[PATCH] drm/amd/amdgpu: Expose some power info through AMDGPU_INFO

[Roy Sun]

Add interface to get the mm clock, temperature and memory load

Signed-off-by: Roy Sun <Roy.Sun at 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 */
+			if (amdgpu_dpm_read_sensor(adev,
+						   AMDGPU_PP_SENSOR_UVD_VCLK,
+						   (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