linux-kernel - Re: PROBLEM: 5.8-rc7 no video output with nouveau on NV36 (regression)

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Message-ID: <CAPM=9twPbHvuu7fOXr+nSuB5GRy1PgY1PR6h5HDvzgUo=bobQQ@mail.gmail.com>
Date:   Wed, 29 Jul 2020 15:07:42 +1000
From:   Dave Airlie <airlied@...il.com>
To:     Nick Bowler <nbowler@...conx.ca>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        James Jones <jajones@...dia.com>,
        Ben Skeggs <bskeggs@...hat.com>
Subject: Re: PROBLEM: 5.8-rc7 no video output with nouveau on NV36 (regression)

On Wed, 29 Jul 2020 at 15:05, Nick Bowler <nbowler@...conx.ca> wrote:
>
> Hi,
>
> After installing Linux 5.8-rc7 I seem to get no video output on my
> NV36 card once the nouveau module is loaded.  The display (connected
> to the digital output) simply reports "No Signal".
>
> I bisected to the following commit, and reverting this commit on
> top of 5.8-rc7 appears to correct the issue.

Can you test the drm fixes pull I just sent to Linus

https://patchwork.freedesktop.org/patch/381225/

Otherwise we are awaiting a fix from James for one other issue, should
be here today/tomorrow.

Dave.