Re: [PATCH 00/37] drm/vc4: Add support for BCM2712 / Pi5 display hardware

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On Sun, 24 Nov 2024 at 17:00, Florian Fainelli
<florian.fainelli@xxxxxxxxxxxx> wrote:
>
>
>
> On 11/22/2024 12:06 AM, Maxime Ripard wrote:
> > On Thu, Nov 21, 2024 at 03:37:00PM +0000, Dave Stevenson wrote:
> >> On Wed, 23 Oct 2024 at 17:50, Dave Stevenson
> >> <dave.stevenson@xxxxxxxxxxxxxxx> wrote:
> >>>
> >>> This series adds the required DRM, clock, and DT changes
> >>> required to support the display hardware on Pi5.
> >>> There are a couple of minor fixes first before the main patches.
> >>>
> >>> Many of the patches were authored by Maxime whilst working
> >>> for us, however there have been a number of fixes squashed
> >>> into his original patches as issues have been found. I also
> >>> reworked the way UBM allocations are done to avoid double
> >>> buffering of the handles as they are quite a limited resource.
> >>>
> >>> There are 2 variants of the IP. Most Pi5's released to date
> >>> have used the C1 step of the SoC, whilst the 2GB Pi5 released
> >>> in August is using the D0 step, as will other boards in future.
> >>>
> >>> Due to various reasons the register map got reworked between
> >>> the steps, so there is extra code to handle the differences.
> >>> Which step is in use is read out of the hardware, so they
> >>> share a compatible string.
> >>
> >> A gentle ping on the patches for clk-raspberrypi (patches 29-33) and
> >> Broadcom DT (patches 34-36).
> >>
> >> All the DRM and dtbinding ones are reviewed or acked (thank you!).
> >
> > If the bindings and DRM patches are all merged, you can merge these at
> > least.
>
> I will be taking in the DTS patche shortly. Thanks!

Thank you Florian and Stephen.

I messed up and pinged the v1 cover note :( V2 is
https://lore.kernel.org/linux-arm-kernel/20241025-drm-vc4-2712-support-v2-0-35efa83c8fc0@xxxxxxxxxxxxxxx/
Thank you Florian for grabbing the correct version anyway, although
there weren't any changes to the DT side anyway.

V2 includes fixing Maxime's comment on "[PATCH 31/37] clk: bcm: rpi:
Allow cpufreq driver to also adjust gpu clocks" that Stephen also
commented on.

Stephen: Sorry, maintaining newbie, particularly for clocks. I see in
linux-clk patchwork they are marked as "Awaiting Upstream". What, if
anything, do I need to do on those?

I've pushed the v2 DRM patches with dtbindings, so the clock changes
are the only ones left.

Thanks again.
  Dave

> --
> Florian
>



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