Re: [PATCH 02/10] drm/panel/samsung-s6e63m0: Use refcounted allocation in place of devm_kzalloc()

[Neil Armstrong]

On 5/7/26 13:53, Albert Esteve wrote:
> Move to using the new API devm_drm_panel_alloc() to allocate the
> panel. In the call to the new API, avoid using explicit type and use
> __typeof() for more type safety.
>
> Signed-off-by: Albert Esteve <aesteve@xxxxxxxxxx>
> ---
>   drivers/gpu/drm/panel/panel-samsung-s6e63m0.c | 14 +++++++-------
>   1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c
> index ea241c89593b6..997115b1e541d 100644
> --- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c
> +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c
> @@ -677,9 +677,13 @@ int s6e63m0_probe(struct device *dev, void *trsp,
>   	u32 max_brightness;
>   	int ret;
>   
> -	ctx = devm_kzalloc(dev, sizeof(struct s6e63m0), GFP_KERNEL);
> -	if (!ctx)
> -		return -ENOMEM;
> +	ctx = devm_drm_panel_alloc(dev, __typeof(*ctx), panel,
> +				  &s6e63m0_drm_funcs,
> +				  dsi_mode ? DRM_MODE_CONNECTOR_DSI :
> +				  DRM_MODE_CONNECTOR_DPI);
> +
> +	if (IS_ERR(ctx))
> +		return PTR_ERR(ctx);
>   
>   	ctx->transport_data = trsp;
>   	ctx->dsi_mode = dsi_mode;
> @@ -712,10 +716,6 @@ int s6e63m0_probe(struct device *dev, void *trsp,
>   		return PTR_ERR(ctx->reset_gpio);
>   	}
>   
> -	drm_panel_init(&ctx->panel, dev, &s6e63m0_drm_funcs,
> -		       dsi_mode ? DRM_MODE_CONNECTOR_DSI :
> -		       DRM_MODE_CONNECTOR_DPI);
> -
>   	ret = s6e63m0_backlight_register(ctx, max_brightness);
>   	if (ret < 0)
>   		return ret;

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>

Thanks,
Neil