1 files changed, 15 insertions, 22 deletions

diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
index 0d397af23afe..86e4213e8bb1 100644
--- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
+++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
@@ -16,7 +16,6 @@
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
 #include <drm/drm_panel.h>
-#include <drm/drm_print.h>
 
 struct kingdisplay_panel {
 	struct drm_panel base;
@@ -191,8 +190,7 @@ static int kingdisplay_panel_disable(struct drm_panel *panel)
 
 	err = mipi_dsi_dcs_set_display_off(kingdisplay->link);
 	if (err < 0)
-		DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
-			      err);
+		dev_err(panel->dev, "failed to set display off: %d\n", err);
 
 	kingdisplay->enabled = false;
 
@@ -209,8 +207,7 @@ static int kingdisplay_panel_unprepare(struct drm_panel *panel)
 
 	err = mipi_dsi_dcs_enter_sleep_mode(kingdisplay->link);
 	if (err < 0) {
-		DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
-			      err);
+		dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
 		return err;
 	}
 
@@ -255,16 +252,14 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel)
 		err = mipi_dsi_generic_write(kingdisplay->link, &init_code[i],
 					sizeof(struct kingdisplay_panel_cmd));
 		if (err < 0) {
-			DRM_DEV_ERROR(panel->dev, "failed write init cmds: %d\n",
-				      err);
+			dev_err(panel->dev, "failed write init cmds: %d\n", err);
 			goto poweroff;
 		}
 	}
 
 	err = mipi_dsi_dcs_exit_sleep_mode(kingdisplay->link);
 	if (err < 0) {
-		DRM_DEV_ERROR(panel->dev, "failed to exit sleep mode: %d\n",
-			      err);
+		dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);
 		goto poweroff;
 	}
 
@@ -273,8 +268,7 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel)
 
 	err = mipi_dsi_dcs_set_display_on(kingdisplay->link);
 	if (err < 0) {
-		DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
-			      err);
+		dev_err(panel->dev, "failed to set display on: %d\n", err);
 		goto poweroff;
 	}
 
@@ -290,8 +284,7 @@ poweroff:
 
 	regulator_err = regulator_disable(kingdisplay->supply);
 	if (regulator_err)
-		DRM_DEV_ERROR(panel->dev, "failed to disable regulator: %d\n",
-			      regulator_err);
+		dev_err(panel->dev, "failed to disable regulator: %d\n", regulator_err);
 
 	return err;
 }
@@ -327,9 +320,9 @@ static int kingdisplay_panel_get_modes(struct drm_panel *panel,
 
 	mode = drm_mode_duplicate(connector->dev, &default_mode);
 	if (!mode) {
-		DRM_DEV_ERROR(panel->dev, "failed to add mode %ux%ux@%u\n",
-			      default_mode.hdisplay, default_mode.vdisplay,
-			      drm_mode_vrefresh(&default_mode));
+		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
+			default_mode.hdisplay, default_mode.vdisplay,
+			drm_mode_vrefresh(&default_mode));
 		return -ENOMEM;
 	}
 
@@ -382,7 +375,9 @@ static int kingdisplay_panel_add(struct kingdisplay_panel *kingdisplay)
 	if (err)
 		return err;
 
-	return drm_panel_add(&kingdisplay->base);
+	drm_panel_add(&kingdisplay->base);
+
+	return 0;
 }
 
 static void kingdisplay_panel_del(struct kingdisplay_panel *kingdisplay)
@@ -421,17 +416,15 @@ static int kingdisplay_panel_remove(struct mipi_dsi_device *dsi)
 
 	err = drm_panel_unprepare(&kingdisplay->base);
 	if (err < 0)
-		DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n",
-			      err);
+		dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err);
 
 	err = drm_panel_disable(&kingdisplay->base);
 	if (err < 0)
-		DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err);
+		dev_err(&dsi->dev, "failed to disable panel: %d\n", err);
 
 	err = mipi_dsi_detach(dsi);
 	if (err < 0)
-		DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n",
-			      err);
+		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
 
 	kingdisplay_panel_del(kingdisplay);