drm/amdgpu: Expose more GPU sensor queries

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

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 22 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 9f189ab07cdd..b929986dd3d7 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 4d21191aaed0..1816bd8200d1 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