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.

Tomi Valkeinen committed 6 months ago

Commit e8e388c1 parent c0f8aaa2 files · +4 −0Browse files

Unified · Split

2 files

drivers/gpu/drm/drm_fourcc.c +3 −0
include/uapi/drm/drm_fourcc.h +1 −0

drivers/gpu/drm/drm_fourcc.c+3−0

@@ -385,6 +385,9 @@ const struct drm_format_info *__drm_format_info(u32 format) · 384 unmodified lines
385	385	{ .format = DRM_FORMAT_S416, .depth = 0, .num_planes = 3,
386	386	.char_per_block = { 2, 2, 2 }, .block_w = { 1, 1, 1 }, .block_h = { 1, 1, 1 },
387	387	.hsub = 1, .vsub = 1, .is_yuv = true},
	388	+ { .format = DRM_FORMAT_XYYY2101010, .depth = 0, .num_planes = 1,
	389	+ .char_per_block = { 4, 0, 0 }, .block_w = { 3, 0, 0 }, .block_h = { 1, 0, 0 },
	390	+ .hsub = 1, .vsub = 1, .is_yuv = true },
388	391	};
389	392
390	393	unsigned int i;

include/uapi/drm/drm_fourcc.h+1−0

@@ -450,6 +450,7 @@ extern "C" { · 449 unmodified lines
450	450	*/
451	451
452	452	#define DRM_FORMAT_Y8 fourcc_code('G', 'R', 'E', 'Y') /* 8-bit Y-only */
	453	+#define DRM_FORMAT_XYYY2101010 fourcc_code('Y', 'P', 'A', '4') /* [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian */
453	454
454	455	/*
455	456	* Format Modifiers: