diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c
index dc35a87e628e..2bfab4467b81 100644
--- a/drivers/media/platform/amphion/vdec.c
+++ b/drivers/media/platform/amphion/vdec.c
@@ -145,7 +145,6 @@ static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl)
 	struct vdec_t *vdec = inst->priv;
 	int ret = 0;
 
-	vpu_inst_lock(inst);
 	switch (ctrl->id) {
 	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
 		vdec->params.display_delay_enable = ctrl->val;
@@ -157,7 +156,6 @@ static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl)
 		ret = -EINVAL;
 		break;
 	}
-	vpu_inst_unlock(inst);
 
 	return ret;
 }
diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c
index 1df2b35c1a24..c9cfef16c5b9 100644
--- a/drivers/media/platform/amphion/venc.c
+++ b/drivers/media/platform/amphion/venc.c
@@ -528,7 +528,6 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 	struct venc_t *venc = inst->priv;
 	int ret = 0;
 
-	vpu_inst_lock(inst);
 	switch (ctrl->id) {
 	case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 		venc->params.profile = ctrl->val;
@@ -589,7 +588,6 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 		ret = -EINVAL;
 		break;
 	}
-	vpu_inst_unlock(inst);
 
 	return ret;
 }