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drm/amdgpu: add ring test for page queue

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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>
This commit is contained in:
Huang Rui 2018-10-18 18:11:45 +08:00 • committed by Alex Deucher
parent f783160c27
commit d7f625e91b
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
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@ -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);
}