amdgpu/pm: read_sensor() report failure apporpriately

report -ENOTSUPP instead of -EINVAL, so that if userspace
fails to read sensor data can figure it out the failure correctly.
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c

@@ -1285,7 +1285,7 @@ static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 		*size = 4;
 		break;
 	default:
-		ret = -EINVAL;
+		ret = -EOPNOTSUPP;
 		break;
 	}
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

@@ -3945,7 +3945,7 @@ static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 		*((uint32_t *)value) = (uint32_t)convert_to_vddc(val_vid);
 		return 0;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c

@@ -1805,7 +1805,7 @@ static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 		*((uint32_t *)value) = smu8_thermal_get_temperature(hwmgr);
 		return 0;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

@@ -3890,7 +3890,7 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 			*size = 8;
 		break;
 	default:
-		ret = -EINVAL;
+		ret = -EOPNOTSUPP;
 		break;
 	}
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

@@ -1429,7 +1429,7 @@ static int vega12_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 			*size = 8;
 		break;
 	default:
-		ret = -EINVAL;
+		ret = -EOPNOTSUPP;
 		break;
 	}
 	return ret;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

@@ -2240,7 +2240,7 @@ static int vega20_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 			*size = 8;
 		break;
 	default:
-		ret = -EINVAL;
+		ret = -EOPNOTSUPP;
 		break;
 	}
 	return ret;

drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c

@@ -3305,7 +3305,7 @@ static int kv_dpm_read_sensor(void *handle, int idx,
 		*size = 4;
 		return 0;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }
 

drivers/gpu/drm/amd/pm/powerplay/si_dpm.c

@@ -8014,7 +8014,7 @@ static int si_dpm_read_sensor(void *handle, int idx,
 		*size = 4;
 		return 0;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }