linux-kernel - Re: [PATCH v2 11/11] clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 08 Feb 2021 10:22:55 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        linux-arm-msm@...r.kernel.org
Cc:     konrad.dybcio@...ainline.org, marijn.suijten@...ainline.org,
        martin.botka@...ainline.org, phone-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org, agross@...nel.org,
        bjorn.andersson@...aro.org, mturquette@...libre.com,
        robh+dt@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Subject: Re: [PATCH v2 11/11] clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting

Quoting AngeloGioacchino Del Regno (2021-01-14 14:10:59)
> The GPU PLL0 is not a fixed PLL and the rate can be set on it:
> this is necessary especially on boards which bootloader is setting
> a very low rate on this PLL before booting Linux, which would be
> unsuitable for postdividing to reach the maximum allowed Adreno GPU
> frequency of 710MHz (or, actually, even 670MHz..) on this SoC.
> 
> To allow setting rates on the GPU PLL0, also define VCO boundaries
> and set the CLK_SET_RATE_PARENT flag to the GPU PLL0 postdivider.
> 
> With this change, the Adreno GPU is now able to scale through all
> the available frequencies.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
> ---

Applied to clk-next