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drm/fourcc: Add DRM_FORMAT_P230

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Add a new pixel format, DRM_FORMAT_P230 ("P230")

P230 is 2 plane 10 bit per component YCbCr 2x1 subsampled format. P230
is similar to the already existing P030 format, which is 2x2 subsampled.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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-v10-2-c690c2b8ea89@ideasonboard.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2026-04-23 17:21:13 +03:00
parent 7e68881239
commit b718f04184
2 changed files with 11 additions and 0 deletions
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3
drivers/gpu/drm/drm_fourcc.c
View File

@ -354,6 +354,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
{ .format = DRM_FORMAT_P030, .depth = 0, .num_planes = 2,
.char_per_block = { 4, 8, 0 }, .block_w = { 3, 3, 0 }, .block_h = { 1, 1, 0 },
.hsub = 2, .vsub = 2, .is_yuv = true},
{ .format = DRM_FORMAT_P230, .depth = 0, .num_planes = 2,
.char_per_block = { 4, 8, 0 }, .block_w = { 3, 3, 0 }, .block_h = { 1, 1, 0 },
.hsub = 2, .vsub = 1, .is_yuv = true },
{ .format = DRM_FORMAT_S010, .depth = 0, .num_planes = 3,
.char_per_block = { 2, 2, 2 }, .block_w = { 1, 1, 1 }, .block_h = { 1, 1, 1 },
.hsub = 2, .vsub = 2, .is_yuv = true},

8
include/uapi/drm/drm_fourcc.h
View File

@ -361,6 +361,14 @@ extern "C" {
*/
#define DRM_FORMAT_P030 fourcc_code('P', '0', '3', '0') /* 2x2 subsampled Cr:Cb plane 10 bits per channel packed */
/*
* 2 plane YCbCr422.
* 3 10 bit components and 2 padding bits packed into 4 bytes.
* index 0 = Y plane, [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian
* index 1 = Cr:Cb plane, [63:0] x:Cr2:Cb2:Cr1:x:Cb1:Cr0:Cb0 [2:10:10:10:2:10:10:10] little endian
*/
#define DRM_FORMAT_P230 fourcc_code('P', '2', '3', '0') /* 2x1 subsampled Cr:Cb plane 10 bits per channel packed */
/* 3 plane non-subsampled (444) YCbCr
* 16 bits per component, but only 10 bits are used and 6 bits are padded
* index 0: Y plane, [15:0] Y:x [10:6] little endian