linux-kernel - Re: [PATCH v3 000/105] drm/vc4: Support BCM2711 Display Pipeline

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Message-ID: <105e05a5-f5cf-1344-f56b-3000568d86ca@i2se.com>
Date:   Tue, 2 Jun 2020 22:12:59 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Maxime Ripard <maxime@...no.tech>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Eric Anholt <eric@...olt.net>
Cc:     devicetree@...r.kernel.org, Tim Gover <tim.gover@...pberrypi.com>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Kamal Dasu <kdasu.kdev@...il.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-clk@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Phil Elwell <phil@...pberrypi.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 000/105] drm/vc4: Support BCM2711 Display Pipeline

Hi Maxime,

Am 27.05.20 um 17:47 schrieb Maxime Ripard:
> Hi everyone,
>
> Here's a (pretty long) series to introduce support in the VC4 DRM driver
> for the display pipeline found in the BCM2711 (and thus the RaspberryPi 4).
>
> The main differences are that there's two HDMI controllers and that there's
> more pixelvalve now. Those pixelvalve come with a mux in the HVS that still
> have only 3 FIFOs. Both of those differences are breaking a bunch of
> expectations in the driver, so we first need a good bunch of cleanup and
> reworks to introduce support for the new controllers.
>
> Similarly, the HDMI controller has all its registers shuffled and split in
> multiple controllers now, so we need a bunch of changes to support this as
> well.
>
> Only the HDMI support is enabled for now (even though the DPI output has
> been tested too).
>
> This is based on the firmware clocks series sent separately:
> https://lore.kernel.org/lkml/cover.662a8d401787ef33780d91252a352de91dc4be10.1590594293.git-series.maxime@cerno.tech/
>
> Let me know if you have any comments
> Maxime
>
> Cc: bcm-kernel-feedback-list@...adcom.com
> Cc: devicetree@...r.kernel.org
> Cc: Kamal Dasu <kdasu.kdev@...il.com>
> Cc: linux-clk@...r.kernel.org
> Cc: Michael Turquette <mturquette@...libre.com>
> Cc: Philipp Zabel <p.zabel@...gutronix.de>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Stephen Boyd <sboyd@...nel.org>
>
> Changes from v2:
>   - Rebased on top of next-20200526
i assume this is the reason why this series doesn't completely apply
against drm-misc-next.