c
index 334263ee2f..5ff0136c8e 100644
--- a/src/gralloc/gralloc_gem_radeon.c
+++ b/src/gralloc/gralloc_gem_radeon.c
@@ -26,6 +26,11 @@
  *    Dave Airlie <airlied@redhat.com>
  */
 
+/*
+ * XXX This driver assumes evergreen.  It works, but is slow and has sync
+ * issues.
+ */
+
 #define LOG_TAG "GRALLOC-RADEON"
 
 #include <cutils/log.h>
@@ -191,8 +196,8 @@ static void
 drm_gem_radeon_init_features(struct drm_module_t *drm)
 {
    drm->mode_dirty_fb = 0;
-   /* XXX there are synchronization issues */
-   drm->mode_page_flip = 0;
+   drm->mode_page_flip = 1;
+   drm->mode_page_flip_blocking = 1;
    drm->swap_interval = 1;
    drm->vblank_secondary = 0;
 }
-- 
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