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Commit 83052d4d authored by Seung-Woo Kim's avatar Seung-Woo Kim Committed by Inki Dae
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drm: Add multi buffer plane pixel formats 



Multi buffer plane pixel format has seperated memory spaces for each
plane. For example, NV12M has Y plane and CbCr plane and these are in
non contiguous memory region. Compared with NV12, NV12M's memory shape
is like following.
NV12  : ______(Y)(CbCr)_______
NV12M : __(Y)_ ..... _(CbCr)__

Signed-off-by: default avatarSeung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent e30d4bcf

include/drm/drm_fourcc.h

+7 −0
Original line number Diff line number Diff line
@@ -107,6 +107,10 @@ 
#define DRM_FORMAT_NV16		fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */

#define DRM_FORMAT_NV61		fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */



/* 2 non contiguous plane YCbCr */

#define DRM_FORMAT_NV12M	fourcc_code('N', 'M', '1', '2') /* 2x2 subsampled Cr:Cb plane */

#define DRM_FORMAT_NV12MT	fourcc_code('T', 'M', '1', '2') /* 2x2 subsampled Cr:Cb plane 64x32 macroblocks */



/*

 * 3 plane YCbCr

 * index 0: Y plane, [7:0] Y
@@ -127,4 +131,7 @@ 
#define DRM_FORMAT_YUV444	fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */

#define DRM_FORMAT_YVU444	fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */



/* 3 non contiguous plane YCbCr */

#define DRM_FORMAT_YUV420M	fourcc_code('Y', 'M', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */



#endif /* DRM_FOURCC_H */