diff --git a/drivers/media/platform/msm/cvp/msm_cvp.c b/drivers/media/platform/msm/cvp/msm_cvp.c
index 719ee46b10ff..edf654adcb17 100644
--- a/drivers/media/platform/msm/cvp/msm_cvp.c
+++ b/drivers/media/platform/msm/cvp/msm_cvp.c
@@ -758,6 +758,7 @@ static void aggregate_power_update(struct msm_cvp_core *core,
 	core->dyn_clk.sum_fps[HFI_HW_OD]  = 0;
 	core->dyn_clk.sum_fps[HFI_HW_ICA] = 0;
 
+	mutex_lock(&core->lock);
 	list_for_each_entry(inst, &core->instances, list) {
 		if (inst->state == MSM_CVP_CORE_INVALID ||
 			inst->state == MSM_CVP_CORE_UNINIT ||
@@ -828,6 +829,8 @@ static void aggregate_power_update(struct msm_cvp_core *core,
 			core->dyn_clk.sum_fps[HFI_HW_ICA]);
 	}
 
+	mutex_unlock(&core->lock);
+
 	for (i = 0; i < 2; i++) {
 		fdu_sum[i] = max_3(fdu_sum[i], od_sum[i], mpu_sum[i]);
 		fdu_sum[i] = max_3(fdu_sum[i], ica_sum[i], fw_sum[i]);