[PATCH xf86-video-ati 3/3] present: Wait for screen pixmap BO idle before setting modes for unflip

[michel@xxxxxxxxxxx (Michel Dänzer)]

From: Michel Dänzer <michel.daenzer@xxxxxxx>

To make sure the screen pixmap contents are up to date when it starts
being scanned out.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/radeon_present.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/radeon_present.c b/src/radeon_present.c
index b36e29b19..1b0ddcb82 100644
--- a/src/radeon_present.c
+++ b/src/radeon_present.c
@@ -404,6 +404,8 @@ modeset:
     old_fb_id = info->drmmode.fb_id;
     info->drmmode.fb_id = 0;
 
+    radeon_cs_flush_indirect(scrn);
+    radeon_bo_wait(info->front_bo);
     for (i = 0; i < config->num_crtc; i++) {
 	xf86CrtcPtr crtc = config->crtc[i];
 	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
-- 
2.11.0