linux-kernel - Re: [PATCH 2/9] drm/meson: vclk: drop hdmi system clock setup

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Message-ID: <CAFBinCB6x3cs3HvrZLaL+qpF1bfuMiRO0nywJPYDa+QUj3c3=Q@mail.gmail.com>
Date: Tue, 6 Aug 2024 22:24:49 +0200
From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To: Jerome Brunet <jbrunet@...libre.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Kevin Hilman <khilman@...libre.com>, dri-devel@...ts.freedesktop.org, 
	linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/9] drm/meson: vclk: drop hdmi system clock setup

On Tue, Jul 30, 2024 at 2:50 PM Jerome Brunet <jbrunet@...libre.com> wrote:
>
> Poking the HHI syscon is a way to setup clocks behind CCF's back.
> Also, 2 drm code paths, the encoder and the hdmi-phy, are racing to do the
> same setup of the HDMI system clock.
>
> This clock is used is used by the HDMI phy and should not be set by the
> encoder, so drop those HHI pokes from vclk.
>
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>