[PATCH 1/7] [media]: v4l: add Mediatek MT21 video block format

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From: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>

Mediatek video format is YVU8_420_2PLANE_PACK8_PROGRESSIVE.

Create V4L2_PIX_FMT_MT21 and DRM_FORMAT_MT21 to be consistent with
V4L2_PIX_FMT_NV12 notation.

Signed-off-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
---
 include/uapi/drm/drm_fourcc.h  |    1 +
 include/uapi/linux/videodev2.h |    2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 0b69a77..a193905 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -116,6 +116,7 @@
 #define DRM_FORMAT_NV24		fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
 #define DRM_FORMAT_NV42		fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
 
+#define DRM_FORMAT_MT21		fourcc_code('M', 'T', '2', '1') /* Mediatek Block Mode */
 /*
  * 3 plane YCbCr
  * index 0: Y plane, [7:0] Y
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index d0acd26..e9e3276 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -527,6 +527,8 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
 
+#define V4L2_PIX_FMT_MT21    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek Block Mode  */
+
 /* two planes -- one Y, one Cr + Cb interleaved  */
 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
-- 
1.7.9.5

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