drm/amd: Clean up kfd node on surprise disconnect

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commit 28695ca09d upstream.

When an eGPU is unplugged the KFD topology should also be destroyed
for that GPU. This never happens because the fini_sw callbacks never
get to run. Run them manually before calling amdgpu_device_ip_fini_early()
when a device has already been disconnected.

This location is intentionally chosen to make sure that the kfd locking
refcount doesn't get incremented unintentionally.

Cc: kent.russell@amd.com
Closes: https://community.frame.work/t/amd-egpu-on-linux/8691/33
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6a23e7b433)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Mario Limonciello (AMD) 2026-01-07 15:37:28 -06:00 • committed by Greg Kroah-Hartman

parent 568c29c7c7

commit b705daaf5f

1 changed files with 8 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

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