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Commit 9a005bef authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
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drm/amdgpu: clear SA bo when created 



This help fix reloading driver hang issue of SDMA
ring

Signed-off-by: default avatarMonk Liu <Monk.Liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 768c95e7

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

+1 −0
Original line number Diff line number Diff line
@@ -115,6 +115,7 @@ int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, 
		return r;

	}

	r = amdgpu_bo_kmap(sa_manager->bo, &sa_manager->cpu_ptr);

	memset(sa_manager->cpu_ptr, 0, sa_manager->size);

	amdgpu_bo_unreserve(sa_manager->bo);

	return r;

}