[PATCH 3/9] arm64: dts: qcom: sc7280: Enable MDP turbo mode
Konrad Dybcio
konrad.dybcio at linaro.org
Thu Feb 22 09:28:19 UTC 2024
On 2/22/24 10:04, Dmitry Baryshkov wrote:
> On Thu, 22 Feb 2024 at 10:56, Konrad Dybcio <konrad.dybcio at linaro.org> wrote:
>>
>>
>>
>> On 2/22/24 00:41, Dmitry Baryshkov wrote:
>>> On Thu, 22 Feb 2024 at 01:19, Bjorn Andersson <quic_bjorande at quicinc.com> wrote:
>>>>
>>>> The max frequency listed in the DPU opp-table is 506MHz, this is not
>>>> sufficient to drive a 4k at 60 display, resulting in constant underrun.
>>>>
>>>> Add the missing MDP_CLK turbo frequency of 608MHz to the opp-table to
>>>> fix this.
>>>
>>> I think we might want to keep this disabled for ChromeOS devices. Doug?
>>
>> ChromeOS devices don't get a special SoC
>
> But they have the sc7280-chrome-common.dtsi, which might contain a
> corresponding /delete-node/ .
What does that change? The clock rates are bound to the
SoC and the effective values are limited by link-frequencies
or the panel driver.
Konrad
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