lease-manager: Check that DRM device is viable for modesetting

[src/drm-lease-manager.git] / drm-lease-manager / lease-manager.c

diff --git a/drm-lease-manager/lease-manager.c b/drm-lease-manager/lease-manager.c
index 885ca29..51a4613 100644 (file)
--- a/drm-lease-manager/lease-manager.c
+++ b/drm-lease-manager/lease-manager.c
@@ -532,6 +532,13 @@ static struct lm *drm_device_get_resources(const char *device)
                goto err;
        }
 
+       if (lm->drm_resource->count_connectors <= 0 ||
+               lm->drm_resource->count_crtcs <= 0 ||
+               lm->drm_resource->count_encoders <= 0) {
+               DEBUG_LOG("Insufficient DRM resources on device(%s)\n", device);
+               goto err;
+       }
+
        lm->drm_plane_resource = drmModeGetPlaneResources(lm->drm_fd);
        if (!lm->drm_plane_resource) {
                DEBUG_LOG("drmModeGetPlaneResources failed: %s\n",