lkml.org 
[lkml]   [2019]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
SubjectRe: [v2,1/3] drm: Add some new format DRM_FORMAT_NVXX_10
Date
On Thu, Sep 26, 2019 at 04:24:47PM +0800, Sandy Huang wrote:
> These new format is supported by some rockchip socs:
>
> DRM_FORMAT_NV12_10/DRM_FORMAT_NV21_10
> DRM_FORMAT_NV16_10/DRM_FORMAT_NV61_10
> DRM_FORMAT_NV24_10/DRM_FORMAT_NV42_10
>
> Signed-off-by: Sandy Huang <hjc@rock-chips.com>
> ---
> drivers/gpu/drm/drm_fourcc.c | 18 ++++++++++++++++++
> include/uapi/drm/drm_fourcc.h | 14 ++++++++++++++
> 2 files changed, 32 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index c630064..ccd78a3 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -261,6 +261,24 @@ const struct drm_format_info *__drm_format_info(u32 format)
> { .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_10, .depth = 0, .num_planes = 2,
> + .char_per_block = { 5, 10, 0 }, .block_w = { 4, 4, 0 }, .block_h = { 4, 4, 0 },

Hi Sandy:

Their is a problem here for char_per_block size of plane[0]:

Since: 5 * 8 != 4 * 4 * 10;

Seems you mis-set the block_w/h, per your block size the block is 2x2, and it should be:

.char_per_block = { 5, 10, 0 }, .block_w = { 2, 2, 0 }, .block_h = { 2, 2, 0 },


Best Regards:
James

> + .hsub = 2, .vsub = 2, .is_yuv = true},
> + { .format = DRM_FORMAT_NV21_10, .depth = 0, .num_planes = 2,
> + .char_per_block = { 5, 10, 0 }, .block_w = { 4, 4, 0 }, .block_h = { 4, 4, 0 },
> + .hsub = 2, .vsub = 2, .is_yuv = true},
> + { .format = DRM_FORMAT_NV16_10, .depth = 0, .num_planes = 2,
> + .char_per_block = { 5, 10, 0 }, .block_w = { 4, 4, 0 }, .block_h = { 4, 4, 0 },
> + .hsub = 2, .vsub = 1, .is_yuv = true},
> + { .format = DRM_FORMAT_NV61_10, .depth = 0, .num_planes = 2,
> + .char_per_block = { 5, 10, 0 }, .block_w = { 4, 4, 0 }, .block_h = { 4, 4, 0 },
> + .hsub = 2, .vsub = 1, .is_yuv = true},
> + { .format = DRM_FORMAT_NV24_10, .depth = 0, .num_planes = 2,
> + .char_per_block = { 5, 10, 0 }, .block_w = { 4, 4, 0 }, .block_h = { 4, 4, 0 },
> + .hsub = 1, .vsub = 1, .is_yuv = true},
> + { .format = DRM_FORMAT_NV42_10, .depth = 0, .num_planes = 2,
> + .char_per_block = { 5, 10, 0 }, .block_w = { 4, 4, 0 }, .block_h = { 4, 4, 0 },
> + .hsub = 1, .vsub = 1, .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,
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 3feeaa3..08e2221 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -238,6 +238,20 @@ extern "C" {
> #define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
>
> /*
> + * 2 plane YCbCr
> + * index 0 = Y plane, Y3:Y2:Y1:Y0 10:10:10:10
> + * index 1 = Cb:Cr plane, Cb3:Cr3:Cb2:Cr2:Cb1:Cr1:Cb0:Cr0 10:10:10:10:10:10:10:10
> + * or
> + * index 1 = Cr:Cb plane, Cr3:Cb3:Cr2:Cb2:Cr1:Cb1:Cr0:Cb0 10:10:10:10:10:10:10:10
> + */
> +#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 */
> +
> +/*
> * 2 plane YCbCr MSB aligned
> * index 0 = Y plane, [15:0] Y:x [10:6] little endian
> * index 1 = Cr:Cb plane, [31:0] Cr:x:Cb:x [10:6:10:6] little endian

\
 
 \ /
  Last update: 2019-09-29 05:27    [W:0.119 / U:19.768 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site