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

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Date:   Wed, 15 Nov 2023 09:24:55 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Andy Yan <andyshrk@....com>, Andy Yan <andy.yan@...k-chips.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

Am Mittwoch, 15. November 2023, 03:02:42 CET schrieb Andy Yan:
> 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.

okay, so this is a known thing. So no worries and I'm confident that
you'll figure out a way to do this :-)


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

Yes :-D . I do have glmark2 (both es2 and full-gl) running with Boris'
panthor patches [0] merged into my dev-kernel and mesa build
from one his branches [1] .

Heiko


[0] https://gitlab.freedesktop.org/bbrezillon/linux/-/tree/panthor-v3
[1] https://gitlab.freedesktop.org/bbrezillon/mesa/-/tree/v10+panthor-v3+32b+g310+egl15+afrc+afbc?ref_type=heads