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

[Marek Vasut]

On 4/1/22 20:46, Laurent Pinchart wrote:

Hi,

> 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.