From: "Christian König" <christian.koenig@amd.com>
To: Shashank Sharma <shashank.sharma@amd.com>, amd-gfx@lists.freedesktop.org
Cc: alexander.deucher@amd.com, amaranath.somalapuram@amd.com
Subject: Re: [PATCH v3 4/5] drm/amdgpu: switch GPU workload profile
Date: Tue, 27 Sep 2022 08:11:32 +0200 [thread overview]
Message-ID: <0f6d48bf-89f7-2bde-e7f3-eec1bba9855d@amd.com> (raw)
In-Reply-To: <20220926214014.5450-5-shashank.sharma@amd.com>
Am 26.09.22 um 23:40 schrieb Shashank Sharma:
> This patch and switches the GPU workload based profile based
> on the workload hint information saved in the workload context.
> The workload profile is reset to NONE when the job is done.
>
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 ++
> drivers/gpu/drm/amd/amdgpu/amdgpu_ctx_workload.c | 4 ----
> drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 15 +++++++++++++++
> drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 3 +++
> 4 files changed, 20 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index b7bae833c804..de906a42144f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -237,6 +237,8 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
> goto free_all_kdata;
> }
>
> + p->job->workload_mode = p->ctx->workload_mode;
> +
> if (p->uf_entry.tv.bo)
> p->job->uf_addr = uf_offset;
> kvfree(chunk_array);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx_workload.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx_workload.c
> index a11cf29bc388..625114804121 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx_workload.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx_workload.c
> @@ -55,15 +55,11 @@ int amdgpu_set_workload_profile(struct amdgpu_device *adev,
>
> mutex_lock(&adev->pm.smu_workload_lock);
>
> - if (adev->pm.workload_mode == hint)
> - goto unlock;
> -
> ret = amdgpu_dpm_switch_power_profile(adev, profile, 1);
> if (!ret)
> adev->pm.workload_mode = hint;
> atomic_inc(&adev->pm.workload_switch_ref);
>
> -unlock:
> mutex_unlock(&adev->pm.smu_workload_lock);
> return ret;
> }
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> index c2fd6f3076a6..9300e86ee7c5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> @@ -30,6 +30,7 @@
> #include "amdgpu.h"
> #include "amdgpu_trace.h"
> #include "amdgpu_reset.h"
> +#include "amdgpu_ctx_workload.h"
>
> static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
> {
> @@ -144,6 +145,14 @@ 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);
> +
> + if (job->workload_mode != AMDGPU_CTX_WORKLOAD_HINT_NONE) {
> + if (amdgpu_clear_workload_profile(ring->adev, job->workload_mode))
> + DRM_WARN("Failed to come out of workload profile %s\n",
> + amdgpu_workload_profile_name(job->workload_mode));
> + job->workload_mode = AMDGPU_CTX_WORKLOAD_HINT_NONE;
> + }
>
> drm_sched_job_cleanup(s_job);
>
> @@ -256,6 +265,12 @@ static struct dma_fence *amdgpu_job_run(struct drm_sched_job *sched_job)
> DRM_ERROR("Error scheduling IBs (%d)\n", r);
> }
>
> + if (job->workload_mode != AMDGPU_CTX_WORKLOAD_HINT_NONE) {
> + if (amdgpu_set_workload_profile(ring->adev, job->workload_mode))
> + DRM_WARN("Failed to set workload profile to %s\n",
> + amdgpu_workload_profile_name(job->workload_mode));
> + }
> +
> job->job_run_counter++;
> amdgpu_job_free_resources(job);
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
> index babc0af751c2..573e8692c814 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
> @@ -68,6 +68,9 @@ struct amdgpu_job {
> /* job_run_counter >= 1 means a resubmit job */
> uint32_t job_run_counter;
>
> + /* workload mode hint for pm */
> + uint32_t workload_mode;
> +
> uint32_t num_ibs;
> struct amdgpu_ib ibs[];
> };
next prev parent reply other threads:[~2022-09-27 6:11 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-26 21:40 [PATCH v3 0/5] GPU workload hints for better performance Shashank Sharma
2022-09-26 21:40 ` [PATCH v3 1/5] drm/amdgpu: add UAPI for workload hints to ctx ioctl Shashank Sharma
2022-09-27 6:07 ` Christian König
2022-09-27 14:28 ` Felix Kuehling
2023-03-21 3:05 ` Marek Olšák
2023-03-21 13:00 ` Sharma, Shashank
2023-03-21 13:54 ` Christian König
2023-03-22 14:05 ` Marek Olšák
2023-03-22 14:08 ` Christian König
2023-03-22 14:24 ` Marek Olšák
2023-03-22 14:29 ` Christian König
2023-03-22 14:36 ` Marek Olšák
2023-03-22 14:52 ` Alex Deucher
2023-03-22 15:11 ` Marek Olšák
2023-03-22 14:38 ` Sharma, Shashank
2022-09-26 21:40 ` [PATCH v3 2/5] drm/amdgpu: add new functions to set GPU power profile Shashank Sharma
2022-09-27 2:14 ` Quan, Evan
2022-09-27 7:29 ` Sharma, Shashank
2022-09-27 9:29 ` Quan, Evan
2022-09-27 10:00 ` Sharma, Shashank
2022-09-27 6:08 ` Christian König
2022-09-27 9:58 ` Lazar, Lijo
2022-09-27 11:41 ` Sharma, Shashank
2022-09-27 12:10 ` Lazar, Lijo
2022-09-27 12:23 ` Sharma, Shashank
2022-09-27 12:39 ` Lazar, Lijo
2022-09-27 12:53 ` Sharma, Shashank
2022-09-27 13:29 ` Lazar, Lijo
2022-09-27 13:47 ` Sharma, Shashank
2022-09-27 14:00 ` Lazar, Lijo
2022-09-27 14:20 ` Sharma, Shashank
2022-09-27 14:34 ` Lazar, Lijo
2022-09-27 14:50 ` Sharma, Shashank
2022-09-27 15:20 ` Felix Kuehling
2022-09-26 21:40 ` [PATCH v3 3/5] drm/amdgpu: set GPU workload via ctx IOCTL Shashank Sharma
2022-09-27 6:09 ` Christian König
2022-09-26 21:40 ` [PATCH v3 4/5] drm/amdgpu: switch GPU workload profile Shashank Sharma
2022-09-27 6:11 ` Christian König [this message]
2022-09-27 10:03 ` Lazar, Lijo
2022-09-27 11:47 ` Sharma, Shashank
2022-09-27 12:20 ` Lazar, Lijo
2022-09-27 12:25 ` Sharma, Shashank
2022-09-27 16:33 ` Michel Dänzer
2022-09-27 17:06 ` Sharma, Shashank
2022-09-27 17:29 ` Michel Dänzer
2022-09-26 21:40 ` [PATCH v3 5/5] drm/amdgpu: switch workload context to/from compute Shashank Sharma
2022-09-27 6:12 ` Christian König
2022-09-27 14:48 ` Felix Kuehling
2022-09-27 14:58 ` Sharma, Shashank
2022-09-27 15:23 ` Felix Kuehling
2022-09-27 15:38 ` Sharma, Shashank
2022-09-27 20:40 ` Alex Deucher
2022-09-28 7:05 ` Lazar, Lijo
2022-09-28 8:56 ` Sharma, Shashank
2022-09-28 9:00 ` Sharma, Shashank
2022-09-28 21:51 ` Alex Deucher
2022-09-29 8:48 ` Sharma, Shashank
2022-09-29 11:10 ` Lazar, Lijo
2022-09-29 13:20 ` Sharma, Shashank
2022-09-29 13:37 ` Lazar, Lijo
2022-09-29 14:00 ` Sharma, Shashank
2022-09-29 14:14 ` Lazar, Lijo
2022-09-29 14:40 ` Sharma, Shashank
2022-09-29 18:32 ` Alex Deucher
2022-09-30 5:08 ` Lazar, Lijo
2022-09-30 8:37 ` Sharma, Shashank
2022-09-30 9:13 ` Lazar, Lijo
2022-09-30 9:22 ` Sharma, Shashank
2022-09-30 9:54 ` Lazar, Lijo
2022-09-30 10:09 ` Sharma, Shashank
2022-09-29 18:07 ` Felix Kuehling
2022-09-30 4:46 ` Lazar, Lijo
2022-09-27 16:24 ` [PATCH v3 0/5] GPU workload hints for better performance Michel Dänzer
2022-09-27 16:59 ` Sharma, Shashank
2022-09-27 17:13 ` Michel Dänzer
2022-09-27 17:25 ` Sharma, Shashank
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