Add Mediatek's non-compressed 8 bit block video mode. This format is
produced by the MT8183 codec and can be converted to a non-proprietary
format with the MDP3 component.

Signed-off-by: Alexandre Courbot <acour...@chromium.org>
---
 drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
 include/uapi/linux/videodev2.h       | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c 
b/drivers/media/v4l2-core/v4l2-ioctl.c
index 51b912743f0f..666d90a71f41 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1330,6 +1330,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
        case V4L2_META_FMT_VSP1_HGT:    descr = "R-Car VSP1 2-D Histogram"; 
break;
        case V4L2_META_FMT_UVC:         descr = "UVC Payload Header Metadata"; 
break;
        case V4L2_META_FMT_D4XX:        descr = "Intel D4xx UVC Metadata"; 
break;
+       case V4L2_PIX_FMT_MM21:         descr = "Mediatek 8-bit block format"; 
break;
 
        default:
                /* Compressed formats */
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 530638dffd93..e0db23e655bf 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -724,6 +724,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 
12-bit L/R interleaved */
 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 
16-bit */
 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek 
compressed block mode  */
+#define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 
8-bit block mode, two non-contiguous planes */
 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar 
Greyscale 10-bit and Depth 16-bit */
 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi 
Tiled NV12 Format */
 #define V4L2_PIX_FMT_CNF4     v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit 
packed depth confidence information */
-- 
2.23.0.187.g17f5b7556c-goog

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