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drm/fourcc: Add DRM_FORMAT_T430

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Add T430, a 3 plane 10 bits per component non-subsampled YCbCr format.

A new initial letter was chosen for this one, as the format doesn't
match the existing P, Q or S formats. T is the next one in the alphabet.
It was definitely not chosen because of the initial letter in the
author's name.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Vishal Sagar <vishal.sagar@amd.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20260423-xilinx-formats-v10-5-c690c2b8ea89@ideasonboard.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen
2026-04-23 17:21:16 +03:00
parent e8e388c301
commit 7db42b1718
2 changed files with 12 additions and 0 deletions
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3
drivers/gpu/drm/drm_fourcc.c
View File

@@ -388,6 +388,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
{ .format = DRM_FORMAT_XYYY2101010, .depth = 0, .num_planes = 1,
.char_per_block = { 4, 0, 0 }, .block_w = { 3, 0, 0 }, .block_h = { 1, 0, 0 },
.hsub = 1, .vsub = 1, .is_yuv = true },
{ .format = DRM_FORMAT_T430, .depth = 0, .num_planes = 3,
.char_per_block = { 4, 4, 4 }, .block_w = { 3, 3, 3 }, .block_h = { 1, 1, 1 },
.hsub = 1, .vsub = 1, .is_yuv = true },
};
unsigned int i;

9
include/uapi/drm/drm_fourcc.h
View File

@@ -385,6 +385,15 @@ extern "C" {
*/
#define DRM_FORMAT_Q401 fourcc_code('Q', '4', '0', '1')
/*
* 3 plane non-subsampled (444) YCbCr LSB aligned
* 10 bpc, 30 bits per sample image data in a single contiguous buffer.
* index 0: Y plane, [31:0] x:Y2:Y1:Y0 [2:10:10:10] little endian
* index 1: Cb plane, [31:0] x:Cb2:Cb1:Cb0 [2:10:10:10] little endian
* index 2: Cr plane, [31:0] x:Cr2:Cr1:Cr0 [2:10:10:10] little endian
*/
#define DRM_FORMAT_T430 fourcc_code('T', '4', '3', '0')
/*
* 3 plane YCbCr LSB aligned
* In order to use these formats in a similar fashion to MSB aligned ones