diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_lvds.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c index 3d2d3bbd1342..4c39de3f4f0f 100644 --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c @@ -88,6 +88,9 @@ static int rcar_lvds_connector_atomic_check(struct drm_connector *connector, const struct drm_display_mode *panel_mode; struct drm_crtc_state *crtc_state; + if (!state->crtc) + return 0; + if (list_empty(&connector->modes)) { dev_dbg(lvds->dev, "connector: empty modes list\n"); return -EINVAL; @@ -350,7 +353,7 @@ static int rcar_lvds_attach(struct drm_bridge *bridge) drm_connector_helper_add(connector, &rcar_lvds_conn_helper_funcs); - ret = drm_mode_connector_attach_encoder(connector, encoder); + ret = drm_connector_attach_encoder(connector, encoder); if (ret < 0) return ret; @@ -431,8 +434,8 @@ static int rcar_lvds_parse_dt(struct rcar_lvds *lvds) ret = -EPROBE_DEFER; } else { lvds->panel = of_drm_find_panel(remote); - if (!lvds->panel) - ret = -EPROBE_DEFER; + if (IS_ERR(lvds->panel)) + ret = PTR_ERR(lvds->panel); } done: |