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From:   Eric Anholt <eric@anholt.net>
Date:   Wed, 27 May 2020 09:27:17 -0700
Message-ID: <CADaigPU2YUoffXjaaBOxWRni3thKW9gM0+yr75TRgpeeW3CXaw@mail.gmail.com>
Subject: Re: [PATCH v3 012/105] drm/vc4: drv: Support BCM2711
To:     Maxime Ripard <maxime@cerno.tech>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
        DRI Development <dri-devel@lists.freedesktop.org>,
        linux-rpi-kernel@lists.infradead.org,
        bcm-kernel-feedback-list@broadcom.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Dave Stevenson <dave.stevenson@raspberrypi.com>,
        Tim Gover <tim.gover@raspberrypi.com>,
        Phil Elwell <phil@raspberrypi.com>
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On Wed, May 27, 2020 at 8:49 AM Maxime Ripard <maxime@cerno.tech> wrote:
>
> The BCM2711 has a reworked display pipeline, and the load tracker needs
> some adjustement to operate properly. Let's add a compatible for BCM2711
> and disable the load tracker until properly supported.
>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
>  drivers/gpu/drm/vc4/vc4_drv.c   |  1 +-
>  drivers/gpu/drm/vc4/vc4_drv.h   |  3 ++-
>  drivers/gpu/drm/vc4/vc4_kms.c   | 42 +++++++++++++++++++++++-----------
>  drivers/gpu/drm/vc4/vc4_plane.c |  5 ++++-
>  4 files changed, 38 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
> index 76f93b662766..d7f554a6f0ed 100644
> --- a/drivers/gpu/drm/vc4/vc4_drv.c
> +++ b/drivers/gpu/drm/vc4/vc4_drv.c
> @@ -364,6 +364,7 @@ static int vc4_platform_drm_remove(struct platform_device *pdev)
>  }
>
>  static const struct of_device_id vc4_of_match[] = {
> +       { .compatible = "brcm,bcm2711-vc5", },
>         { .compatible = "brcm,bcm2835-vc4", },
>         { .compatible = "brcm,cygnus-vc4", },
>         {},

Patch 6 Acked-by: Eric Anholt <eric@anholt.net>
Patch 7-11 Reviewed-by: Eric Anholt <eric@anholt.net>

This one to start probing needs to move later in the series once the
vc5 support is actually present in the driver.