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Subject: Re: [PATCH] clk: mediatek: clk-mt8195-vdo0: Set rate on vdo0_dp_intf0_dp_intf's parent
From:   Stephen Boyd <sboyd@kernel.org>
Cc:     matthias.bgg@gmail.com, wenst@chromium.org,
        miles.chen@mediatek.com, chun-jie.chen@mediatek.com,
        linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        rex-bc.chen@mediatek.com
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>, mturquette@baylibre.com
Date:   Thu, 16 Jun 2022 17:11:32 -0700
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Message-Id: <20220617001134.9AD0CC34114@smtp.kernel.org>
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Quoting AngeloGioacchino Del Regno (2022-06-16 01:48:44)
> Il 16/06/22 04:44, Stephen Boyd ha scritto:
> > Quoting AngeloGioacchino Del Regno (2022-06-14 02:10:20)
> >> Add the CLK_SET_RATE_PARENT flag to the CLK_VDO0_DP_INTF0_DP_INTF
> >> clock: this is required to trigger clock source selection on
> >> CLK_TOP_EDP, while avoiding to manage the enablement of the former
> >> separately from the latter in the displayport driver.
> >>
> >> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@c=
ollabora.com>
> >> ---
> >=20
> > Any Fixes tag?
>=20
> Backporting is useless because there's no DisplayPort driver that support=
s MT8195
> in the previous kernel versions, so this clock (and whatever logic behind=
 it) is
> unused.
>=20
> Though, if you think that's going to be useful in any way, I can add one?
>=20

It's always useful. A Fixes tag doesn't mean anything for backporting to
stable kernels.