linux-kernel - Re: [PATCH v4 1/3] drm/vc4: Turn the V3D clock on at runtime.

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Date:   Mon, 1 May 2017 17:59:59 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Eric Anholt <eric@...olt.net>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 1/3] drm/vc4: Turn the V3D clock on at runtime.

On Fri, Apr 28, 2017 at 5:42 PM, Eric Anholt <eric@...olt.net> wrote:
> For the Raspberry Pi's bindings, the power domain also implicitly
> turns on the clock and deasserts reset, but for the new Cygnus port we
> start representing the clock in the devicetree.
>
> v2: Document the clock-names property, check for -ENOENT for no clock
>     in DT.
> v3: Drop NULL checks around clk calls which embed NULL checks.
> v4: Drop clk-names (feedback by Rob Herring)
>
> Signed-off-by: Eric Anholt <eric@...olt.net>
> ---
>  .../devicetree/bindings/display/brcm,bcm-vc4.txt   |  3 +++
>  drivers/gpu/drm/vc4/vc4_drv.h                      |  1 +
>  drivers/gpu/drm/vc4/vc4_v3d.c                      | 31 +++++++++++++++++++++-
>  3 files changed, 34 insertions(+), 1 deletion(-)

Acked-by: Rob Herring <robh@...nel.org>