Commit d7f625e9 authored Oct 18, 2018 by Huang Rui Committed by Alex Deucher Nov 05, 2018

drm/amdgpu: add ring test for page queue



We add page queue for sdma to update page table. So here it also needs ring test
to verify it workable during the initialization.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent f783160c

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -1150,6 +1150,15 @@ static int sdma_v4_0_start(struct amdgpu_device *adev)
		return r;
		}

		if (adev->sdma.has_page_queue) {
		ring = &adev->sdma.instance[i].page;
		r = amdgpu_ring_test_ring(ring);
		if (r) {
		ring->ready = false;
		return r;
		}
		}

		if (adev->mman.buffer_funcs_ring == ring)
		amdgpu_ttm_set_buffer_funcs_status(adev, true);
		}

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