[PATCH 1/3] present: Requery pending flips with the right sync_flip mode

[Chris Wilson]

When verifying whether a pending flip is still valid, we need to pass
down the orignal sync_flip mode (e.g. if the driver only supports sync
flips, verifying a async flip will falsely fail).

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 present/present.c      | 5 +++--
 present/present_priv.h | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/present/present.c b/present/present.c
index 4a1cf0c..ce978f4 100644
--- a/present/present.c
+++ b/present/present.c
@@ -453,6 +453,7 @@ present_flip_notify(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
     screen_priv->flip_window = vblank->window;
     screen_priv->flip_serial = vblank->serial;
     screen_priv->flip_pixmap = vblank->pixmap;
+    screen_priv->flip_sync = vblank->sync_flip;
     screen_priv->flip_idle_fence = vblank->idle_fence;
 
     vblank->pixmap = NULL;
@@ -541,14 +542,14 @@ present_check_flip_window (WindowPtr window)
          * Check current flip
          */
         if (window == screen_priv->flip_window) {
-            if (!present_check_flip(screen_priv->flip_crtc, window, screen_priv->flip_pixmap, FALSE, NULL, 0, 0))
+            if (!present_check_flip(screen_priv->flip_crtc, window, screen_priv->flip_pixmap, screen_priv->flip_sync, NULL, 0, 0))
                 present_unflip(screen);
         }
     }
 
     /* Now check any queued vblanks */
     xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) {
-        if (vblank->queued && vblank->flip && !present_check_flip(vblank->crtc, window, vblank->pixmap, FALSE, NULL, 0, 0))
+        if (vblank->queued && vblank->flip && !present_check_flip(vblank->crtc, window, vblank->pixmap, vblank->sync_flip, NULL, 0, 0))
             vblank->flip = FALSE;
     }
 }
diff --git a/present/present_priv.h b/present/present_priv.h
index f5c1652..110c925 100644
--- a/present/present_priv.h
+++ b/present/present_priv.h
@@ -93,6 +93,7 @@ typedef struct present_screen_priv {
     uint32_t                    flip_serial;
     PixmapPtr                   flip_pixmap;
     present_fence_ptr           flip_idle_fence;
+    Bool                        flip_sync;
 
     present_screen_info_ptr     info;
 } present_screen_priv_rec, *present_screen_priv_ptr;
-- 
2.1.4