[PATCH] drm/amdgu/vce_v3: start vce block before ring test

[Koenig, Christian]

Am 04.02.19 um 13:44 schrieb S, Shirish:
> vce ring test fails during resume since mmVCE_RB_RPTR*
> is not intitalized/updated.
>
> Hence start vce block before ring test.

Mhm, I wonder why this ever worked. But yeah, same problem seems to 
exits for VCE 2 as well.

Leo any comment on this?

Thanks,
Christian.

>
> Signed-off-by: Shirish S <shirish.s at amd.com>
> ---
> * vce_v4_0.c's hw_init sequence already has this change.
>
>   drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> index 6ec65cf1..d809c10 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> @@ -469,6 +469,10 @@ static int vce_v3_0_hw_init(void *handle)
>   	int r, i;
>   	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>   
> +	r = vce_v3_0_start(adev);
> +	if (r)
> +		return r;
> +
>   	vce_v3_0_override_vce_clock_gating(adev, true);
>   
>   	amdgpu_asic_set_vce_clocks(adev, 10000, 10000);