Do not allow gamma control without a crtc
@@ -232,15 +232,23 @@ static void wlr_drm_connector_set_gamma(struct wlr_output *output,
uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
+
+ if (conn->crtc) {
drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size);
}
+}
static uint32_t wlr_drm_connector_get_gamma_size(struct wlr_output *output) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
+
+ if (conn->crtc) {
return drm->iface->crtc_get_gamma_size(drm, conn->crtc);
}
+ return 0;
+}
+
void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn) {
if (conn->state != WLR_DRM_CONN_CONNECTED) {
return;
