linux-kernel - [PATCH 5.4 047/434] drm/panel: Add missing drm_panel

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Date:   Sun, 29 Dec 2019 18:21:40 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 047/434] drm/panel: Add missing drm_panel_init() in panel drivers

From: Laurent Pinchart <laurent.pinchart@...asonboard.com>

[ Upstream commit 65abbda8ed7ca48c8807d6b04a77431b438fa659 ]

Panels must be initialised with drm_panel_init(). Add the missing
function call in the panel-raspberrypi-touchscreen.c and
panel-sitronix-st7789v.c drivers.

Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Sam Ravnborg <sam@...nborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823193245.23876-2-laurent.pinchart@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 1 +
 drivers/gpu/drm/panel/panel-sitronix-st7789v.c        | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
index b5b14aa059ea..2aa89eaecf6f 100644
--- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
@@ -426,6 +426,7 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c,
 		return PTR_ERR(ts->dsi);
 	}
 
+	drm_panel_init(&ts->base);
 	ts->base.dev = dev;
 	ts->base.funcs = &rpi_touchscreen_funcs;
 
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 5e3e92ea9ea6..3b2612ae931e 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -381,6 +381,7 @@ static int st7789v_probe(struct spi_device *spi)
 	spi_set_drvdata(spi, ctx);
 	ctx->spi = spi;
 
+	drm_panel_init(&ctx->panel);
 	ctx->panel.dev = &spi->dev;
 	ctx->panel.funcs = &st7789v_drm_funcs;
 
-- 
2.20.1