linux-kernel - Re: [PATCH v4 3/4] arm64/dts/qcom/sdm845: remove assigned-clock-rate property for mdp clk

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Date:   Thu, 3 Mar 2022 14:06:24 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Vinod Polimera <quic_vpolimer@...cinc.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, robdclark@...il.com,
        dianders@...omium.org, quic_kalyant@...cinc.com
Subject: Re: [PATCH v4 3/4] arm64/dts/qcom/sdm845: remove assigned-clock-rate
 property for mdp clk

Quoting Vinod Polimera (2022-03-03 01:40:00)
> Kernel clock driver assumes that initial rate is the
> max rate for that clock and was not allowing it to scale
> beyond the assigned clock value.
>
> Drop the assigned clock rate property and vote on the mdp clock as per
> calculated value during the usecase.
>
> Fixes: 08c2a076d1("arm64: dts: qcom: sdm845: Add dpu to sdm845 dts file")
> Signed-off-by: Vinod Polimera <quic_vpolimer@...cinc.com>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>