drm/amd/powerplay: simplify the interface of get_gpu_power

this callback function is only call in read_sensor in smu_v11_0.c,
so move this code to {asic}_ppt.c to implement as asic related function.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -594,7 +594,6 @@ struct pptable_funcs {
 	void (*tables_init)(struct smu_context *smu, struct smu_table *tables);
 	int (*set_thermal_fan_table)(struct smu_context *smu);
 	int (*get_fan_speed_percent)(struct smu_context *smu, uint32_t *speed);
-	int (*get_gpu_power)(struct smu_context *smu, uint32_t *value);
 	int (*set_watermarks_table)(struct smu_context *smu, void *watermarks,
 				    struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges);
 	int (*get_current_clk_freq_by_table)(struct smu_context *smu,
@@ -825,8 +824,6 @@ struct smu_funcs
 	((smu)->funcs->set_fan_control_mode ? (smu)->funcs->set_fan_control_mode((smu), (value)) : 0)
 #define smu_get_fan_speed_percent(smu, speed) \
 	((smu)->ppt_funcs->get_fan_speed_percent ? (smu)->ppt_funcs->get_fan_speed_percent((smu), (speed)) : 0)
-#define smu_get_gpu_power(smu, val) \
-	((smu)->ppt_funcs->get_gpu_power ? (smu)->ppt_funcs->get_gpu_power((smu), (val)) : 0)
 #define smu_set_fan_speed_percent(smu, speed) \
 	((smu)->funcs->set_fan_speed_percent ? (smu)->funcs->set_fan_speed_percent((smu), (speed)) : 0)
 

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

@@ -1195,6 +1195,10 @@ static int navi10_read_sensor(struct smu_context *smu,
 		ret = navi10_get_current_activity_percent(smu, (uint32_t *)data);
 		*size = 4;
 		break;
+	case AMDGPU_PP_SENSOR_GPU_POWER:
+		ret = navi10_get_gpu_power(smu, (uint32_t *)data);
+		*size = 4;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -1227,7 +1231,6 @@ static const struct pptable_funcs navi10_ppt_funcs = {
 	.notify_smc_dispaly_config = navi10_notify_smc_dispaly_config,
 	.force_dpm_limit_value = navi10_force_dpm_limit_value,
 	.unforce_dpm_levels = navi10_unforce_dpm_levels,
-	.get_gpu_power = navi10_get_gpu_power,
 	.is_dpm_running = navi10_is_dpm_running,
 	.set_thermal_fan_table = navi10_set_thermal_fan_table,
 	.get_fan_speed_percent = navi10_get_fan_speed_percent,

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

@@ -1334,10 +1334,6 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
 		ret = smu_v11_0_thermal_get_temperature(smu, sensor, (uint32_t *)data);
 		*size = 4;
 		break;
-	case AMDGPU_PP_SENSOR_GPU_POWER:
-		ret = smu_get_gpu_power(smu, (uint32_t *)data);
-		*size = 4;
-		break;
 	case AMDGPU_PP_SENSOR_VDDGFX:
 		ret = smu_v11_0_get_gfx_vdd(smu, (uint32_t *)data);
 		*size = 4;

drivers/gpu/drm/amd/powerplay/vega20_ppt.c

@@ -3033,6 +3033,10 @@ static int vega20_read_sensor(struct smu_context *smu,
 						(uint32_t *)data);
 		*size = 4;
 		break;
+	case AMDGPU_PP_SENSOR_GPU_POWER:
+		ret = vega20_get_gpu_power(smu, (uint32_t *)data);
+		*size = 4;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -3145,7 +3149,6 @@ static const struct pptable_funcs vega20_ppt_funcs = {
 	.is_dpm_running = vega20_is_dpm_running,
 	.set_thermal_fan_table = vega20_set_thermal_fan_table,
 	.get_fan_speed_percent = vega20_get_fan_speed_percent,
-	.get_gpu_power = vega20_get_gpu_power,
 	.set_watermarks_table = vega20_set_watermarks_table,
 };