linux-kernel - Re: [PATCH v5 00/14] Add display driver for MT8188 VDOSYS1

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Date:   Tue, 18 Jul 2023 11:24:49 +0000
From:   Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>
To:     "fshao@...omium.org" <fshao@...omium.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v5 00/14] Add display driver for MT8188 VDOSYS1

Hi Fei,

On Tue, 2023-07-18 at 16:08 +0800, Fei Shao wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  Hi Hsiao-Chien,
> 
> On Tue, Jun 27, 2023 at 2:50 PM Hsiao Chien Sung
> <shawn.sung@...iatek.com> wrote:
> >
> > Support MT8188 VDOSYS1 in display driver.
> 
> I'm testing this series with my local MT8188 setup + an external 4K
> display, and I feel there is something missing in it.

Yes, there is a patch for fixing DPI misconfiguration (.input_2pixel =
true), but since I'm not DPI owner, didn't include that in this patch.

> With these patches the external display can be lit up on my end, but
> I
> only see glitches and no meaningful content is rendered.
> Could you check again and send the updated series with the fix?

Will discuss with DPI owner and merge that fix into this series and re-
send it again if you would like to.

> 
> Thanks,
> Fei

Thanks,
Hsiao Chien Sung