RE: [PATCH v4 0/4] Add support for RZ/G2UL Display Unit

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Hi Laurent,

> -----Original Message-----
> From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Sent: Friday, August 23, 2024 4:00 PM
> Subject: Re: [PATCH v4 0/4] Add support for RZ/G2UL Display Unit
> 
> Hi Biju,
> 
> On Fri, Aug 23, 2024 at 01:52:14PM +0000, Biju Das wrote:
> > On Friday, August 23, 2024 2:15 PM, Laurent Pinchart wrote:
> > > On Thu, Aug 22, 2024 at 05:23:13PM +0100, Biju Das wrote:
> > > > This patch series aims to add support for RZ/G2UL DU.
> > > >
> > > > The LCD controller is composed of Frame Compression Processor
> > > > (FCPVD), Video Signal Processor (VSPD), and Display Unit (DU).
> > > >
> > > > The output of LCDC is connected display parallel interface (DPI)
> > > > and supports a maximum resolution of WXGA along with 2 RPFs to
> > > > support the blending of two picture layers and raster operations
> > > > (ROPs)
> > > >
> > > > It is similar to LCDC IP on RZ/G2L SoCs, but does not have DSI interface.
> > > >
> > > > v3->v4:
> > > >  * Restored the ports property for RZ/G2UL and described port@0 for the
> > > >    DPI interface in bindings patch.
> > > >  * Restored tags from Geert and Conor as the change is trivial
> > > >    (Replaced port 1->0 from v2).
> > > >  * Used "&" instead of "==" in rzg2l_du_start_stop() for scalability.
> > > >  * Restored port variable in struct rzg2l_du_output_routing
> > > >  * Updated rzg2l_du_encoders_init() to handle port based on hardware indices.
> > > >  * Restored ports property in du node and used port@0 for connected
> > > >    DPI interface.
> > > > v2->v3:
> > > >  * Split patch series based on subsystem from DU patch series [1].
> > > >  * Replaced ports->port property for RZ/G2UL as it supports only DPI
> > > >    and retained ports property for RZ/{G2L,V2L} as it supports both DSI
> > > >    and DPI output interface.
> > > >  * Added missing blank line before example.
> > > >  * Dropped tags from Conor and Geert as there are new changes in
> > > > bindings
> > > >  * Avoided the line break in rzg2l_du_start_stop() for rstate.
> > > >  * Replaced port->du_output in  struct rzg2l_du_output_routing and
> > > >    dropped using the port number to indicate the output type in
> > > >    rzg2l_du_encoders_init().
> > > >  * Updated rzg2l_du_r9a07g043u_info and rzg2l_du_r9a07g044_info.
> > > >
> > > >  [1]
> > > > https://lore.kernel.org/all/20240709135152.185042-1-biju.das.jz@bp
> > > > .renesas.com/
> > > > v1->v2:
> > > >  * Updated cover letter header "DU IP->Display Unit".
> > > >  * Updated commit description related to non ABI breakage for patch#3.
> > > >  * Added Ack from Conor for binding patches.
> > > >
> > > > Biju Das (4):
> > > >   dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings
> > > >   drm: renesas: rz-du: Add RZ/G2UL DU Support
> > >
> > > The first two patches look good to me. Do you have access to
> > > drm-misc, will you push them yourself, or do you expect a maintainer to pick them up ?
> >
> > I don’t have access to drm-misc. I expect a maintainer to pick it
> > up(Maybe via rcar-du tree or drm-misc tree), or else if it is ok, what is the procedure to get
> access for drm-misc tree??
> 
> You can find instructions to request drm-misc commit access at
> https://drm.pages.freedesktop.org/maintainer-tools/committer/commit-access.html

Thanks for the link. Meantime, I have requested for access [1]
[1] https://gitlab.freedesktop.org/drm/misc/kernel/-/issues/48

Cheers,
Biju

> 
> Tomi, to avoid delays, could you push the first two patches to drm-misc ?
> 
> > > >   arm64: dts: renesas: r9a07g043u: Add DU node
> > > >   arm64: dts: renesas: r9a07g043u11-smarc: Enable DU
> > > >
> > > >  .../bindings/display/renesas,rzg2l-du.yaml    |  32 ++++-
> > > >  arch/arm64/boot/dts/renesas/r9a07g043u.dtsi   |  25 ++++
> > > >  .../boot/dts/renesas/r9a07g043u11-smarc.dts   | 111 ++++++++++++++++++
> > > >  drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c |   8 +-
> > > >  drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c  |  11 ++
> > > >  drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c  |   3 +-
> > > >  6 files changed, 185 insertions(+), 5 deletions(-)
> 
> --
> Regards,
> 
> Laurent Pinchart




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