drm/amdgpu/userq: pin mqd and fw object bo to avoid eviction

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mqd and fw objects are queue core objects which should remain
valid and never be unmapped and evicted for user queues to work
properly.

During eviction if these buffers are evicted the hw continue to
use the invalid addresses and caused page faults and system hung.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a3bbf32a33)

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Sunil Khatri 2026-05-08 15:58:09 +05:30 • committed by Alex Deucher

parent eb359cc314

commit be045c5c83

1 changed files with 10 additions and 3 deletions

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

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