On Mon, Sep 23, 2019 at 08:38:50PM +0800, Sandy Huang wrote:
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3feeaa3..5fe89e9 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -266,6 +266,21 @@ extern "C" { #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cr:Cb plane 16 bits per channel */
/*
- 2 plane YCbCr 10bit
- index 0 = Y plane, [9:0] Y
- index 1 = Cr:Cb plane, [19:0] Cr:Cb little endian
- or
- index 1 = Cb:Cr plane, [19:0] Cb:Cr little endian
What does "little endian" even mean for these?
- */
+#define DRM_FORMAT_NV12_10 fourcc_code('N', 'A', '1', '2') /* 2x2 subsampled Cr:Cb plane */ +#define DRM_FORMAT_NV21_10 fourcc_code('N', 'A', '2', '1') /* 2x2 subsampled Cb:Cr plane */ +#define DRM_FORMAT_NV16_10 fourcc_code('N', 'A', '1', '6') /* 2x1 subsampled Cr:Cb plane */ +#define DRM_FORMAT_NV61_10 fourcc_code('N', 'A', '6', '1') /* 2x1 subsampled Cb:Cr plane */ +#define DRM_FORMAT_NV24_10 fourcc_code('N', 'A', '2', '4') /* non-subsampled Cr:Cb plane */ +#define DRM_FORMAT_NV42_10 fourcc_code('N', 'A', '4', '2') /* non-subsampled Cb:Cr plane */
+/*
- 3 plane YCbCr
- index 0: Y plane, [7:0] Y
- index 1: Cb plane, [7:0] Cb
-- 2.7.4
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