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

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Message-ID: <20241122-orthodox-mantis-of-reading-2dcdcf@houat>
Date: Fri, 22 Nov 2024 09:06:52 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Dave Stevenson <dave.stevenson@...pberrypi.com>
Cc: Maíra Canal <mcanal@...lia.com>, 
	Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Florian Fainelli <florian.fainelli@...adcom.com>, 
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, Ray Jui <rjui@...adcom.com>, 
	Scott Branden <sbranden@...adcom.com>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Javier Martinez Canillas <javierm@...hat.com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Stefan Wahren <wahrenst@....net>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, 
	Dom Cobley <popcornmix@...il.com>
Subject: Re: [PATCH 00/37] drm/vc4: Add support for BCM2712 / Pi5 display
 hardware

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@...pberrypi.com> 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.

Maxime

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