[Intel-gfx] [PATCH] Initialize flip_count before using it

[Li Peng]

Otherwise it would be a random value and drmmode_page_flip_handler()
won't have a chance to call I830DRI2FlipEventHandler() and indicate
a full page flip is complete.

Signed-off-by: Li Peng <peng.li at intel.com>
---
 src/drmmode_display.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index ae200ca..0172a2e 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1464,6 +1464,7 @@ Bool drmmode_pre_init(ScrnInfoPtr scrn, int fd, int cpp)
 		xf86DrvMsg(scrn->scrnIndex, X_INFO,
 			   "Kernel page flipping support detected, enabling\n");
 		intel->use_pageflipping = TRUE;
+		drmmode->flip_count = 0;
 		drmmode->event_context.version = DRM_EVENT_CONTEXT_VERSION;
 		drmmode->event_context.vblank_handler = drmmode_vblank_handler;
 		drmmode->event_context.page_flip_handler =
-- 
1.6.1.3