[PATCH v8 6/6] drm_modes: add of_videomode helpers

[Thierry Reding]

On Mon, Nov 12, 2012 at 04:37:06PM +0100, Steffen Trumtrar wrote:
[...]
> +#if IS_ENABLED(CONFIG_OF_VIDEOMODE)
> +static void dump_drm_displaymode(struct drm_display_mode *m)
> +{
> +	pr_debug("drm_displaymode = %d %d %d %d %d %d %d %d %d\n",
> +		 m->hdisplay, m->hsync_start, m->hsync_end, m->htotal,
> +		 m->vdisplay, m->vsync_start, m->vsync_end, m->vtotal,
> +		 m->clock);

I seem to remember a comment to an earlier version of this patch
requesting better formatting of this string. Alternatively you might
want to consider replacing it using drm_mode_debug_printmodeline().

> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
[...]
> @@ -1457,6 +1458,10 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
>  
>  extern int videomode_to_display_mode(struct videomode *vm,
>  				     struct drm_display_mode *dmode);
> +extern int of_get_drm_display_mode(struct device_node *np,
> +				   struct drm_display_mode *dmode,
> +				   int index);

Also requires either a dummy or protection.

Thierry
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