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drm/amdgpu: Fix some unload driver issues

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If have memory leak, maybe it will have issue in
ttm_bo_force_list_clean-> ttm_mem_evict_first.

Set adev->gart.ptr to null to avoid to call
amdgpu_gmc_set_pte_pde to cause ptr issue pointer when
calling amdgpu_gart_unbind in amdgpu_bo_fini which is after gart_fini.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2021-03-05 17:03:52 +08:00 committed by Alex Deucher
parent bb0cd09be4
commit a00aacdf00
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
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@ -202,6 +202,7 @@ void amdgpu_gart_table_vram_free(struct amdgpu_device *adev)
return;
}
amdgpu_bo_unref(&adev->gart.bo);
adev->gart.ptr = NULL;
}
/*