From: Kristian Høgsberg <krh@bitplanet.net>
Date: Wed, 18 Jan 2012 16:47:41 +0000 (-0500)
Subject: drm: Complain if pageflip fails
X-Git-Tag: upstream/0.1.8~3010
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=54f14c3c3ebc28f4fe5249474b3ae7edd47ea066;p=profile%2Fivi%2Fweston-ivi-shell.git

drm: Complain if pageflip fails

We still don't handle the error in any way, but there's not much we can do.
It's typically a case of not having drm master."
---

diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index c07eb2d..b5914a4 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -112,9 +112,12 @@ drm_output_present(struct weston_output *output_base)
 		fb_id = output->fb_id[output->current ^ 1];
 	}
 
-	drmModePageFlip(c->drm.fd, output->crtc_id,
-			fb_id,
-			DRM_MODE_PAGE_FLIP_EVENT, output);
+	if (drmModePageFlip(c->drm.fd, output->crtc_id,
+			    fb_id,
+			    DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
+		fprintf(stderr, "queueing pageflip failed: %m\n");
+		return -1;
+	}
 
 	return 0;
 }