Commit 60bbade2 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amdgpu: Expose more GPU sensor queries 



Add sub-queries for stable pstate shader/memory clock.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 156a81be

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

+18 −0
Original line number Diff line number Diff line
@@ -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);

include/uapi/drm/amdgpu_drm.h

+4 −0
Original line number Diff line number Diff line
@@ -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