From: Tomi Valkeinen Date: Thu, 23 Apr 2026 14:21:15 +0000 (+0300) Subject: drm/fourcc: Add DRM_FORMAT_XYYY2101010 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=e8e388c301809378f8a4789192dd965eb085dddb;p=thirdparty%2Flinux.git drm/fourcc: Add DRM_FORMAT_XYYY2101010 Add XYYY2101010 ("YPA4"), a 10 bit greyscale format, with 3 pixels packed into 32-bit container, and two bits of padding. The fourcc for the format is 'YPA4', which comes from Y - Y only, P - packed, A - 10 (as in 0xA), 4 - 4 bytes. Reviewed-by: Vishal Sagar Reviewed-by: Pekka Paalanen Reviewed-by: Laurent Pinchart Reviewed-by: Simon Ser Link: https://patch.msgid.link/20260423-xilinx-formats-v10-4-c690c2b8ea89@ideasonboard.com Signed-off-by: Tomi Valkeinen --- diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c index c30266b8d051..01761c553e7e 100644 --- a/drivers/gpu/drm/drm_fourcc.c +++ b/drivers/gpu/drm/drm_fourcc.c @@ -385,6 +385,9 @@ const struct drm_format_info *__drm_format_info(u32 format) { .format = DRM_FORMAT_S416, .depth = 0, .num_planes = 3, .char_per_block = { 2, 2, 2 }, .block_w = { 1, 1, 1 }, .block_h = { 1, 1, 1 }, .hsub = 1, .vsub = 1, .is_yuv = true}, + { .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 }, }; unsigned int i; diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index ede96c192169..480c67296d6a 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -450,6 +450,7 @@ extern "C" { */ #define DRM_FORMAT_Y8 fourcc_code('G', 'R', 'E', 'Y') /* 8-bit Y-only */ +#define DRM_FORMAT_XYYY2101010 fourcc_code('Y', 'P', 'A', '4') /* [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian */ /* * Format Modifiers: