[PATCH v5 2/2] drm/panel: panasonic-vvx10f034n00: transition to mipi_dsi wrapped functions

[Avinal Kumar <avinal.xlvii@gmail.com>]

Change the panasonic-vvx10f034n00 panel to multi
style functions for improved error handling and
remove redundant error printout.

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>
---
 .../drm/panel/panel-panasonic-vvx10f034n00.c  | 24 ++++++++++---------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
index 3c3308fc55df..d21d93a0700e 100644
--- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
+++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
@@ -44,14 +44,23 @@ static inline struct wuxga_nt_panel *to_wuxga_nt_panel(struct drm_panel *panel)
 
 static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt)
 {
-	return mipi_dsi_turn_on_peripheral(wuxga_nt->dsi);
+	struct mipi_dsi_multi_context dsi_ctx = {
+		.dsi = wuxga_nt->dsi
+	};
+
+	mipi_dsi_turn_on_peripheral_multi(&dsi_ctx);
+	return dsi_ctx.accum_err;
 }
 
 static int wuxga_nt_panel_disable(struct drm_panel *panel)
 {
 	struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+	struct mipi_dsi_multi_context dsi_ctx = {
+		.dsi = wuxga_nt->dsi
+	};
 
-	return mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
+	mipi_dsi_shutdown_peripheral_multi(&dsi_ctx);
+	return dsi_ctx.accum_err;
 }
 
 static int wuxga_nt_panel_unprepare(struct drm_panel *panel)
@@ -94,15 +103,8 @@ static int wuxga_nt_panel_prepare(struct drm_panel *panel)
 	msleep(250);
 
 	ret = wuxga_nt_panel_on(wuxga_nt);
-	if (ret < 0) {
-		dev_err(panel->dev, "failed to set panel on: %d\n", ret);
-		goto poweroff;
-	}
-
-	return 0;
-
-poweroff:
-	regulator_disable(wuxga_nt->supply);
+	if (ret < 0)
+		regulator_disable(wuxga_nt->supply);
 
 	return ret;
 }
-- 
2.53.0