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From:   Mirela Rabulea <mirela.rabulea@oss.nxp.com>
To:     mchehab@kernel.org, hverkuil-cisco@xs4all.nl, shawnguo@kernel.org,
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Subject: [PATCH v8 1/9] media: v4l: Add packed YUV444 24bpp pixel format
Date:   Mon, 22 Feb 2021 21:07:30 +0200
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From: Mirela Rabulea <mirela.rabulea@nxp.com>

The added format is V4L2_PIX_FMT_YUV24, this is a packed
YUV 4:4:4 format, with 8 bits for each component, 24 bits
per sample.

This format is used by the i.MX 8QuadMax and i.MX 8DualXPlus/8QuadXPlus
JPEG encoder/decoder.

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
 .../userspace-api/media/v4l/pixfmt-packed-yuv.rst      | 10 ++++++++++
 drivers/media/v4l2-core/v4l2-ioctl.c                   |  1 +
 include/uapi/linux/videodev2.h                         |  1 +
 3 files changed, 12 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
index eb551b57557e..4515f713decf 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
@@ -220,6 +220,16 @@ the second byte and Y'\ :sub:`7-0` in the third byte.
       - Y'\ :sub:`7-0`
       - X\ :sub:`7-0`
 
+    * .. _V4L2-PIX-FMT-YUV24:
+
+      - ``V4L2_PIX_FMT_YUV24``
+      - 'YUV3'
+
+      - Y'\ :sub:`7-0`
+      - Cb\ :sub:`7-0`
+      - Cr\ :sub:`7-0`
+      - -\
+
 .. note::
 
     - The alpha component is expected to contain a meaningful value that can be
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 31d1342e61e8..9a160283b3ae 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1304,6 +1304,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_YUV444:	descr = "16-bit A/XYUV 4-4-4-4"; break;
 	case V4L2_PIX_FMT_YUV555:	descr = "16-bit A/XYUV 1-5-5-5"; break;
 	case V4L2_PIX_FMT_YUV565:	descr = "16-bit YUV 5-6-5"; break;
+	case V4L2_PIX_FMT_YUV24:	descr = "24-bit YUV 4:4:4 8-8-8"; break;
 	case V4L2_PIX_FMT_YUV32:	descr = "32-bit A/XYUV 8-8-8-8"; break;
 	case V4L2_PIX_FMT_AYUV32:	descr = "32-bit AYUV 8-8-8-8"; break;
 	case V4L2_PIX_FMT_XYUV32:	descr = "32-bit XYUV 8-8-8-8"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 79dbde3bcf8d..9e4359be04eb 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -586,6 +586,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
+#define V4L2_PIX_FMT_YUV24   v4l2_fourcc('Y', 'U', 'V', '3') /* 24  YUV-8-8-8     */
 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
 #define V4L2_PIX_FMT_AYUV32  v4l2_fourcc('A', 'Y', 'U', 'V') /* 32  AYUV-8-8-8-8  */
 #define V4L2_PIX_FMT_XYUV32  v4l2_fourcc('X', 'Y', 'U', 'V') /* 32  XYUV-8-8-8-8  */
-- 
2.25.1