drm/amd/pp: clean header file hwmgr.h

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>

drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.h

@@ -27,6 +27,9 @@ struct pp_atomctrl_voltage_table;
 struct pp_hwmgr;
 struct phm_ppt_v1_voltage_lookup_table;
 
+uint8_t convert_to_vid(uint16_t vddc);
+uint16_t convert_to_vddc(uint8_t vid);
+
 extern int phm_wait_for_register_unequal(struct pp_hwmgr *hwmgr,
 					uint32_t index,
 					uint32_t value, uint32_t mask);

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

@@ -39,9 +39,6 @@ struct pp_atomctrl_voltage_table;
 
 #define VOLTAGE_SCALE 4
 
-uint8_t convert_to_vid(uint16_t vddc);
-uint16_t convert_to_vddc(uint8_t vid);
-
 enum DISPLAY_GAP {
 	DISPLAY_GAP_VBLANK_OR_WM = 0,   /* Wait for vblank or MCHG watermark. */
 	DISPLAY_GAP_VBLANK       = 1,   /* Wait for vblank. */
@@ -784,12 +781,12 @@ struct pp_hwmgr {
 	uint32_t workload_setting[Workload_Policy_Max];
 };
 
-extern int hwmgr_early_init(struct pp_hwmgr *hwmgr);
-extern int hwmgr_hw_init(struct pp_hwmgr *hwmgr);
-extern int hwmgr_hw_fini(struct pp_hwmgr *hwmgr);
-extern int hwmgr_hw_suspend(struct pp_hwmgr *hwmgr);
-extern int hwmgr_hw_resume(struct pp_hwmgr *hwmgr);
-extern int hwmgr_handle_task(struct pp_hwmgr *hwmgr,
+int hwmgr_early_init(struct pp_hwmgr *hwmgr);
+int hwmgr_hw_init(struct pp_hwmgr *hwmgr);
+int hwmgr_hw_fini(struct pp_hwmgr *hwmgr);
+int hwmgr_hw_suspend(struct pp_hwmgr *hwmgr);
+int hwmgr_hw_resume(struct pp_hwmgr *hwmgr);
+int hwmgr_handle_task(struct pp_hwmgr *hwmgr,
 				enum amd_pp_task task_id,
 				enum amd_pm_state_type *user_state);