[RFC][PATCH 2/3] drm/modes: Make width-mm/height-mm mandatory in of_get_drm_panel_display_mode()

[Laurent Pinchart]

On Fri, Apr 01, 2022 at 10:36:24PM +0200, Marek Vasut wrote:
> On 4/1/22 20:46, Laurent Pinchart wrote:
> > On Fri, Apr 01, 2022 at 06:37:54PM +0200, Marek Vasut wrote:
> >> Make the width-mm/height-mm panel properties mandatory in
> >> of_get_drm_panel_display_mode(), print error message and
> >> return -ve in case these DT properties are not present.
> >> This is needed to correctly report panel dimensions.
> > 
> > Can we guarantee this won't cause a regression ?
> 
> For the upstream DTs, I think we can.
> For downstream DTs, we cannot know.

Are there users of this function whose DT bindings don't require the
width-mm and height-mm properties ?

-- 
Regards,

Laurent Pinchart