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 Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support") Cc: stable@vger.kernel.org --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index aef3ca8..016c191 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -339,6 +339,8 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane,
atmel_hlcdc_layer_update_cfg(&plane->layer, 13, 0xffffffff, factor_reg); + } else { + atmel_hlcdc_layer_update_cfg(&plane->layer, 13, 0xffffffff, 0); } }