diff options
Diffstat (limited to 'src/common_drm.c')
| -rw-r--r-- | src/common_drm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/common_drm.c b/src/common_drm.c index 19110d1..263301e 100644 --- a/src/common_drm.c +++ b/src/common_drm.c @@ -1329,6 +1329,10 @@ xf86CrtcPtr common_drm_covering_crtc(ScrnInfoPtr pScrn, BoxPtr box, BoxRec crtc_box, cover_box; int coverage, best_coverage, c; + /* If we do not own the VT, we do not own the CRTC */ + if (!pScrn->vtSema) + return NULL; + best_crtc = NULL; best_coverage = 0; box_ret->x1 = box_ret->x2 = box_ret->y1 = box_ret->y2 = 0; |