From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: "Sun, Roy" <Roy.Sun@amd.com>,
"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] drm/amd/amdgpu: Expose some power info through AMDGPU_INFO
Date: Tue, 13 Apr 2021 15:20:26 +0200 [thread overview]
Message-ID: <a27997fc-e635-299a-417b-eb70c2bde408@gmail.com> (raw)
In-Reply-To: <CY4PR12MB16062ED181829A47D1B4EC1DFF4F9@CY4PR12MB1606.namprd12.prod.outlook.com>
Am 13.04.21 um 15:09 schrieb Sun, Roy:
> [AMD Official Use Only - Internal Distribution Only]
>
> ping
>
> -----Original Message-----
> From: Roy Sun <Roy.Sun@amd.com>
> Sent: Monday, April 12, 2021 8:15 PM
> To: amd-gfx@lists.freedesktop.org
> Cc: Sun, Roy <Roy.Sun@amd.com>
> Subject: [PATCH] drm/amd/amdgpu: Expose some power info through AMDGPU_INFO
>
> Add interface to get the mm clock, temperature and memory load
>
> Signed-off-by: Roy Sun <Roy.Sun@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 50 +++++++++++++++++++++++++
> include/uapi/drm/amdgpu_drm.h | 12 ++++++
> 2 files changed, 62 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index b2e774aeab45..e5b16e0819ce 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -971,6 +971,56 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
> }
> ui32 /= 100;
> break;
> + case AMDGPU_INFO_SENSOR_UVD_VCLK:
> + /* get mm vclk in Mhz */
Maybe drop the comment, it looks redundant.
> + if (amdgpu_dpm_read_sensor(adev,
> + AMDGPU_PP_SENSOR_UVD_VCLK,
In general I would not repeat that code over and over again, but rather
translate the parameter and then call amdgpu_dpm_read_sensor() once.
But this is just my top level view on code I don't know well.
Regards,
Christian.
> + (void *)&ui32, &ui32_size)) {
> + return -EINVAL;
> + }
> + ui32 /= 100;
> + break;
> + case AMDGPU_INFO_SENSOR_UVD_DCLK:
> + /* get mm dclk in Mhz */
> + if (amdgpu_dpm_read_sensor(adev,
> + AMDGPU_PP_SENSOR_UVD_DCLK,
> + (void *)&ui32, &ui32_size)) {
> + return -EINVAL;
> + }
> + ui32 /= 100;
> + break;
> + case AMDGPU_INFO_SENSOR_HOTSPOT_TEMP:
> + /* get junction temperature */
> + if (amdgpu_dpm_read_sensor(adev,
> + AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
> + (void *)&ui32, &ui32_size)) {
> + return -EINVAL;
> + }
> + break;
> + case AMDGPU_INFO_SENSOR_EDGE_TEMP:
> + /* get current edge temperature */
> + if (amdgpu_dpm_read_sensor(adev,
> + AMDGPU_PP_SENSOR_EDGE_TEMP,
> + (void *)&ui32, &ui32_size)) {
> + return -EINVAL;
> + }
> + break;
> + case AMDGPU_INFO_SENSOR_MEM_TEMP:
> + /* get current memory temperature */
> + if (amdgpu_dpm_read_sensor(adev,
> + AMDGPU_PP_SENSOR_MEM_TEMP,
> + (void *)&ui32, &ui32_size)) {
> + return -EINVAL;
> + }
> + break;
> + case AMDGPU_INFO_SENSOR_MEM_LOAD:
> + /* get memory load */
> + if (amdgpu_dpm_read_sensor(adev,
> + AMDGPU_PP_SENSOR_MEM_LOAD,
> + (void *)&ui32, &ui32_size)) {
> + return -EINVAL;
> + }
> + break;
> default:
> DRM_DEBUG_KMS("Invalid request %d\n",
> info->sensor_info.type);
> diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 8b832f7458f2..484c72e17c72 100644
> --- a/include/uapi/drm/amdgpu_drm.h
> +++ b/include/uapi/drm/amdgpu_drm.h
> @@ -780,6 +780,18 @@ struct drm_amdgpu_cs_chunk_data {
> #define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK 0x8
> /* Subquery id: Query GPU stable pstate memory clock */
> #define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK 0x9
> + /* Subquery id: Query GPU mm vclk */
> + #define AMDGPU_INFO_SENSOR_UVD_VCLK 0xa
> + /* Subquery id: Query GPU mm dclk */
> + #define AMDGPU_INFO_SENSOR_UVD_DCLK 0xb
> + /* Subquery id: Query junction temperature */
> + #define AMDGPU_INFO_SENSOR_HOTSPOT_TEMP 0xc
> + /* Subquery id: Query edge temperature */
> + #define AMDGPU_INFO_SENSOR_EDGE_TEMP 0xd
> + /* Subquery id: Query memory temperature */
> + #define AMDGPU_INFO_SENSOR_MEM_TEMP 0xe
> + /* Subquery id: Query Memory load */
> + #define AMDGPU_INFO_SENSOR_MEM_LOAD 0xf
> /* Number of VRAM page faults on CPU access. */
> #define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E
> #define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F
> --
> 2.31.1
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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next prev parent reply other threads:[~2021-04-13 13:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 12:15 [PATCH] drm/amd/amdgpu: Expose some power info through AMDGPU_INFO Roy Sun
2021-04-13 13:09 ` Sun, Roy
2021-04-13 13:20 ` Christian König [this message]
2021-04-13 14:58 ` Alex Deucher
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