drm/amdgpu: Protect GPU register accesses in powergated state in some paths

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Ungate GPU CG/PG in device_fini_hw and device_halt to protect GPU
register accesses, e.g. GC registers are accessed in amdgpu_irq_disable_all()
and amdgpu_fence_driver_hw_fini().

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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Yifan Zhang 2026-02-02 13:17:39 +08:00 • committed by Alex Deucher

parent 8a70a26c9f

commit 39fc2bc4da

1 changed files with 6 additions and 3 deletions

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

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