linux-kernel - Re: [PATCH v2 3/3] arm64: dts: qcom: sc8280xp: Add Huawei Matebook E Go (sc8280xp)

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Message-ID: <20241223130732.76968-1-mitltlatltl@gmail.com>
Date: Mon, 23 Dec 2024 21:07:31 +0800
From: Pengyu Luo <mitltlatltl@...il.com>
To: konrad.dybcio@....qualcomm.com
Cc: andersson@...nel.org,
	chenxuecong2009@...look.com,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	gty0622@...il.com,
	johan+linaro@...nel.org,
	konradybcio@...nel.org,
	krzk+dt@...nel.org,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	mitltlatltl@...il.com,
	robh@...nel.org
Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: sc8280xp: Add Huawei Matebook E Go (sc8280xp)

On Mon, Dec 23, 2024 at 8:25 PM Konrad Dybcio <konrad.dybcio@....qualcomm.com> wrote:
> On 21.12.2024 8:57 AM, Pengyu Luo wrote:
> > Messing up, reply again to fix thread.
> >
> > On Sat, Dec 21, 2024 at 5:14 AM Konrad Dybcio <konrad.dybcio@....qualcomm.com> wrote:
> >> On 20.12.2024 5:05 PM, Pengyu Luo wrote:
> >>
> >
> > [...]
> >
> >>> +     chosen {
> >>> +             #address-cells = <2>;
> >>> +             #size-cells = <2>;
> >>> +             ranges;
> >>> +
> >>> +             framebuffer0: framebuffer@...00000 {
> >>> +                     compatible = "simple-framebuffer";
> >>> +                     reg = <0x0 0xc6200000 0x0 0x02400000>;
> >>> +                     width = <1600>;
> >>> +                     height = <2560>;
> >>> +                     stride = <(1600 * 4)>;
> >>> +                     format = "a8r8g8b8";
> >>> +             };
> >>> +     };
> >>
> >> I still don't understand why efifb doesn't work for you.
> >>
> >
> > In v1, you asked me
>
> Ahh sorry, I churn through a lot of emails and sometimes forget things.
>
> >
> >> Very very weird. Are you booting with clk_ignore_unused pd_ignore_unused
> >> in kernel cmdline?
> >
> > I said yes, as Johan suggested in here (see [1]). I am adding Johan.
> >
> >> Could you share your .config file?
> >
> > Here please, https://pastebin.com/UKew61ZC
>
> All the things one would expect for efifb to show up seem to be there.
>
> Maybe try earlycon=efifb video=efifb?

Not work, whether or not adding clk_ignore_unused pd_ignore_unused.

>
> Konrad

Best wishes,
Pengyu