From: Rex Zhu Date: Wed, 17 Jan 2018 05:18:47 +0000 (+0800) Subject: drm/amdgpu: Expose more GPU sensor queries X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=60bbade2a63de363a7acdb5e3b0f166a883fe3be;p=linux.git drm/amdgpu: Expose more GPU sensor queries Add sub-queries for stable pstate shader/memory clock. Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 9f189ab07cdd7..b929986dd3d79 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -758,6 +758,24 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return -EINVAL; } break; + case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK: + /* get stable pstate sclk in Mhz */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + ui32 /= 100; + break; + case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK: + /* get stable pstate mclk in Mhz */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + ui32 /= 100; + 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 4d21191aaed0f..1816bd8200d1f 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -664,6 +664,10 @@ struct drm_amdgpu_cs_chunk_data { #define AMDGPU_INFO_SENSOR_VDDNB 0x6 /* Subquery id: Query graphics voltage */ #define AMDGPU_INFO_SENSOR_VDDGFX 0x7 + /* Subquery id: Query GPU stable pstate shader clock */ + #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 /* Number of VRAM page faults on CPU access. */ #define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E #define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F