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-rw-r--r--drm-common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drm-common.c b/drm-common.c
index 5c9cca2..eb5ac20 100644
--- a/drm-common.c
+++ b/drm-common.c
@@ -310,7 +310,7 @@ int init_drm(struct drm *drm, const char *device, const char *mode_str,
drm->crtc_id = encoder->crtc_id;
} else {
uint32_t crtc_id = find_crtc_for_connector(drm, resources, connector);
- if (crtc_id == 0) {
+ if (crtc_id == -1) {
printf("no crtc found!\n");
return -1;
}