This is a note to let you know that I've just added the patch titled
video: ARM CLCD: runtime check for Versatile
to the 4.5-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-arm-clcd-runtime-check-for-versatile.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f36fdacc5fcdca7b0c0d89f031fcdc89717e0be3 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@xxxxxxxxxx>
Date: Tue, 23 Feb 2016 11:01:38 +0100
Subject: video: ARM CLCD: runtime check for Versatile
From: Linus Walleij <linus.walleij@xxxxxxxxxx>
commit f36fdacc5fcdca7b0c0d89f031fcdc89717e0be3 upstream.
The current compile-time check for inversed IENB/CNTL does not
work in multiplatform boots: as soon as versatile is included
in the build, the IENB/CNTL is switched and breaks graphics.
Convert this to a runtime switch.
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Fixes: a29da136de34 ("ARM: versatile: convert to multi-platform")
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/fbdev/amba-clcd.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -440,13 +440,14 @@ static int clcdfb_register(struct clcd_f
fb->off_ienb = CLCD_PL111_IENB;
fb->off_cntl = CLCD_PL111_CNTL;
} else {
-#ifdef CONFIG_ARCH_VERSATILE
- fb->off_ienb = CLCD_PL111_IENB;
- fb->off_cntl = CLCD_PL111_CNTL;
-#else
- fb->off_ienb = CLCD_PL110_IENB;
- fb->off_cntl = CLCD_PL110_CNTL;
-#endif
+ if (of_machine_is_compatible("arm,versatile-ab") ||
+ of_machine_is_compatible("arm,versatile-pb")) {
+ fb->off_ienb = CLCD_PL111_IENB;
+ fb->off_cntl = CLCD_PL111_CNTL;
+ } else {
+ fb->off_ienb = CLCD_PL110_IENB;
+ fb->off_cntl = CLCD_PL110_CNTL;
+ }
}
fb->clk = clk_get(&fb->dev->dev, NULL);
Patches currently in stable-queue which might be from linus.walleij@xxxxxxxxxx are
queue-4.5/pinctrl-mediatek-correct-debounce-time-unit-in-mtk_gpio_set_debounce.patch
queue-4.5/pinctrl-single-fix-pcs_parse_bits_in_pinctrl_entry-to-use-__ffs-than-ffs.patch
queue-4.5/video-arm-clcd-runtime-check-for-versatile.patch
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