drm/amd/powerplay: delete duplicated function and definition.

Reviewed-by: Alex Deucher <[e-mail]>
Acked-by: Christian König <[e-mail]>
Signed-off-by: Rex Zhu <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 #include "pp_acpi.h"
 #include "amd_acpi.h"
 
-#define VOLTAGE_SCALE               4
-
 extern int cz_hwmgr_init(struct pp_hwmgr *hwmgr);
 extern int tonga_hwmgr_init(struct pp_hwmgr *hwmgr);
 extern int fiji_hwmgr_init(struct pp_hwmgr *hwmgr);
···
 
 static void hwmgr_init_default_caps(struct pp_hwmgr *hwmgr);
 static int hwmgr_set_user_specify_caps(struct pp_hwmgr *hwmgr);
+
+uint8_t convert_to_vid(uint16_t vddc)
+{
+	return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
+}
 
 int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {

drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.c

···
 	return 0;
 }
 
-/**
- * Convert a voltage value in mv unit to VID number required by SMU firmware
- */
-static uint8_t convert_to_vid(uint16_t vddc)
-{
-	return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
-}
-
 int iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr *hwmgr)
 {
 	int i;

drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c

···
 	return 0;
 }
 
-uint8_t convert_to_vid(uint16_t vddc)
-{
-	return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
-}
-
 /**
  * Mvdd table preparation for SMC.
  *

drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c

···
 }
 
 /**
- * Convert a voltage value in mv unit to VID number required by SMU firmware
- */
-static uint8_t convert_to_vid(uint16_t vddc)
-{
-	return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
-}
-
-
-/**
  * Preparation of vddc and vddgfx CAC tables for SMC.
  *
  * @param    hwmgr      the address of the hardware manager

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

···
 extern int amdgpu_sclk_deep_sleep_en;
 extern unsigned amdgpu_pp_feature_mask;
 
+#define VOLTAGE_SCALE 4
+
+uint8_t convert_to_vid(uint16_t vddc);
+
 enum DISPLAY_GAP {
 	DISPLAY_GAP_VBLANK_OR_WM = 0,   /* Wait for vblank or MCHG watermark. */
 	DISPLAY_GAP_VBLANK       = 1,   /* Wait for vblank. */

drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c

···
 #include "cgs_common.h"
 
 #define POLARIS10_SMC_SIZE 0x20000
-#define VOLTAGE_SCALE 4
 
 /* Microcode file is stored in this buffer */
 #define BUFFER_SIZE                 80000

drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c

···
 #include "cgs_common.h"
 #include "linux/delay.h"
 
+
 int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {
 	struct pp_smumgr *smumgr;