4.4-stable review patch. If anyone has any objections, please let me know.
------------------
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);
}
}
--
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