Bug#991453: Info received (Bug#991453: Acknowledgement (linux-image-5.10.0-8-amd64: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle))

To: 991453@bugs.debian.org
Subject: Bug#991453: Info received (Bug#991453: Acknowledgement (linux-image-5.10.0-8-amd64: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle))
From: piorunz <piorunz@gmx.com>
Date: Sat, 24 Jul 2021 04:54:14 +0100
Message-id: <[🔎] b77e8860-d5d0-e8cc-8bc7-7257bbe0cea8@gmx.com>
Reply-to: piorunz <piorunz@gmx.com>, 991453@bugs.debian.org
In-reply-to: <handler.991453.B991453.162708345618095.ackinfo@bugs.debian.org>
References: <[🔎] dd52e1ba-b279-2b2a-31e6-48bfdea94d07@gmx.com> <handler.991453.B991453.162708345618095.ackinfo@bugs.debian.org> <[🔎] 162708299561.26786.14054489509105980364.reportbug@ryzen>

I can confirm this bug can be fixed by reverting this "drm/amdgpu/gfx10:
enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full doorbell." commit
mentioned in bugzilla.kernel.org discussion.
I downloaded Debian 5.10 kernel, fixed one line in
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c file, compiled kernel and
rebooted, and now I am back at 0% GPU, 0% Mem load, with lower
temperatures and lower power usage. Please push it to next 5.10 iteration.

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References:
- Bug#991453: Acknowledgement (linux-image-5.10.0-8-amd64: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle)
  - From: piorunz <piorunz@gmx.com>
- Bug#991453: linux-image-5.10.0-8-amd64: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle
  - From: piorunz <piorunz@gmx.com>

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