On Tue, Nov 13, 2012 at 12:35:18PM +0100, Thierry Reding wrote:
> 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().
>
Ah, yes. I only did that for fb_videomode and forgot about this one.
But the existing function is even better.
> > 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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