Re: [PATCH 3/3] drm/amdgpu: share scheduler score on VCN3 instances

[Leo Liu <leo.liu@amd.com>]

The series are:

Reviewed-and-Tested-by: Leo Liu <leo.liu@amd.com>


On 2021-02-04 9:44 a.m., Christian König wrote:
> The VCN3 instances can do both decode as well as encode.
>
> Share the scheduler load balancing score and remove fixing encode to
> only the second instance.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h |  1 +
>   drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c   | 11 +++++++----
>   2 files changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
> index 13aa417f6be7..d10bc4f0a05f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
> @@ -211,6 +211,7 @@ struct amdgpu_vcn_inst {
>   	void			*saved_bo;
>   	struct amdgpu_ring	ring_dec;
>   	struct amdgpu_ring	ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
> +	atomic_t		sched_score;
>   	struct amdgpu_irq_src	irq;
>   	struct amdgpu_vcn_reg	external;
>   	struct amdgpu_bo	*dpg_sram_bo;
> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> index 239a4eb52c61..b33f513fd2ac 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> @@ -171,6 +171,7 @@ static int vcn_v3_0_sw_init(void *handle)
>   
>   	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
>   		volatile struct amdgpu_fw_shared *fw_shared;
> +
>   		if (adev->vcn.harvest_config & (1 << i))
>   			continue;
>   
> @@ -198,6 +199,8 @@ static int vcn_v3_0_sw_init(void *handle)
>   		if (r)
>   			return r;
>   
> +		atomic_set(&adev->vcn.inst[i].sched_score, 0);
> +
>   		ring = &adev->vcn.inst[i].ring_dec;
>   		ring->use_doorbell = true;
>   		if (amdgpu_sriov_vf(adev)) {
> @@ -209,7 +212,8 @@ static int vcn_v3_0_sw_init(void *handle)
>   			ring->no_scheduler = true;
>   		sprintf(ring->name, "vcn_dec_%d", i);
>   		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
> -				     AMDGPU_RING_PRIO_DEFAULT, NULL);
> +				     AMDGPU_RING_PRIO_DEFAULT,
> +				     &adev->vcn.inst[i].sched_score);
>   		if (r)
>   			return r;
>   
> @@ -227,11 +231,10 @@ static int vcn_v3_0_sw_init(void *handle)
>   			} else {
>   				ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + j + 8 * i;
>   			}
> -			if (adev->asic_type == CHIP_SIENNA_CICHLID && i != 1)
> -				ring->no_scheduler = true;
>   			sprintf(ring->name, "vcn_enc_%d.%d", i, j);
>   			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
> -					     AMDGPU_RING_PRIO_DEFAULT, NULL);
> +					     AMDGPU_RING_PRIO_DEFAULT,
> +					     &adev->vcn.inst[i].sched_score);
>   			if (r)
>   				return r;
>   		}
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