| From 3ef66853a02133244bde79b165d8e5063def5ef4 Mon Sep 17 00:00:00 2001 |
| From: Randy Li <ayaka@soulik.info> |
| Date: Thu, 10 Jan 2019 03:57:10 +0800 |
| Subject: [PATCH] drm/fourcc: add a 10bits fully packed variant of NV12 |
| |
| This pixel format is a fully packed and 10bits variant of NV12. |
| A luma pixel would take 10bits in memory, without any |
| filled bits between pixels in a stride. |
| |
| Signed-off-by: Randy Li <ayaka@soulik.info> |
| Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com> |
| --- |
| drivers/gpu/drm/drm_fourcc.c | 3 +++ |
| include/uapi/drm/drm_fourcc.h | 8 ++++++++ |
| 2 files changed, 11 insertions(+) |
| |
| --- a/drivers/gpu/drm/drm_fourcc.c |
| +++ b/drivers/gpu/drm/drm_fourcc.c |
| @@ -265,6 +265,9 @@ const struct drm_format_info *__drm_form |
| { .format = DRM_FORMAT_P016, .depth = 0, .num_planes = 2, |
| .char_per_block = { 2, 4, 0 }, .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 }, |
| .hsub = 2, .vsub = 2, .is_yuv = true}, |
| + { .format = DRM_FORMAT_NV12_10LE40, .depth = 0, .num_planes = 2, |
| + .char_per_block = { 5, 5, 0 }, .block_w = { 4, 2, 0 }, .block_h = { 1, 1, 0 }, |
| + .hsub = 2, .vsub = 2, .is_yuv = true }, |
| { .format = DRM_FORMAT_P210, .depth = 0, |
| .num_planes = 2, .char_per_block = { 2, 4, 0 }, |
| .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 }, .hsub = 2, |
| --- a/include/uapi/drm/drm_fourcc.h |
| +++ b/include/uapi/drm/drm_fourcc.h |
| @@ -236,6 +236,14 @@ extern "C" { |
| #define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */ |
| #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 */ |
| +/* |
| + * A fully packed 2 plane YCbCr |
| + * Y1 0-9, Y2 10-19, Y3 20-29, Y4 20-39 |
| + * .... |
| + * U1V1: 0-19, U2V2: 20-39 |
| + */ |
| +#define DRM_FORMAT_NV12_10LE40 fourcc_code('R', 'K', '2', '0') /* 2x2 subsampled Cr:Cb plane */ |
| + |
| |
| /* |
| * 2 plane YCbCr MSB aligned |