linux-kernel - Re: [PATCH v2 10/10] clk: mediatek: clk-mt8192: Add clock mux notifier for mfg_pll

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Message-ID: <CAGXv+5EtRTux22ERqCXTDL-Ooo5qa6u=KWO5=m_s4U3sPoLp3g@mail.gmail.com>
Date:   Mon, 26 Sep 2022 11:23:31 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     matthias.bgg@...il.com, mturquette@...libre.com, sboyd@...nel.org,
        miles.chen@...iatek.com, rex-bc.chen@...iatek.com,
        nfraprado@...labora.com, chun-jie.chen@...iatek.com,
        jose.exposito89@...il.com, drinkcat@...omium.org,
        weiyi.lu@...iatek.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Subject: Re: [PATCH v2 10/10] clk: mediatek: clk-mt8192: Add clock mux
 notifier for mfg_pll_sel

On Thu, Sep 15, 2022 at 3:25 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> Following the changes that were done for mt8183, add a clock notifier
> for the GPU PLL selector mux: this allows safe clock rate changes by
> temporarily reparenting the GPU to a safe clock (clk26m) while the
> MFGPLL is reprogrammed and stabilizes.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>