linux-kernel - Re: [REGRESSION] GM20B pmu timeout

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Message-ID: <CAPM=9txeL+WxYuuGYyhGouXYC0=Y=YS=k=-4G74JbfT2mvkn2g@mail.gmail.com>
Date: Wed, 13 Nov 2024 05:59:03 +1000
From: Dave Airlie <airlied@...il.com>
To: Linux regressions mailing list <regressions@...ts.linux.dev>
Cc: kherbst@...hat.com, linux-kernel@...r.kernel.org, dakr@...hat.com, 
	lyude@...hat.com, bskeggs@...dia.com, simona@...ll.ch, 
	dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org, 
	Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>, Danilo Krummrich <dakr@...nel.org>
Subject: Re: [REGRESSION] GM20B pmu timeout

On Tue, 12 Nov 2024 at 22:34, Linux regression tracking (Thorsten
Leemhuis) <regressions@...mhuis.info> wrote:
>
> [CCing Danilo, who committed the culprit]
>
> On 04.11.24 13:11, Diogo Ivo wrote:
> > On Tue Oct 15, 2024 at 7:13 PM WEST, Linux regression tracking (Thorsten Leemhuis) wrote:
> >> On 10.10.24 15:32, Diogo Ivo wrote:
> >>>
> >>> Somewhere between 6.11-rc4 and 6.11-rc5 the following error message is displayed
> >>> when trying to initialize a nvc0_screen on the Tegra X1's GM20B:
> >>>
> >>> [ 34.431210] nouveau 57000000.gpu: pmu:hpq: timeout waiting for queue ready
> >>> [ 34.438145] nouveau 57000000.gpu: gr: init failed, -110
> >>> nvc0_screen_create:1075 - Error allocating PGRAPH context for M2MF: -110
> >>> failed to create GPU screen
> >>
> >> Thx for the report. Hmmm. No reply so far. :-/

Apologies for the delay and thanks to Thorsten for bringing it up again,

Does the attached patch fix it?

if you say it does I'll send it out properly.

Dave.

View attachment "0001-nouveau-sync-dma-after-setup-is-called.patch" of type "text/x-patch" (1406 bytes)