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Message-ID: <3e20b067-c02a-1911-cac9-3e547a14b565@amd.com>
Date: Mon, 21 Aug 2023 15:06:07 +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 1/7] drm/amdgpu: Added init/fini functions for workload
Hey Arvind,
On 21/08/2023 08:47, Arvind Yadav wrote:
> The'struct amdgpu_smu_workload' initialization/cleanup
> functions is added by this patch.
>
> v2:
> - Splitting big patch into separate patches.
> - Added new fini function.
>
> 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/Makefile | 2 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 ++
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++
> drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c | 44 +++++++++++++++
> drivers/gpu/drm/amd/include/amdgpu_workload.h | 53 +++++++++++++++++++
> 5 files changed, 105 insertions(+), 1 deletion(-)
> create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c
> create mode 100644 drivers/gpu/drm/amd/include/amdgpu_workload.h
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
> index 415a7fa395c4..6a9e187d61e1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> @@ -60,7 +60,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \
> amdgpu_umc.o smu_v11_0_i2c.o amdgpu_fru_eeprom.o amdgpu_rap.o \
> amdgpu_fw_attestation.o amdgpu_securedisplay.o \
> amdgpu_eeprom.o amdgpu_mca.o amdgpu_psp_ta.o amdgpu_lsdma.o \
> - amdgpu_ring_mux.o
> + amdgpu_ring_mux.o amdgpu_workload.o
>
> amdgpu-$(CONFIG_PROC_FS) += amdgpu_fdinfo.o
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 02b827785e39..1939fa1af8a6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -107,6 +107,7 @@
> #include "amdgpu_fdinfo.h"
> #include "amdgpu_mca.h"
> #include "amdgpu_ras.h"
> +#include "amdgpu_workload.h"
>
> #define MAX_GPU_INSTANCE 16
>
> @@ -1050,6 +1051,8 @@ struct amdgpu_device {
>
> bool job_hang;
> bool dc_enabled;
> +
> + struct amdgpu_smu_workload smu_workload;
> };
>
> static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 5c7d40873ee2..cd3bf641b630 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2243,6 +2243,8 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
> adev->cg_flags &= amdgpu_cg_mask;
> adev->pg_flags &= amdgpu_pg_mask;
>
> + amdgpu_workload_profile_init(adev);
> +
> return 0;
> }
>
> @@ -2890,6 +2892,8 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
> {
> int i, r;
>
> + amdgpu_workload_profile_fini(adev);
> +
> if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done)
> amdgpu_virt_release_ras_err_handler_data(adev);
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c
> new file mode 100644
> index 000000000000..32166f482f77
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c
> @@ -0,0 +1,44 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright 2023 Advanced Micro Devices, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + *
> + */
> +
> +#include "amdgpu.h"
> +
> +void amdgpu_workload_profile_init(struct amdgpu_device *adev)
> +{
> + adev->smu_workload.adev = adev;
> + adev->smu_workload.submit_workload_status = 0;
> + adev->smu_workload.initialized = true;
why do we need this variable ?
> +
> + mutex_init(&adev->smu_workload.workload_lock);
> +}
> +
> +void amdgpu_workload_profile_fini(struct amdgpu_device *adev)
> +{
> + if (!adev->smu_workload.initialized)
> + return;
> +
> + adev->smu_workload.submit_workload_status = 0;
> + adev->smu_workload.initialized = false;
> + mutex_destroy(&adev->smu_workload.workload_lock);
> +}
> diff --git a/drivers/gpu/drm/amd/include/amdgpu_workload.h b/drivers/gpu/drm/amd/include/amdgpu_workload.h
> new file mode 100644
> index 000000000000..5d0f068422d4
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/include/amdgpu_workload.h
> @@ -0,0 +1,53 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * Copyright 2023 Advanced Micro Devices, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + *
> + */
> +
> +#ifndef _AMDGPU_WORKLOAD_H_
> +#define _AMDGPU_WORKLOAD_H_
> +
> +struct amdgpu_smu_workload {
> + struct amdgpu_device *adev;
> + struct mutex workload_lock;
> + struct delayed_work smu_delayed_work;
call it power_profile_work instead ? Looks good otherwise.
- Shashank
> + uint32_t submit_workload_status;
> + bool initialized;
> + atomic_t power_profile_ref[PP_SMC_POWER_PROFILE_COUNT];
> +};
> +
> +/* Workload mode names */
> +static const char * const amdgpu_workload_mode_name[] = {
> + "Default",
> + "3D",
> + "Powersaving",
> + "Video",
> + "VR",
> + "Compute",
> + "Custom",
> + "Window3D"
> +};
> +
> +void amdgpu_workload_profile_init(struct amdgpu_device *adev);
> +
> +void amdgpu_workload_profile_fini(struct amdgpu_device *adev);
> +
> +#endif
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