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

[Zhou, David(ChunMing)]

Reviewed-by: Chunming Zhou <david1.zhou at amd.com>

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of
> Christian K?nig
> Sent: Friday, November 02, 2018 4:45 PM
> To: amd-gfx at lists.freedesktop.org
> Subject: [PATCH] drm/amdgpu: wait for IB test on first device open
> 
> 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.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
>  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);
> --
> 2.17.1
> 
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