[PATCH 077/207] drm/amdgpu: no need to set up GPU scheduler for mes ring

[Christian König]

Am 01.06.20 um 20:00 schrieb Alex Deucher:
> From: Jack Xiao <Jack.Xiao at amd.com>
>
> As mes ring directly submits to hardwared,
> it's no need to set up GPU scheduler for mes ring.
>
> Signed-off-by: Jack Xiao <Jack.Xiao at amd.com>
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
> Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
> Reviewed-by: Christian König <christian.koenig at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> index 3414e119f0cb..8712a2e1b869 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> @@ -469,8 +469,9 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
>   	if (!ring->fence_drv.fences)
>   		return -ENOMEM;
>   
> -	/* No need to setup the GPU scheduler for KIQ ring */
> -	if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) {
> +	/* No need to setup the GPU scheduler for KIQ and MES ring */
> +	if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ ||
> +	    ring->funcs->type != AMDGPU_RING_TYPE_MES) {

BTW: Making this a flag in the ring->funcs struct would probably be 
cleaner than checking the two types here.

But not a must have right now.

Christian.

>   		switch (ring->funcs->type) {
>   		case AMDGPU_RING_TYPE_GFX:
>   			timeout = adev->gfx_timeout;