msm: isp: fix the issue during overflow recovery

When HAL3 is used undelivered requests are stored in request_queue
these requests need to be cleared during overflow recovery.

Change-Id: Idfb18a00eb4e49111f1c068e3a3d5fd7fe77e4c0
Signed-off-by: Chandan Gera <cgera@codeaurora.org>
Signed-off-by: khusika <khusikadhamar@gmail.com>

drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c

@@ -2526,6 +2526,7 @@ int msm_isp_axi_reset(struct vfe_device *vfe_dev,
 	int rc = 0, i, j;
 	struct msm_vfe_axi_stream *stream_info;
 	struct msm_vfe_axi_shared_data *axi_data = &vfe_dev->axi_data;
+    struct msm_vfe_frame_request_queue *queue_req;
 	uint32_t bufq_handle = 0, bufq_id = 0;
 	struct msm_isp_timestamp timestamp;
 	unsigned long flags;
@@ -2557,7 +2558,16 @@ int msm_isp_axi_reset(struct vfe_device *vfe_dev,
 			j--;
 			continue;
 		}
-
+        stream_info->undelivered_request_cnt = 0;
+		while (!list_empty(&stream_info->request_q)) {
+			queue_req = list_first_entry_or_null(
+				&stream_info->request_q,
+				struct msm_vfe_frame_request_queue, list);
+			if (queue_req) {
+				queue_req->cmd_used = 0;
+				list_del(&queue_req->list);
+			}
+		}
 		for (bufq_id = 0; bufq_id < VFE_BUF_QUEUE_MAX; bufq_id++) {
 			bufq_handle = stream_info->bufq_handle[bufq_id];
 			if (!bufq_handle)