backend/drm: do not try a pageflip is another one is in pending

7 years ago · 584f06ad2f
parent f0f97280a0
commit 584f06ad2f
1 changed files with 5 additions and 0 deletions
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@ -201,6 +201,11 @@ static void wlr_drm_connector_swap_buffers(struct wlr_output *output) {
 	}
 	uint32_t fb_id = get_fb_for_bo(bo);

+	if (conn->pageflip_pending) {
+		wlr_log(L_ERROR, "Skipping pageflip");
+		return;
+	}
+
 	if (drm->iface->crtc_pageflip(drm, conn, crtc, fb_id, NULL)) {
 		conn->pageflip_pending = true;
 	} else {