connector_find_mode(dev->fd, &con, resources);
drmModeFreeResources(resources);
+ if (!con.mode) {
+ fprintf(stderr, "failed to find usable connector\n");
+ ret = -EFAULT;
+ goto err_drm_close;
+ }
+
screen_width = con.mode->hdisplay;
screen_height = con.mode->vdisplay;
- printf("screen width = %d, screen height = %d\n", screen_width,
+ if (screen_width == 0 || screen_height == 0) {
+ fprintf(stderr, "failed to find sane resolution on connector\n");
+ ret = -EFAULT;
+ goto err_drm_close;
+ }
+
+ printf("screen width = %d, screen height = %d\n", screen_width,
screen_height);
bo = exynos_create_buffer(dev, screen_width * screen_height * 4, 0);