This is a note to let you know that I've just added the patch titled
video: atmel_lcdfb: ensure the hardware is initialized with the correct mode
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
video-atmel_lcdfb-ensure-the-hardware-is-initialized-with-the-correct-mode.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7d3477d801808a5037a511cf5a5aae5718e7ecce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antoine=20T=C3=A9nart?= <antoine.tenart@xxxxxxxxxxxxxxxxxx>
Date: Fri, 7 Mar 2014 17:20:54 +0100
Subject: video: atmel_lcdfb: ensure the hardware is initialized with the correct mode
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From: =?UTF-8?q?Antoine=20T=C3=A9nart?= <antoine.tenart@xxxxxxxxxxxxxxxxxx>
commit 7d3477d801808a5037a511cf5a5aae5718e7ecce upstream.
If no driver takeover the atmel_lcdfb, the lcd won't be in a working state
since atmel_lcdfb_set_par() will never be called. Enabling a driver which does,
like fbcon, will call the function and put atmel_lcdfb in a working state.
Fixes: b985172b328a (video: atmel_lcdfb: add device tree suport)
Signed-off-by: Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
Reported-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/atmel_lcdfb.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -1298,6 +1298,12 @@ static int __init atmel_lcdfb_probe(stru
goto unregister_irqs;
}
+ ret = atmel_lcdfb_set_par(info);
+ if (ret < 0) {
+ dev_err(dev, "set par failed: %d\n", ret);
+ goto unregister_irqs;
+ }
+
dev_set_drvdata(dev, info);
/*
Patches currently in stable-queue which might be from antoine.tenart@xxxxxxxxxxxxxxxxxx are
queue-3.14/video-atmel_lcdfb-ensure-the-hardware-is-initialized-with-the-correct-mode.patch
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