| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.6 134/203] drm: atmel-hlcdc: actually disable scaling when no scaling is required | Date | Mon, 25 Jul 2016 13:55:49 -0700 |
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4.6-stable review patch. If anyone has any objections, please let me know.
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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); } }
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