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@xxxxxxxxxxxxxxx> know about it. >From 1b7e38b92b0bbd363369f5160f13f4d26140972d Mon Sep 17 00:00:00 2001 From: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx> Reported-by: Alex Vazquez <avazquez.dev@xxxxxxxxx> Reviewed-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx> Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support") Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxxxxxxxxxxx are queue-4.4/drm-atmel-hlcdc-actually-disable-scaling-when-no-scaling-is-required.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html