linux-kernel - [PATCH 2/3] drm/panel: jh057n00900: Move mipi_dsi_dcs_set_display

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Date:   Fri, 26 Jul 2019 11:21:42 +0200
From:   Guido Günther <agx@...xcpu.org>
To:     Guido Günther <agx@...xcpu.org>,
        Purism Kernel Team <kernel@...i.sm>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] drm/panel: jh057n00900: Move mipi_dsi_dcs_set_display_off to disable()

This makes it symmetric with the panel init happening in enable().

Signed-off-by: Guido Günther <agx@...xcpu.org>
---
 drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c b/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
index c6b4bfd79fde..cc89831e30a6 100644
--- a/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
+++ b/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
@@ -158,19 +158,23 @@ static int jh057n_enable(struct drm_panel *panel)
 static int jh057n_disable(struct drm_panel *panel)
 {
 	struct jh057n *ctx = panel_to_jh057n(panel);
+	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+	int ret;
+
+	ret = backlight_disable(ctx->backlight);
+	if (ret < 0)
+		return ret;
 
-	return backlight_disable(ctx->backlight);
+	return mipi_dsi_dcs_set_display_off(dsi);
 }
 
 static int jh057n_unprepare(struct drm_panel *panel)
 {
 	struct jh057n *ctx = panel_to_jh057n(panel);
-	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
 
 	if (!ctx->prepared)
 		return 0;
 
-	mipi_dsi_dcs_set_display_off(dsi);
 	regulator_disable(ctx->iovcc);
 	regulator_disable(ctx->vcc);
 	ctx->prepared = false;
-- 
2.20.1