linux-kernel - Re: [PATCH 0/3] Fix Navi3x boot and hotplug problems

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Message-ID: <CADnq5_NHQhUZ9DzNtOy67Hx1g2_ZeBfKPC6O22YY_bzSJsMiUw@mail.gmail.com>
Date:   Thu, 28 Sep 2023 14:00:45 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Mario Limonciello <mario.limonciello@....com>
Cc:     amd-gfx@...ts.freedesktop.org, Sebastian Reichel <sre@...nel.org>,
        Alex Deucher <alexander.deucher@....com>, Jun.ma2@....com,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 0/3] Fix Navi3x boot and hotplug problems

On Thu, Sep 28, 2023 at 12:41 PM Mario Limonciello
<mario.limonciello@....com> wrote:
>
> On some OEM systems multiple navi3x dGPUS are triggering RAS errors
> and BACO errors.
>
> These errors come from elements of the OEM system that weren't part of
> original test environment.  This series addresses those problems.
>
> NOTE: Although this series touches two subsystems, I would prefer to
> take this all through DRM because there is a workaround in linux-next
> that I would like to be reverted at the same time as picking up the first
> two patches.

FWIW, the workaround is not in linux-next yet.  At the time I thought
it was already fixed by the fixes in ucsi and power supply when we
first encountered this.

Alex

>
> Mario Limonciello (3):
>   drm/amd: Fix detection of _PR3 on the PCIe root port
>   power: supply: Don't count 'unknown' scope power supplies
>   Revert "drm/amd/pm: workaround for the wrong ac power detection on smu
>     13.0.0"
>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c           | 2 +-
>  drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c       | 3 ++-
>  drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 1 +
>  drivers/power/supply/power_supply_core.c             | 2 +-
>  4 files changed, 5 insertions(+), 3 deletions(-)
>
> --
> 2.34.1
>