[PATCH] drm: atmel-hlcdc: actually disable scaling when no scaling is required

[Nicolas Ferre]

Le 01/06/2016 13:42, Boris Brezillon a écrit :
> 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 at free-electrons.com>
> Reported-by: Alex Vazquez <avazquez.dev at gmail.com>
> Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support")
> Cc: <stable at vger.kernel.org>

Reviewed-by: Nicolas Ferre <nicolas.ferre at atmel.com>

Thanks!

> ---
>  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);
>  	}
>  }
>  
> 


-- 
Nicolas Ferre