Re: [PATCH 3/9] arm64: dts: qcom: sc7280: Enable MDP turbo mode

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On 2/22/24 10:04, Dmitry Baryshkov wrote:
On Thu, 22 Feb 2024 at 10:56, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:



On 2/22/24 00:41, Dmitry Baryshkov wrote:
On Thu, 22 Feb 2024 at 01:19, Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> wrote:

The max frequency listed in the DPU opp-table is 506MHz, this is not
sufficient to drive a 4k@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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