linux-kernel - Re: [v2,03/10] drm/sun4i: Protect the TCON pixel clocks

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Message-ID: <20180226111547.adm6cfvccceipgqh@flea.lan>
Date:   Mon, 26 Feb 2018 12:15:47 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Giulio Benetti <giulio.benetti@...ronovasrl.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [v2,03/10] drm/sun4i: Protect the TCON pixel clocks

On Sat, Feb 24, 2018 at 12:31:36AM +0100, Giulio Benetti wrote:
> Il 21/02/2018 10:20, Maxime Ripard ha scritto:
> > From: Maxime Ripard <maxime.ripard@...e-electrons.com>
> > 
> > Both TCON clocks are very sensitive to clock changes, since any change
> > might lead to improper timings.
> > 
> > Make sure our rate is never changed.
> > 
> > Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Tested-by: Giulio Benetti <giulio.benetti@...ronovasrl.com>
> 
> Tested on A20-LiNova1-4_3i-ctp with Mali r6p2 installed.
> Before Mali changed dotclock, now it doesn't anymore.

Applied, thanks!
Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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