linux-kernel - Re: [PATCH 09/11] drm/rockchip: vop2: Add support for rk3588

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Message-ID: <b8605ecb-0244-4ff7-8338-759011dee1b3@rock-chips.com>
Date:   Wed, 15 Nov 2023 10:02:42 +0800
From:   Andy Yan <andy.yan@...k-chips.com>
To:     Heiko Stübner <heiko@...ech.de>,
        Andy Yan <andyshrk@....com>
Cc:     hjc@...k-chips.com, dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, sebastian.reichel@...labora.com,
        kever.yang@...k-chips.com, chris.obbard@...labora.com,
        s.hauer@...gutronix.de
Subject: Re: [PATCH 09/11] drm/rockchip: vop2: Add support for rk3588

Hi Heiko:

On 11/15/23 07:34, Heiko Stübner wrote:
> Hi Andy,
>
> Am Dienstag, 14. November 2023, 12:28:55 CET schrieb Andy Yan:
>> From: Andy Yan <andy.yan@...k-chips.com>
>>
>> VOP2 on rk3588:
>>
>> Four video ports:
>> VP0 Max 4096x2160
>> VP1 Max 4096x2160
>> VP2 Max 4096x2160
>> VP3 Max 2048x1080
>>
>> 4 4K Cluster windows with AFBC/line RGB and AFBC-only YUV support
>> 4 4K Esmart windows with line RGB/YUV support
>>
>> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> not a review yet, but when testing and the display sets a mode,
> I always get a bunch of
>
> 	rockchip-drm display-subsystem: [drm] *ERROR* POST_BUF_EMPTY irq err at vp0
>
> messages in the log (initial mode to console, starting glmark2 from console,
> stopping glmark2 to the console).
>
> I'm not sure what is up with that, have you seen these messages as well
> at some point?

Yes, it will raise POST_BUF_EMPTY when set a mode,  it needs some fix 
like [0]:


I still trying to find a appropriate way to do it with the upstream 
code, as it doesn't affect the

real display function(I must admit that the POST_BUF_EMPTY irq is very 
annoying), so l let  it as

it is in the current version.

By the way, can you see the glmark2 rending on your HDMI monitor now?

[0]https://github.com/Fruit-Pi/kernel/commit/29af993b46f024360e6d02c0d26c9fd3057aa918

>
> Thanks
> Heiko
>
>
>