[PATCH v2 02/17] media: v4l2: Add P210 pixel format
From: Sofus Forstreuter <hidden>
Date: 2026-09-26 13:16:11
Also in:
asahi, linux-devicetree, linux-media, linux-rockchip, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
P210 is a YUV format with 10-bits per component with interleaved UV. Signed-off-by: Sofus Forstreuter <redacted> --- .../userspace-api/media/v4l/pixfmt-yuv-planar.rst | 14 ++++++++++++-- drivers/media/v4l2-core/v4l2-common.c | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
index 0631919bd667..f2d2e79698fa 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst@@ -138,6 +138,13 @@ All components are stored with the same number of bits per component. - Cb, Cr - No - Linear + * - V4L2_PIX_FMT_P210 + - 'P210' + - 10 + - 4:2:2 + - Cb, Cr + - Yes + - Linear * - V4L2_PIX_FMT_NV15 - 'NV15' - 10
@@ -834,12 +841,15 @@ number of lines as the luma plane. .. _V4L2_PIX_FMT_P010: .. _V4L2-PIX-FMT-P010-4L4: +.. _V4L2-PIX-FMT-P210: -P010 and tiled P010 -------------------- +P010, tiled P010 and P210 +------------------------- P010 is like NV12 with 10 bits per component, expanded to 16 bits. Data in the 10 high bits, zeros in the 6 low bits, arranged in little endian order. +P210 is the same as P010 but the chroma plane is only subsampled by 2 in the +horizontal direction. .. flat-table:: Sample 4x4 P010 Image :header-rows: 0
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index c825820fd481..b78fc0845a16 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c@@ -325,6 +325,7 @@ const struct v4l2_format_info *v4l2_format_info(u32 format) { .format = V4L2_PIX_FMT_NV42, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 }, { .format = V4L2_PIX_FMT_P010, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 2, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 1 }, { .format = V4L2_PIX_FMT_P012, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 2, 4, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2 }, + { .format = V4L2_PIX_FMT_P210, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 2, 4, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 1 }, { .format = V4L2_PIX_FMT_YUV410, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 4, .vdiv = 4 }, { .format = V4L2_PIX_FMT_YVU410, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 4, .vdiv = 4 },
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 17ba1ae70735..1f2519ffeb2b 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c@@ -1369,6 +1369,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_NV42: descr = "Y/VU 4:4:4"; break; case V4L2_PIX_FMT_P010: descr = "10-bit Y/UV 4:2:0"; break; case V4L2_PIX_FMT_P012: descr = "12-bit Y/UV 4:2:0"; break; + case V4L2_PIX_FMT_P210: descr = "10-bit Y/UV 4:2:2"; break; case V4L2_PIX_FMT_NV12_4L4: descr = "Y/UV 4:2:0 (4x4 Linear)"; break; case V4L2_PIX_FMT_NV12_16L16: descr = "Y/UV 4:2:0 (16x16 Linear)"; break; case V4L2_PIX_FMT_NV12_32L32: descr = "Y/UV 4:2:0 (32x32 Linear)"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 5373dba640fa..5472e433ed06 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h@@ -659,6 +659,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ +#define V4L2_PIX_FMT_P210 v4l2_fourcc('P', '2', '1', '0') /* 32 Y/CbCr 4:2:2 10-bit per component */ /* two non contiguous planes - one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
--
2.55.0