Re: [PATCH] Revert "drm/msm/dp: set self refresh aware based on PSR support"

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On Mon, 5 Jun 2023 at 13:02, Johan Hovold <johan@xxxxxxxxxx> wrote:
>
> [ +CC: Thorsten and regzbot so they can help with tracking this
> regression ]
>
> #regzbot introduced: v6.3..v6.4-rc1
>
> On Tue, May 23, 2023 at 05:16:46PM +0200, Johan Hovold wrote:
> > This reverts commit 1844e680d56bb0c4e0489138f2b7ba2dc1c988e3.
> >
> > PSR support clearly is not ready for mainline and specifically breaks
> > virtual terminals which are no longer updated when PSR is enabled (e.g.
> > no keyboard input is echoed, no cursor blink).
> >
> > Disable PSR support for now by reverting commit 1844e680d56b
> > ("drm/msm/dp: set self refresh aware based on PSR support").
> >
> > Cc: Vinod Polimera <quic_vpolimer@xxxxxxxxxxx>
> > Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> > ---
> >
> > Bjorn reported that PSR support broke virtual terminals two months ago,
> > but this is still broken in 6.4-rc3:
> >
> >       https://lore.kernel.org/lkml/20230326162723.3lo6pnsfdwzsvbhj@ripper/
> >
> > despite the following series that claimed to address this:
> >
> >       https://lore.kernel.org/lkml/1680271114-1534-1-git-send-email-quic_vpolimer@xxxxxxxxxxx
> >
> > Let's revert until this has been fixed properly.
>
> Virtual terminals are still broken with 6.4-rc5 on the Lenovo ThinkPad
> X13s two weeks after I reported this, and there has been no indication
> of any progress in the other related thread:
>
>         https://lore.kernel.org/lkml/ZHYPHnWoDbXB-fqe@xxxxxxxxxxxxxxxxxxxx
>
> Seems like it is time to merge this revert to get this sorted.
>
> Rob, Abhinav, Dmitry, can either of you merge this one and get it into
> 6.4-rc6?

Rob sent the pull request few hours ago, see
https://lore.kernel.org/dri-devel/CAF6AEGuHujkFjRa6ys36Uyh0KUr4Hd16u1EMqJo8tOZ3ifVubQ@xxxxxxxxxxxxxx/

-- 
With best wishes
Dmitry



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