linux-kernel - Re: [PATCH v2 5/7] drm/amdgpu: Switch on/off GPU workload profile

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Message-ID: <5436e99a-fb23-29cb-d20f-48fb91d57950@amd.com>
Date:   Mon, 21 Aug 2023 15:46:42 +0200
From:   Shashank Sharma <shashank.sharma@....com>
To:     Arvind Yadav <Arvind.Yadav@....com>, Christian.Koenig@....com,
        alexander.deucher@....com, Xinhui.Pan@....com, airlied@...il.com,
        daniel@...ll.ch, Felix.Kuehling@....com,
        amd-gfx@...ts.freedesktop.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/7] drm/amdgpu: Switch on/off GPU workload profile


On 21/08/2023 08:47, Arvind Yadav wrote:
> This patch is to switch the GPU workload profile based
> on the submitted job. The workload profile is reset to
> default when the job is done.
>
> Cc: Shashank Sharma <shashank.sharma@....com>
> Cc: Christian Koenig <christian.koenig@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Signed-off-by: Arvind Yadav <Arvind.Yadav@....com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> index c3d9d75143f4..c2b0fda6ba26 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> @@ -176,6 +176,9 @@ void amdgpu_job_free_resources(struct amdgpu_job *job)
>   static void amdgpu_job_free_cb(struct drm_sched_job *s_job)
>   {
>   	struct amdgpu_job *job = to_amdgpu_job(s_job);
> +	struct amdgpu_ring *ring = to_amdgpu_ring(s_job->sched);
> +
> +	amdgpu_workload_profile_put(ring->adev, ring->funcs->type);
>   
>   	drm_sched_job_cleanup(s_job);
>   
> @@ -295,6 +298,8 @@ static struct dma_fence *amdgpu_job_run(struct drm_sched_job *sched_job)
>   			DRM_ERROR("Error scheduling IBs (%d)\n", r);
>   	}
>   
> +	amdgpu_workload_profile_set(adev, ring->funcs->type);
> +
>   	job->job_run_counter++;
>   	amdgpu_job_free_resources(job);
>   

Instead of calling switch on/off in title, may we call it set/reset GPU 
workload profile ?

With that minor nitpick handled, please feel free to use:

Reviewed-by: Shashank Sharma <shashank.sharma@....com>

- Shashank