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

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Message-ID: <13cfb66b-f904-4720-8829-a6d9db85aaa5@broadcom.com>
Date: Sun, 24 Nov 2024 09:00:01 -0800
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Maxime Ripard <mripard@...nel.org>,
 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>,
 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 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@...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.

I will be taking in the DTS patche shortly. Thanks!
-- 
Florian