linux-kernel - [PATCH 4.14 426/496] drm/panel: simple: Fix the bus format for the Ontat panel

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Message-Id: <20180528100337.697534116@linuxfoundation.org>
Date:   Mon, 28 May 2018 12:03:31 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Eric Anholt <eric@...olt.net>,
        Thierry Reding <thierry.reding@...il.com>,
        Thierry Reding <treding@...dia.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 426/496] drm/panel: simple: Fix the bus format for the Ontat panel

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Anholt <eric@...olt.net>

[ Upstream commit 5651e5e094591f479adad5830ac1bc45196a39b3 ]

This fixes bad color output.  When I was first testing the device I
had the DPI hardware set to 666 mode, but apparently in the refactor
to use the bus_format information from the panel driver, I failed to
actually update the panel.

Signed-off-by: Eric Anholt <eric@...olt.net>
Fixes: e8b6f561b2ee ("drm/panel: simple: Add the 7" DPI panel from Adafruit")
Cc: Thierry Reding <thierry.reding@...il.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180309233332.1769-1-eric@anholt.net
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/panel/panel-simple.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1561,7 +1561,7 @@ static const struct panel_desc ontat_yx7
 		.width = 154,
 		.height = 83,
 	},
-	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
 static const struct drm_display_mode ortustech_com43h4m85ulc_mode  = {