Re: [PATCH 02/22] drm/atmel-hlcdc: Use simple encoder

[Sam Ravnborg <sam@ravnborg.org>]

On Thu, Mar 05, 2020 at 04:59:30PM +0100, Thomas Zimmermann wrote:
> The atmel-hlcdc driver uses an empty implementation for its encoder.
> Replace the code with the generic simple encoder.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>

> ---
>  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
> index e2019fe97fff..43bc709e3523 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
> @@ -11,9 +11,10 @@
>  #include <linux/media-bus-format.h>
>  #include <linux/of_graph.h>
>  
> +#include <drm/drm_bridge.h>
>  #include <drm/drm_encoder.h>
>  #include <drm/drm_of.h>
> -#include <drm/drm_bridge.h>
> +#include <drm/drm_simple_kms_helper.h>
>  
>  #include "atmel_hlcdc_dc.h"
>  
> @@ -22,10 +23,6 @@ struct atmel_hlcdc_rgb_output {
>  	int bus_fmt;
>  };
>  
> -static const struct drm_encoder_funcs atmel_hlcdc_panel_encoder_funcs = {
> -	.destroy = drm_encoder_cleanup,
> -};
> -
>  static struct atmel_hlcdc_rgb_output *
>  atmel_hlcdc_encoder_to_rgb_output(struct drm_encoder *encoder)
>  {
> @@ -98,9 +95,8 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, int endpoint)
>  		return -EINVAL;
>  	}
>  
> -	ret = drm_encoder_init(dev, &output->encoder,
> -			       &atmel_hlcdc_panel_encoder_funcs,
> -			       DRM_MODE_ENCODER_NONE, NULL);
> +	ret = drm_simple_encoder_init(dev, &output->encoder,
> +				      DRM_MODE_ENCODER_NONE);
>  	if (ret)
>  		return ret;
>  
> -- 
> 2.25.1
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