From 8d1aabfe3485f80acb48d151f9854c0cc8eedcef Mon Sep 17 00:00:00 2001 From: Cai YiWei Date: Fri, 25 Jun 2021 18:08:54 +0800 Subject: [PATCH] media: rockchip: isp: clear rdbk fifo at dmarx stop Change-Id: If26ebfa218da49d272c1e4aa0a2e8c7e4361ba5f Signed-off-by: Cai YiWei --- drivers/media/platform/rockchip/isp/dmarx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/rockchip/isp/dmarx.c b/drivers/media/platform/rockchip/isp/dmarx.c index c46007ac12f9..5e7166bc30ac 100644 --- a/drivers/media/platform/rockchip/isp/dmarx.c +++ b/drivers/media/platform/rockchip/isp/dmarx.c @@ -560,6 +560,10 @@ static void dmarx_stop_streaming(struct vb2_queue *queue) dmarx_stop(stream); destroy_buf_queue(stream, VB2_BUF_STATE_ERROR); + + if (stream->id == RKISP_STREAM_RAWRD2 && + (stream->ispdev->isp_ver == ISP_V20 || stream->ispdev->isp_ver == ISP_V21)) + kfifo_reset(&stream->ispdev->rdbk_kfifo); } static int dmarx_start_streaming(struct vb2_queue *queue,