Am 18.10.18 um 12:14 schrieb Huang Rui:
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@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 6ad4fda..ede149a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -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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