linux-kernel - Re: [Freedreno] [PATCH 1/3] drm/msm/dpu: Add DPU_INTF_DATABUS

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Date:   Fri, 16 Jun 2023 23:58:26 +0200
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Sean Paul <sean@...rly.run>
Subject: Re: [Freedreno] [PATCH 1/3] drm/msm/dpu: Add DPU_INTF_DATABUS_WIDEN
 feature flag for DPU >= 5.0

On 2023-06-16 14:13:22, Abhinav Kumar wrote:
<snip>
> > As I've asked many times before, we should inline these masks (not just
> > the macros) (disclaimer: haven't reviewed if Dmitry's series actually
> > does so!).
> > 
> 
> Yes it does inline it. I am halfway through that rework got stuck in one 
> of the patches.

Neat, I'm still going through it but there are some conflicts with other
reworks that make it harder to review and test in parallel.

> >>>>> Tested this on SM8350 which actually has DSI 2.5, and it is also
> >>>>> corrupted with this series so something else on this series might be
> >>>>> broken.
> >>>>>
> >>>
> >>> Missed this response. That seems strange.
> > 
> > No worries.  But don't forget to look at the comments on patch 2/3
> > either.  Some of it is a continuation of pclk scaling factor for DSC
> > which discussion seems to have ceased on.
> > 
> >>> This series was tested on SM8350 HDK with a command mode panel.
> >>>
> >>> We will fix the DPU-DSI handshake and post a v2 but your issue needs
> >>> investigation in parallel.
> >>>
> >>> So another bug to track that would be great.
> > 
> > Will see if I can set that up for you!
> > 
> 
> Now, it seems this is resolved so bug is not needed?

Indeed, as mentioned in another message.  Looking forward to v2.

- Marijn