Re: [PATCH 06/10] drm/imx: Use __drm_atomic_helper_plane_reset instead of copying the logic

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Hi Alexandru,

On Fri, 2018-07-20 at 22:15 +0100, Alexandru Gheorghe wrote:
> Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@xxxxxxx>
> ---
>  drivers/gpu/drm/imx/ipuv3-plane.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
> index 203f247d4854..1bd4de03ce9e 100644
> --- a/drivers/gpu/drm/imx/ipuv3-plane.c
> +++ b/drivers/gpu/drm/imx/ipuv3-plane.c
> @@ -281,16 +281,14 @@ static void ipu_plane_state_reset(struct drm_plane *plane)
>  		ipu_state = to_ipu_plane_state(plane->state);
>  		__drm_atomic_helper_plane_destroy_state(plane->state);
>  		kfree(ipu_state);
> +		plane->state = NULL;

With __drm_atomic_helper_plane_reset as-is, this could be dropped ...

>  	}
>  
>  	ipu_state = kzalloc(sizeof(*ipu_state), GFP_KERNEL);
>  
> -	if (ipu_state) {
> -		ipu_state->base.plane = plane;
> -		ipu_state->base.rotation = DRM_MODE_ROTATE_0;
> -	}
> +	if (ipu_state)
> +		__drm_atomic_helper_plane_reset(plane, &ipu_state->base);

... if this is change to just

	__drm_atomic_helper_plane_reset(plane, &ipu_state->base);

>  
> -	plane->state = &ipu_state->base;
>  }
>  
>  static struct drm_plane_state *

regards
Philipp
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