Re: [PATCH] drm/amdgpu: wait for IB test on first device open

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On 11/2/18 4:44 PM, Christian König wrote:
Instead of delaying that to the first query. Otherwise we could try to use the
SDMA for VM updates before the IB tests are done.

Be curious:
Does that happen when App opens dri node without libdrm?
since device init always queries info at first.

Regards,
Jerry

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 08d04f68dfeb..f87f717cc905 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -467,9 +467,6 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
  	if (!info->return_size || !info->return_pointer)
  		return -EINVAL;
- /* Ensure IB tests are run on ring */
-	flush_delayed_work(&adev->late_init_work);
-
  	switch (info->query) {
  	case AMDGPU_INFO_ACCEL_WORKING:
  		ui32 = adev->accel_working;
@@ -950,6 +947,9 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
  	struct amdgpu_fpriv *fpriv;
  	int r, pasid;
+ /* Ensure IB tests are run on ring */
+	flush_delayed_work(&adev->late_init_work);
+
  	file_priv->driver_priv = NULL;
r = pm_runtime_get_sync(dev->dev);

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