Re: [PATCH v2 1/3] arm64: dts: renesas: Prepare AA1024XD12 panel .dtsi for overlay support

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Geert,

On Thu, Jul 07, 2022 at 09:30:23AM +0200, Geert Uytterhoeven wrote:
> On Thu, Jul 7, 2022 at 4:25 AM Laurent Pinchart wrote:
> > On Thu, Jan 27, 2022 at 01:57:05AM +0200, Laurent Pinchart wrote:
> > > On Wed, Jan 26, 2022 at 08:15:26PM +0100, Geert Uytterhoeven wrote:
> > > > On Wed, Jan 26, 2022 at 7:58 PM Laurent Pinchart wrote:
> > > > > On Wed, Jan 26, 2022 at 01:18:56PM +0100, Geert Uytterhoeven wrote:
> > > > > > On Wed, Dec 29, 2021 at 8:31 PM Laurent Pinchart wrote:
> > > > > > > The Mitsubishi AA1024XD12 panel can be used for R-Car Gen2 and Gen3
> > > > > > > boards as an optional external panel. It is described in the
> > > > > > > arm/boot/dts/r8a77xx-aa104xd12-panel.dtsi file as a direct child of the
> > > > > > > DT root node. This allows including r8a77xx-aa104xd12-panel.dtsi in
> > > > > > > board device trees, with other minor modifications, to enable the panel.
> > > > > > >
> > > > > > > This is however not how external components should be modelled. Instead
> > > > > > > of modifying the board device tree to enable the panel, it should be
> > > > > > > compiled as a DT overlay, to be loaded by the boot loader.
> > > > > > >
> > > > > > > Prepare the r8a77xx-aa104xd12-panel.dtsi file for this usage by
> > > > > > > declaring a panel node only, without hardcoding its path. Overlay
> > > > > > > sources can then include r8a77xx-aa104xd12-panel.dtsi where appropriate.
> > > > > > >
> > > > > > > This change doesn't cause any regression as r8a77xx-aa104xd12-panel.dtsi
> > > > > > > is currently unused. As overlay support for this panel has only been
> > > > > > > tested with Gen3 hardware, and Gen2 support will require more
> > > > > > > development, move the file to arch/arm64/boot/dts/renesas/.
> > > > > > >
> > > > > > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> > > >
> > > > > I see you've reviewed the whole series. Can you pick it up ?
> > > >
> > > > I believe it depends on the removal of the empty endpoints, for which
> > > > we're waiting for feedback from Rob, IIRC?
> > >
> > > You're right. Let's wait some more time then.
> >
> > How should we proceed with this ?
> 
> That dependency is commit 747bbcd3aacd95fe ("arm64: dts: renesas:
> Remove empty rgb output endpoints") in v5.19-rc1, right?
> So I can take this for v5.20, or are any other changes needed?
> 
> Please confirm.

To my knowledge everything is good and ready to go.

-- 
Regards,

Laurent Pinchart