MLK-19514-2: ISI: use ping-pong buffer of ISI

1. Use ping-pong buffer of isi.
2. Add multi-plane support for m2m out queue. When
V4L2 m2m device support multi-plane, it should be
applied for both input and output, so add it.

Signed-off-by: Guoniu.Zhou <guoniu.zhou@nxp.com>

diff --git a/drivers/media/platform/imx8/mxc-isi-core.h b/drivers/media/platform/imx8/mxc-isi-core.h
index 4af8876..9fc820e 100644 (file)
--- a/drivers/media/platform/imx8/mxc-isi-core.h
+++ b/drivers/media/platform/imx8/mxc-isi-core.h
@@ -249,6 +249,9 @@ struct mxc_isi_m2m_dev {
        struct mxc_isi_ctrls    ctrls;
 
        unsigned int read_done;
+       unsigned int frame_count;
+
+       struct list_head                out_active;
 
        u8 alpha;
 };