drm/amd/powerplay: simplify the interface of get_current_activity_percent

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

@@ -595,9 +595,6 @@ struct pptable_funcs {
 	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 (*get_current_activity_percent)(struct smu_context *smu,
-					    enum amd_pp_sensors sensor,
-					    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,
@@ -830,8 +827,6 @@ struct smu_funcs
 	((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_get_current_activity_percent(smu, val) \
-	((smu)->ppt_funcs->get_current_activity_percent ? (smu)->ppt_funcs->get_current_activity_percent((smu), (sensor), (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

@@ -1191,6 +1191,10 @@ static int navi10_read_sensor(struct smu_context *smu,
 		*(uint32_t *)data = pptable->FanMaximumRpm;
 		*size = 4;
 		break;
+	case AMDGPU_PP_SENSOR_GPU_LOAD:
+		ret = navi10_get_current_activity_percent(smu, (uint32_t *)data);
+		*size = 4;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -1224,7 +1228,6 @@ static const struct pptable_funcs navi10_ppt_funcs = {
 	.force_dpm_limit_value = navi10_force_dpm_limit_value,
 	.unforce_dpm_levels = navi10_unforce_dpm_levels,
 	.get_gpu_power = navi10_get_gpu_power,
-	.get_current_activity_percent = navi10_get_current_activity_percent,
 	.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

@@ -1320,13 +1320,6 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
 {
 	int ret = 0;
 	switch (sensor) {
-	case AMDGPU_PP_SENSOR_GPU_LOAD:
-	case AMDGPU_PP_SENSOR_MEM_LOAD:
-		ret = smu_get_current_activity_percent(smu,
-						       sensor,
-						       (uint32_t *)data);
-		*size = 4;
-		break;
 	case AMDGPU_PP_SENSOR_GFX_MCLK:
 		ret = smu_get_current_clk_freq(smu, SMU_UCLK, (uint32_t *)data);
 		*size = 4;

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

@@ -2927,26 +2927,6 @@ static int vega20_set_ppfeature_status(struct smu_context *smu, uint64_t new_ppf
 	return 0;
 }
 
-static int vega20_read_sensor(struct smu_context *smu,
-			      enum amd_pp_sensors sensor,
-			      void *data, uint32_t *size)
-{
-	int ret = 0;
-	struct smu_table_context *table_context = &smu->smu_table;
-	PPTable_t *pptable = table_context->driver_pptable;
-
-	switch (sensor) {
-	case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
-		*(uint32_t *)data = pptable->FanMaximumRpm;
-		*size = 4;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return ret;
-}
-
 static bool vega20_is_dpm_running(struct smu_context *smu)
 {
 	int ret = 0;
@@ -3033,6 +3013,33 @@ static int vega20_get_current_activity_percent(struct smu_context *smu,
 	return 0;
 }
 
+static int vega20_read_sensor(struct smu_context *smu,
+				 enum amd_pp_sensors sensor,
+				 void *data, uint32_t *size)
+{
+	int ret = 0;
+	struct smu_table_context *table_context = &smu->smu_table;
+	PPTable_t *pptable = table_context->driver_pptable;
+
+	switch (sensor) {
+	case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
+		*(uint32_t *)data = pptable->FanMaximumRpm;
+		*size = 4;
+		break;
+	case AMDGPU_PP_SENSOR_MEM_LOAD:
+	case AMDGPU_PP_SENSOR_GPU_LOAD:
+		ret = vega20_get_current_activity_percent(smu,
+						sensor,
+						(uint32_t *)data);
+		*size = 4;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return ret;
+}
+
 static int vega20_set_watermarks_table(struct smu_context *smu,
 				       void *watermarks, struct
 				       dm_pp_wm_sets_with_clock_ranges_soc15
@@ -3139,7 +3146,6 @@ static const struct pptable_funcs vega20_ppt_funcs = {
 	.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,
-	.get_current_activity_percent = vega20_get_current_activity_percent,
 	.set_watermarks_table = vega20_set_watermarks_table,
 };