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Commit 9a79588c authored by Christian König's avatar Christian König Committed by Alex Deucher
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drm/amdgpu: don't update page tables for VM emulation 



It's just overhead to do so and allocating a VMID
when we don't need one is actually a bit dangerous.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d5b4e25d

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

+8 −7
Original line number Diff line number Diff line
@@ -656,22 +656,23 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev, 


	/* Only for UVD/VCE VM emulation */

	if (ring->funcs->parse_cs) {

		p->job->vm = NULL;

		for (i = 0; i < p->job->num_ibs; i++) {

			r = amdgpu_ring_parse_cs(ring, p, i);

			if (r)

				return r;

		}

	}



	} else {

		p->job->vm_pd_addr = amdgpu_bo_gpu_offset(vm->page_directory);



		r = amdgpu_bo_vm_update_pte(p, vm);

	if (!r)

		amdgpu_cs_sync_rings(p);



		if (r)

			return r;

	}



	return amdgpu_cs_sync_rings(p);

}



static int amdgpu_cs_handle_lockup(struct amdgpu_device *adev, int r)

{

	if (r == -EDEADLK) {