Re: [PATCH 4/7] drm/panel: st7703: Add Panel Rotation Support

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Hi,
On Mon, Feb 12, 2024 at 12:49:47PM -0600, Chris Morgan wrote:
> From: Chris Morgan <macromorgan@xxxxxxxxxxx>
> 
> Add support for panel rotation to ST7703 based devices.
> 
> Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/panel/panel-sitronix-st7703.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
> index 939ba05c9b58..a3e142f156d5 100644
> --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
> +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
> @@ -62,6 +62,7 @@ struct st7703 {
>  
>  	struct dentry *debugfs;
>  	const struct st7703_panel_desc *desc;
> +	enum drm_panel_orientation orientation;
>  };
>  
>  struct st7703_panel_desc {
> @@ -743,12 +744,20 @@ static int st7703_get_modes(struct drm_panel *panel,
>  	return 1;
>  }
>  
> +static enum drm_panel_orientation st7703_get_orientation(struct drm_panel *panel)
> +{
> +	struct st7703 *st7703 = panel_to_st7703(panel);
> +
> +	return st7703->orientation;
> +}
> +
>  static const struct drm_panel_funcs st7703_drm_funcs = {
>  	.disable   = st7703_disable,
>  	.unprepare = st7703_unprepare,
>  	.prepare   = st7703_prepare,
>  	.enable	   = st7703_enable,
>  	.get_modes = st7703_get_modes,
> +	.get_orientation = st7703_get_orientation,
>  };
>  
>  static int allpixelson_set(void *data, u64 val)
> @@ -817,6 +826,10 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
>  		return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
>  				     "Failed to request iovcc regulator\n");
>  
> +	ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
> +	if (ret < 0)
> +		return dev_err_probe(&dsi->dev, ret, "Failed to get orientation\n");
> +
>  	drm_panel_init(&ctx->panel, dev, &st7703_drm_funcs,
>  		       DRM_MODE_CONNECTOR_DSI);

Reviewed-by: Guido Günther <agx@xxxxxxxxxxx>
Cheers,
 -- Guido

>  
> -- 
> 2.34.1
> 



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