Re: [PATCH v2 05/15] drm/atmel-hlcdc: Use per-plane rotation property

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Hi Ville,

On Fri, 22 Jul 2016 18:47:01 +0300
ville.syrjala@xxxxxxxxxxxxxxx wrote:

> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> The global mode_config.rotation_property is going away, switch over to
> per-plane rotation_property.
> 
> v2: Propagate error upwards (Boris)
> 
> Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 37 +++++++++++++------------
>  1 file changed, 20 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index f3350c80704d..ee9bd7a938c3 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -883,9 +883,9 @@ static int atmel_hlcdc_plane_atomic_get_property(struct drm_plane *p,
>  	return 0;
>  }
>  
> -static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> -				const struct atmel_hlcdc_layer_desc *desc,
> -				struct atmel_hlcdc_plane_properties *props)
> +static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> +					     const struct atmel_hlcdc_layer_desc *desc,
> +					     struct atmel_hlcdc_plane_properties *props)
>  {
>  	struct regmap *regmap = plane->layer.hlcdc->regmap;
>  
> @@ -902,10 +902,18 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
>  				ATMEL_HLCDC_LAYER_GA_MASK);
>  	}
>  
> -	if (desc->layout.xstride && desc->layout.pstride)
> -		drm_object_attach_property(&plane->base.base,
> -				plane->base.dev->mode_config.rotation_property,
> -				BIT(DRM_ROTATE_0));
> +	if (desc->layout.xstride && desc->layout.pstride) {
> +		int ret;
> +
> +		ret = drm_plane_create_rotation_property(&plane->base,
> +							 BIT(DRM_ROTATE_0),
> +							 BIT(DRM_ROTATE_0) |
> +							 BIT(DRM_ROTATE_90) |
> +							 BIT(DRM_ROTATE_180) |
> +							 BIT(DRM_ROTATE_270));
> +		if (ret)
> +			return ret;
> +	}
>  
>  	if (desc->layout.csc) {
>  		/*
> @@ -925,6 +933,8 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
>  			     ATMEL_HLCDC_LAYER_CSC_CFG(&plane->layer, 2),
>  			     0x40040890);
>  	}
> +
> +	return 0;
>  }
>  
>  static struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = {
> @@ -1036,7 +1046,9 @@ atmel_hlcdc_plane_create(struct drm_device *dev,
>  			     &atmel_hlcdc_layer_plane_helper_funcs);
>  
>  	/* Set default property values*/
> -	atmel_hlcdc_plane_init_properties(plane, desc, props);
> +	ret = atmel_hlcdc_plane_init_properties(plane, desc, props);
> +	if (ret)
> +		return ERR_PTR(ret);

Shouldn't we call drm_plane_cleanup() here?

>  
>  	return plane;
>  }
> @@ -1054,15 +1066,6 @@ atmel_hlcdc_plane_create_properties(struct drm_device *dev)
>  	if (!props->alpha)
>  		return ERR_PTR(-ENOMEM);
>  
> -	dev->mode_config.rotation_property =
> -			drm_mode_create_rotation_property(dev,
> -							  BIT(DRM_ROTATE_0) |
> -							  BIT(DRM_ROTATE_90) |
> -							  BIT(DRM_ROTATE_180) |
> -							  BIT(DRM_ROTATE_270));
> -	if (!dev->mode_config.rotation_property)
> -		return ERR_PTR(-ENOMEM);
> -
>  	return props;
>  }
>  

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