From: <gregkh@linuxfoundation.org>
To: boris.brezillon@free-electrons.com, avazquez.dev@gmail.com,
gregkh@linuxfoundation.org, nicolas.ferre@atmel.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "drm: atmel-hlcdc: actually disable scaling when no scaling is required" has been added to the 4.4-stable tree
Date: Sun, 24 Jul 2016 16:53:03 -0700 [thread overview]
Message-ID: <1469404383163155@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
drm: atmel-hlcdc: actually disable scaling when no scaling is required
to the 4.4-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:
drm-atmel-hlcdc-actually-disable-scaling-when-no-scaling-is-required.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 1b7e38b92b0bbd363369f5160f13f4d26140972d Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@free-electrons.com>
Date: Fri, 27 May 2016 16:09:25 +0200
Subject: drm: atmel-hlcdc: actually disable scaling when no scaling is required
From: Boris Brezillon <boris.brezillon@free-electrons.com>
commit 1b7e38b92b0bbd363369f5160f13f4d26140972d upstream.
The driver is only enabling scaling, but never disabling it, thus, if you
enable the scaling feature once it stays enabled forever.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Alex Vazquez <avazquez.dev@gmail.com>
Reviewed-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -335,6 +335,8 @@ atmel_hlcdc_plane_update_pos_and_size(st
atmel_hlcdc_layer_update_cfg(&plane->layer, 13, 0xffffffff,
factor_reg);
+ } else {
+ atmel_hlcdc_layer_update_cfg(&plane->layer, 13, 0xffffffff, 0);
}
}
Patches currently in stable-queue which might be from boris.brezillon@free-electrons.com are
queue-4.4/drm-atmel-hlcdc-actually-disable-scaling-when-no-scaling-is-required.patch
reply other threads:[~2016-07-24 23:53 UTC|newest]
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