linux-kernel - Re: [v2 2/2] clk: qcom: dispcc: Update the transition delay for MDSS GDSC

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Message-Id: <20220225002136.C4277C340E9@smtp.kernel.org>
Date:   Thu, 24 Feb 2022 16:21:35 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Taniya Das <tdas@...eaurora.org>
Cc:     Rajendra Nayak <rnayak@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Taniya Das <tdas@...eaurora.org>
Subject: Re: [v2 2/2] clk: qcom: dispcc: Update the transition delay for MDSS GDSC

Quoting Taniya Das (2022-02-23 10:56:06)
> On SC7180 we observe black screens because the gdsc is being
> enabled/disabled very rapidly and the GDSC FSM state does not work as
> expected. This is due to the fact that the GDSC reset value is being
> updated from SW.
> 
> The recommended transition delay for mdss core gdsc updated for
> SC7180/SC7280/SM8250.
> 
> Fixes: dd3d06622138 ("clk: qcom: Add display clock controller driver for SC7180")
> Fixes: 1a00c962f9cd ("clk: qcom: Add display clock controller driver for SC7280")
> Fixes: 80a18f4a8567 ("clk: qcom: Add display clock controller driver for SM8150 and SM8250")
> Signed-off-by: Taniya Das <tdas@...eaurora.org>
> ---

Applied to clk-fixes