diff options
| -rw-r--r-- | src/sna/sna_display.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c index bf0b98ff..e893a370 100644 --- a/src/sna/sna_display.c +++ b/src/sna/sna_display.c @@ -1877,9 +1877,11 @@ sna_wait_for_scanline(struct sna *sna, if (crtc == NULL) { crtc = sna_covering_crtc(sna->scrn, clip, NULL, &crtc_box); - assert(crtc); + if (crtc == NULL) + return false; } else sna_crtc_box(crtc, &crtc_box); + assert(sna_crtc_on(crtc)); if (crtc->transform_in_use) { box = *clip; |