Let's be a bit more consistent with our error values.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
        obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
        if (!obj) {
                DRM_ERROR("cannot find crtc %d\n", crtc_id);
-               return -EINVAL;
+               return -ENOENT;
        }
        crtc = obj_to_crtc(obj);
        radeon_crtc = to_radeon_crtc(crtc);
 
        obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
        if (!obj) {
                DRM_ERROR("cannot find crtc %d\n", crtc_id);
-               return -EINVAL;
+               return -ENOENT;
        }
        crtc = obj_to_crtc(obj);
        radeon_crtc = to_radeon_crtc(crtc);