[PATCH v2 2/5] include: linux: Update kernel headers to version v6.10-rc1

Laurent Pinchart laurent.pinchart at ideasonboard.com
Sat Jun 1 23:43:50 CEST 2024


On Thu, May 30, 2024 at 07:15:57PM +0200, Hans de Goede wrote:
> Updated kernel headers to v6.10-rc1 using utils/update-kernel-headers.sh
> and re-instating libcamera local modifications.

I think you've dropped the following change from v6.10-rc1:

diff --git a/include/linux/intel-ipu3.h b/include/linux/intel-ipu3.h
index bd771f1b4f6d..8c192f352e13 100644
--- a/include/linux/intel-ipu3.h
+++ b/include/linux/intel-ipu3.h
@@ -2485,11 +2485,9 @@ struct ipu3_uapi_anr_config {
  *		&ipu3_uapi_yuvp1_y_ee_nr_config
  * @yds:	y down scaler config. See &ipu3_uapi_yuvp1_yds_config
  * @chnr:	chroma noise reduction config. See &ipu3_uapi_yuvp1_chnr_config
- * @reserved1: reserved
  * @yds2:	y channel down scaler config. See &ipu3_uapi_yuvp1_yds_config
  * @tcc:	total color correction config as defined in struct
  *		&ipu3_uapi_yuvp2_tcc_static_config
- * @reserved2: reserved
  * @anr:	advanced noise reduction config.See &ipu3_uapi_anr_config
  * @awb_fr:	AWB filter response config. See ipu3_uapi_awb_fr_config
  * @ae:	auto exposure config  As specified by &ipu3_uapi_ae_config
@@ -2724,7 +2722,6 @@ struct ipu3_uapi_obgrid_param {
  * @acc_ae: 0 = no update, 1 = update.
  * @acc_af: 0 = no update, 1 = update.
  * @acc_awb: 0 = no update, 1 = update.
- * @__acc_osys: 0 = no update, 1 = update.
  * @reserved3: Not used.
  * @lin_vmem_params: 0 = no update, 1 = update.
  * @tnr3_vmem_params: 0 = no update, 1 = update.

This isn't a libcamera local modification. I'll add it back.

The rest looks good,

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> This includes adding include/linux/udmabuf.h which was not part
> of libcamera's include/linux headers before.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
>  include/linux/README             |  2 +-
>  include/linux/drm_fourcc.h       | 10 ++---
>  include/linux/media-bus-format.h |  9 ++++
>  include/linux/rkisp1-config.h    | 56 +++++++++++++------------
>  include/linux/udmabuf.h          | 33 +++++++++++++++
>  include/linux/v4l2-controls.h    |  6 +++
>  include/linux/v4l2-mediabus.h    | 18 +++++---
>  include/linux/v4l2-subdev.h      | 29 ++++++++++---
>  include/linux/videodev2.h        | 72 ++++++++++++++++++++++++--------
>  9 files changed, 172 insertions(+), 63 deletions(-)
>  create mode 100644 include/linux/udmabuf.h
> 
> diff --git a/include/linux/README b/include/linux/README
> index 101e4997..b7795309 100644
> --- a/include/linux/README
> +++ b/include/linux/README
> @@ -1,4 +1,4 @@
>  # SPDX-License-Identifier: CC0-1.0
>  
> -Files in this directory are imported from v6.7 of the Linux kernel. Do not
> +Files in this directory are imported from v6.10-rc1 of the Linux kernel. Do not
>  modify them manually.
> diff --git a/include/linux/drm_fourcc.h b/include/linux/drm_fourcc.h
> index b4e1a092..d8e99940 100644
> --- a/include/linux/drm_fourcc.h
> +++ b/include/linux/drm_fourcc.h
> @@ -54,7 +54,7 @@ extern "C" {
>   * Format modifiers may change any property of the buffer, including the number
>   * of planes and/or the required allocation size. Format modifiers are
>   * vendor-namespaced, and as such the relationship between a fourcc code and a
> - * modifier is specific to the modifer being used. For example, some modifiers
> + * modifier is specific to the modifier being used. For example, some modifiers
>   * may preserve meaning - such as number of planes - from the fourcc code,
>   * whereas others may not.
>   *
> @@ -79,7 +79,7 @@ extern "C" {
>   *   format.
>   * - Higher-level programs interfacing with KMS/GBM/EGL/Vulkan/etc: these users
>   *   see modifiers as opaque tokens they can check for equality and intersect.
> - *   These users musn't need to know to reason about the modifier value
> + *   These users mustn't need to know to reason about the modifier value
>   *   (i.e. they are not expected to extract information out of the modifier).
>   *
>   * Vendors should document their modifier usage in as much detail as
> @@ -610,7 +610,7 @@ extern "C" {
>   * This is a tiled layout using 4Kb tiles in row-major layout.
>   * Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
>   * are arranged in four groups (two wide, two high) with column-major layout.
> - * Each group therefore consits out of four 256 byte units, which are also laid
> + * Each group therefore consists out of four 256 byte units, which are also laid
>   * out as 2x2 column-major.
>   * 256 byte units are made out of four 64 byte blocks of pixels, producing
>   * either a square block or a 2:1 unit.
> @@ -1183,7 +1183,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
>   */
>  
>  /*
> - * The top 4 bits (out of the 56 bits alloted for specifying vendor specific
> + * The top 4 bits (out of the 56 bits allotted for specifying vendor specific
>   * modifiers) denote the category for modifiers. Currently we have three
>   * categories of modifiers ie AFBC, MISC and AFRC. We can have a maximum of
>   * sixteen different categories.
> @@ -1499,7 +1499,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
>   * Amlogic FBC Memory Saving mode
>   *
>   * Indicates the storage is packed when pixel size is multiple of word
> - * boudaries, i.e. 8bit should be stored in this mode to save allocation
> + * boundaries, i.e. 8bit should be stored in this mode to save allocation
>   * memory.
>   *
>   * This mode reduces body layout to 3072 bytes per 64x32 superblock with
> diff --git a/include/linux/media-bus-format.h b/include/linux/media-bus-format.h
> index f05f747e..d4c1d991 100644
> --- a/include/linux/media-bus-format.h
> +++ b/include/linux/media-bus-format.h
> @@ -174,4 +174,13 @@
>   */
>  #define MEDIA_BUS_FMT_METADATA_FIXED		0x7001
>  
> +/* Generic line based metadata formats for serial buses. Next is 0x8008. */
> +#define MEDIA_BUS_FMT_META_8			0x8001
> +#define MEDIA_BUS_FMT_META_10			0x8002
> +#define MEDIA_BUS_FMT_META_12			0x8003
> +#define MEDIA_BUS_FMT_META_14			0x8004
> +#define MEDIA_BUS_FMT_META_16			0x8005
> +#define MEDIA_BUS_FMT_META_20			0x8006
> +#define MEDIA_BUS_FMT_META_24			0x8007
> +
>  #endif /* __LINUX_MEDIA_BUS_FORMAT_H */
> diff --git a/include/linux/rkisp1-config.h b/include/linux/rkisp1-config.h
> index 2d1c448a..f87c6bd4 100644
> --- a/include/linux/rkisp1-config.h
> +++ b/include/linux/rkisp1-config.h
> @@ -4,8 +4,8 @@
>   * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
>   */
>  
> -#ifndef _UAPI_RKISP1_CONFIG_H
> -#define _UAPI_RKISP1_CONFIG_H
> +#ifndef _RKISP1_CONFIG_H
> +#define _RKISP1_CONFIG_H
>  
>  #include <linux/types.h>
>  
> @@ -175,11 +175,14 @@
>  /**
>   * enum rkisp1_cif_isp_version - ISP variants
>   *
> - * @RKISP1_V10: used at least in rk3288 and rk3399
> - * @RKISP1_V11: declared in the original vendor code, but not used
> - * @RKISP1_V12: used at least in rk3326 and px30
> - * @RKISP1_V13: used at least in rk1808
> - * @RKISP1_V_IMX8MP: used in at least imx8mp
> + * @RKISP1_V10: Used at least in RK3288 and RK3399.
> + * @RKISP1_V11: Declared in the original vendor code, but not used. Same number
> + *	of entries in grids and histogram as v10.
> + * @RKISP1_V12: Used at least in RK3326 and PX30.
> + * @RKISP1_V13: Used at least in RK1808. Same number of entries in grids and
> + *	histogram as v12.
> + * @RKISP1_V_IMX8MP: Used in at least i.MX8MP. Same number of entries in grids
> + *	and histogram as v10.
>   */
>  enum rkisp1_cif_isp_version {
>  	RKISP1_V10 = 10,
> @@ -586,10 +589,9 @@ enum rkisp1_cif_isp_goc_mode {
>   * as is reported by the hw_revision field of the struct media_device_info
>   * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
>   *
> - * Versions <= V11 have RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10
> - * entries, versions >= V12 have RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12
> - * entries. RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES is equal to the maximum
> - * of the two.
> + * V10 has RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10 entries, V12 has
> + * RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12 entries.
> + * RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES is equal to the maximum of the two.
>   */
>  struct rkisp1_cif_isp_goc_config {
>  	__u32 mode;
> @@ -609,10 +611,10 @@ struct rkisp1_cif_isp_goc_config {
>   * as is reported by the hw_revision field of the struct media_device_info
>   * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
>   *
> - * Versions <= V11 have RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10
> - * entries, versions >= V12 have RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12
> - * entries. RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE is equal to the maximum
> - * of the two.
> + * V10 has RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10 entries, V12 has
> + * RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12 entries.
> + * RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE is equal to the maximum of the
> + * two.
>   */
>  struct rkisp1_cif_isp_hst_config {
>  	__u32 mode;
> @@ -904,9 +906,9 @@ struct rkisp1_cif_isp_bls_meas_val {
>   * as is reported by the hw_revision field of the struct media_device_info
>   * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
>   *
> - * Versions <= V11 have RKISP1_CIF_ISP_AE_MEAN_MAX_V10 entries,
> - * versions >= V12 have RKISP1_CIF_ISP_AE_MEAN_MAX_V12 entries.
> - * RKISP1_CIF_ISP_AE_MEAN_MAX is equal to the maximum of the two.
> + * V10 has RKISP1_CIF_ISP_AE_MEAN_MAX_V10 entries, V12 has
> + * RKISP1_CIF_ISP_AE_MEAN_MAX_V12 entries. RKISP1_CIF_ISP_AE_MEAN_MAX is equal
> + * to the maximum of the two.
>   *
>   * Image is divided into 5x5 blocks on V10 and 9x9 blocks on V12.
>   */
> @@ -946,21 +948,21 @@ struct rkisp1_cif_isp_af_stat {
>   *	       integer part.
>   *
>   * The window of the measurements area is divided to 5x5 sub-windows for
> - * V10/V11 and to 9x9 sub-windows for V12. The histogram is then computed for
> - * each sub-window independently and the final result is a weighted average of
> - * the histogram measurements on all sub-windows. The window of the
> - * measurements area and the weight of each sub-window are configurable using
> + * V10 and to 9x9 sub-windows for V12. The histogram is then computed for each
> + * sub-window independently and the final result is a weighted average of the
> + * histogram measurements on all sub-windows. The window of the measurements
> + * area and the weight of each sub-window are configurable using
>   * struct @rkisp1_cif_isp_hst_config.
>   *
> - * The histogram contains 16 bins in V10/V11 and 32 bins in V12/V13.
> + * The histogram contains 16 bins in V10 and 32 bins in V12.
>   *
>   * The number of entries of @hist_bins depends on the hardware revision
>   * as is reported by the hw_revision field of the struct media_device_info
>   * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
>   *
> - * Versions <= V11 have RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10 entries,
> - * versions >= V12 have RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12 entries.
> - * RKISP1_CIF_ISP_HIST_BIN_N_MAX is equal to the maximum of the two.
> + * V10 has RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10 entries, V12 has
> + * RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12 entries. RKISP1_CIF_ISP_HIST_BIN_N_MAX is
> + * equal to the maximum of the two.
>   */
>  struct rkisp1_cif_isp_hist_stat {
>  	__u32 hist_bins[RKISP1_CIF_ISP_HIST_BIN_N_MAX];
> @@ -994,4 +996,4 @@ struct rkisp1_stat_buffer {
>  	struct rkisp1_cif_isp_stat params;
>  };
>  
> -#endif /* _UAPI_RKISP1_CONFIG_H */
> +#endif /* _RKISP1_CONFIG_H */
> diff --git a/include/linux/udmabuf.h b/include/linux/udmabuf.h
> new file mode 100644
> index 00000000..76cc7de9
> --- /dev/null
> +++ b/include/linux/udmabuf.h
> @@ -0,0 +1,33 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +#ifndef _LINUX_UDMABUF_H
> +#define _LINUX_UDMABUF_H
> +
> +#include <linux/types.h>
> +#include <linux/ioctl.h>
> +
> +#define UDMABUF_FLAGS_CLOEXEC	0x01
> +
> +struct udmabuf_create {
> +	__u32 memfd;
> +	__u32 flags;
> +	__u64 offset;
> +	__u64 size;
> +};
> +
> +struct udmabuf_create_item {
> +	__u32 memfd;
> +	__u32 __pad;
> +	__u64 offset;
> +	__u64 size;
> +};
> +
> +struct udmabuf_create_list {
> +	__u32 flags;
> +	__u32 count;
> +	struct udmabuf_create_item list[];
> +};
> +
> +#define UDMABUF_CREATE       _IOW('u', 0x42, struct udmabuf_create)
> +#define UDMABUF_CREATE_LIST  _IOW('u', 0x43, struct udmabuf_create_list)
> +
> +#endif /* _LINUX_UDMABUF_H */
> diff --git a/include/linux/v4l2-controls.h b/include/linux/v4l2-controls.h
> index b9f64810..1e6e816b 100644
> --- a/include/linux/v4l2-controls.h
> +++ b/include/linux/v4l2-controls.h
> @@ -211,6 +211,12 @@ enum v4l2_colorfx {
>   */
>  #define V4L2_CID_USER_NPCM_BASE			(V4L2_CID_USER_BASE + 0x11b0)
>  
> +/*
> + * The base for THine THP7312 driver controls.
> + * We reserve 32 controls for this driver.
> + */
> +#define V4L2_CID_USER_THP7312_BASE		(V4L2_CID_USER_BASE + 0x11c0)
> +
>  /* MPEG-class control IDs */
>  /* The MPEG controls are applicable to all codec controls
>   * and the 'MPEG' part of the define is historical */
> diff --git a/include/linux/v4l2-mediabus.h b/include/linux/v4l2-mediabus.h
> index 2c318de1..097ef739 100644
> --- a/include/linux/v4l2-mediabus.h
> +++ b/include/linux/v4l2-mediabus.h
> @@ -19,12 +19,18 @@
>   * @width:	image width
>   * @height:	image height
>   * @code:	data format code (from enum v4l2_mbus_pixelcode)
> - * @field:	used interlacing type (from enum v4l2_field)
> - * @colorspace:	colorspace of the data (from enum v4l2_colorspace)
> - * @ycbcr_enc:	YCbCr encoding of the data (from enum v4l2_ycbcr_encoding)
> - * @hsv_enc:	HSV encoding of the data (from enum v4l2_hsv_encoding)
> - * @quantization: quantization of the data (from enum v4l2_quantization)
> - * @xfer_func:  transfer function of the data (from enum v4l2_xfer_func)
> + * @field:	used interlacing type (from enum v4l2_field), zero for metadata
> + *		mbus codes
> + * @colorspace:	colorspace of the data (from enum v4l2_colorspace), zero on
> + *		metadata mbus codes
> + * @ycbcr_enc:	YCbCr encoding of the data (from enum v4l2_ycbcr_encoding), zero
> + *		for metadata mbus codes
> + * @hsv_enc:	HSV encoding of the data (from enum v4l2_hsv_encoding), zero for
> + *		metadata mbus codes
> + * @quantization: quantization of the data (from enum v4l2_quantization), zero
> + *		for metadata mbus codes
> + * @xfer_func:  transfer function of the data (from enum v4l2_xfer_func), zero
> + *		for metadata mbus codes
>   * @flags:	flags (V4L2_MBUS_FRAMEFMT_*)
>   * @reserved:  reserved bytes that can be later used
>   */
> diff --git a/include/linux/v4l2-subdev.h b/include/linux/v4l2-subdev.h
> index b383c2fe..2347e266 100644
> --- a/include/linux/v4l2-subdev.h
> +++ b/include/linux/v4l2-subdev.h
> @@ -50,6 +50,10 @@ struct v4l2_subdev_format {
>   * @rect: pad crop rectangle boundaries
>   * @stream: stream number, defined in subdev routing
>   * @reserved: drivers and applications must zero this array
> + *
> + * The subdev crop API is an obsolete interface and may be removed in the
> + * future. It is superseded by the selection API. No new extensions to this
> + * structure will be accepted.
>   */
>  struct v4l2_subdev_crop {
>  	__u32 which;
> @@ -116,13 +120,15 @@ struct v4l2_subdev_frame_size_enum {
>   * @pad: pad number, as reported by the media API
>   * @interval: frame interval in seconds
>   * @stream: stream number, defined in subdev routing
> + * @which: interval type (from enum v4l2_subdev_format_whence)
>   * @reserved: drivers and applications must zero this array
>   */
>  struct v4l2_subdev_frame_interval {
>  	__u32 pad;
>  	struct v4l2_fract interval;
>  	__u32 stream;
> -	__u32 reserved[8];
> +	__u32 which;
> +	__u32 reserved[7];
>  };
>  
>  /**
> @@ -133,7 +139,7 @@ struct v4l2_subdev_frame_interval {
>   * @width: frame width in pixels
>   * @height: frame height in pixels
>   * @interval: frame interval in seconds
> - * @which: format type (from enum v4l2_subdev_format_whence)
> + * @which: interval type (from enum v4l2_subdev_format_whence)
>   * @stream: stream number, defined in subdev routing
>   * @reserved: drivers and applications must zero this array
>   */
> @@ -222,15 +228,19 @@ struct v4l2_subdev_route {
>   * struct v4l2_subdev_routing - Subdev routing information
>   *
>   * @which: configuration type (from enum v4l2_subdev_format_whence)
> - * @num_routes: the total number of routes in the routes array
> + * @len_routes: the length of the routes array, in routes; set by the user, not
> + *		modified by the kernel
>   * @routes: pointer to the routes array
> + * @num_routes: the total number of routes, possibly more than fits in the
> + *		routes array
>   * @reserved: drivers and applications must zero this array
>   */
>  struct v4l2_subdev_routing {
>  	__u32 which;
> -	__u32 num_routes;
> +	__u32 len_routes;
>  	__u64 routes;
> -	__u32 reserved[6];
> +	__u32 num_routes;
> +	__u32 reserved[11];
>  };
>  
>  /*
> @@ -239,7 +249,14 @@ struct v4l2_subdev_routing {
>   * set (which is the default), the 'stream' fields will be forced to 0 by the
>   * kernel.
>   */
> - #define V4L2_SUBDEV_CLIENT_CAP_STREAMS		(1ULL << 0)
> +#define V4L2_SUBDEV_CLIENT_CAP_STREAMS			(1ULL << 0)
> +
> +/*
> + * The client is aware of the struct v4l2_subdev_frame_interval which field. If
> + * this is not set (which is the default), the which field is forced to
> + * V4L2_SUBDEV_FORMAT_ACTIVE by the kernel.
> + */
> +#define V4L2_SUBDEV_CLIENT_CAP_INTERVAL_USES_WHICH	(1ULL << 1)
>  
>  /**
>   * struct v4l2_subdev_client_capability - Capabilities of the client accessing
> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
> index 0b5482a0..7fe522e8 100644
> --- a/include/linux/videodev2.h
> +++ b/include/linux/videodev2.h
> @@ -574,6 +574,8 @@ struct v4l2_pix_format {
>  #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
>  #define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */
>  #define V4L2_PIX_FMT_IPU3_Y10		v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
> +#define V4L2_PIX_FMT_Y12P    v4l2_fourcc('Y', '1', '2', 'P') /* 12  Greyscale, MIPI RAW12 packed */
> +#define V4L2_PIX_FMT_Y14P    v4l2_fourcc('Y', '1', '4', 'P') /* 14  Greyscale, MIPI RAW14 packed */
>  
>  /* Palette formats */
>  #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
> @@ -867,6 +869,7 @@ struct v4l2_fmtdesc {
>  #define V4L2_FMT_FLAG_CSC_YCBCR_ENC		0x0080
>  #define V4L2_FMT_FLAG_CSC_HSV_ENC		V4L2_FMT_FLAG_CSC_YCBCR_ENC
>  #define V4L2_FMT_FLAG_CSC_QUANTIZATION		0x0100
> +#define V4L2_FMT_FLAG_META_LINE_BASED		0x0200
>  
>  	/* Frame Size and frame rate enumeration */
>  /*
> @@ -1016,18 +1019,20 @@ struct v4l2_requestbuffers {
>  #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS		(1 << 4)
>  #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF	(1 << 5)
>  #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS		(1 << 6)
> +#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS		(1 << 7)
> +#define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS		(1 << 8)
>  
>  /**
>   * struct v4l2_plane - plane info for multi-planar buffers
>   * @bytesused:		number of bytes occupied by data in the plane (payload)
>   * @length:		size of this plane (NOT the payload) in bytes
> - * @mem_offset:		when memory in the associated struct v4l2_buffer is
> + * @m.mem_offset:	when memory in the associated struct v4l2_buffer is
>   *			V4L2_MEMORY_MMAP, equals the offset from the start of
>   *			the device memory for this plane (or is a "cookie" that
>   *			should be passed to mmap() called on the video node)
> - * @userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
> + * @m.userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
>   *			pointing to this plane
> - * @fd:			when memory is V4L2_MEMORY_DMABUF, a userspace file
> + * @m.fd:		when memory is V4L2_MEMORY_DMABUF, a userspace file
>   *			descriptor associated with this plane
>   * @m:			union of @mem_offset, @userptr and @fd
>   * @data_offset:	offset in the plane to the start of data; usually 0,
> @@ -1065,14 +1070,14 @@ struct v4l2_plane {
>   * @sequence:	sequence count of this frame
>   * @memory:	enum v4l2_memory; the method, in which the actual video data is
>   *		passed
> - * @offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
> + * @m.offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
>   *		offset from the start of the device memory for this plane,
>   *		(or a "cookie" that should be passed to mmap() as offset)
> - * @userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
> + * @m.userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
>   *		a userspace pointer pointing to this buffer
> - * @fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
> + * @m.fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
>   *		a userspace file descriptor associated with this buffer
> - * @planes:	for multiplanar buffers; userspace pointer to the array of plane
> + * @m.planes:	for multiplanar buffers; userspace pointer to the array of plane
>   *		info structs for this buffer
>   * @m:		union of @offset, @userptr, @planes and @fd
>   * @length:	size in bytes of the buffer (NOT its payload) for single-plane
> @@ -1810,8 +1815,10 @@ struct v4l2_ext_control {
>  		struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry;
>  		struct v4l2_ctrl_av1_frame *p_av1_frame;
>  		struct v4l2_ctrl_av1_film_grain *p_av1_film_grain;
> +		struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info;
> +		struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display;
>  		void *ptr;
> -	};
> +	} __attribute__ ((packed));
>  } __attribute__ ((packed));
>  
>  struct v4l2_ext_controls {
> @@ -2381,23 +2388,32 @@ struct v4l2_sdr_format {
>   * struct v4l2_meta_format - metadata format definition
>   * @dataformat:		little endian four character code (fourcc)
>   * @buffersize:		maximum size in bytes required for data
> + * @width:		number of data units of data per line (valid for line
> + *			based formats only, see format documentation)
> + * @height:		number of lines of data per buffer (valid for line based
> + *			formats only)
> + * @bytesperline:	offset between the beginnings of two adjacent lines in
> + *			bytes (valid for line based formats only)
>   */
>  struct v4l2_meta_format {
>  	__u32				dataformat;
>  	__u32				buffersize;
> +	__u32				width;
> +	__u32				height;
> +	__u32				bytesperline;
>  } __attribute__ ((packed));
>  
>  /**
>   * struct v4l2_format - stream data format
> - * @type:	enum v4l2_buf_type; type of the data stream
> - * @pix:	definition of an image format
> - * @pix_mp:	definition of a multiplanar image format
> - * @win:	definition of an overlaid image
> - * @vbi:	raw VBI capture or output parameters
> - * @sliced:	sliced VBI capture or output parameters
> - * @raw_data:	placeholder for future extensions and custom formats
> - * @fmt:	union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
> - *		and @raw_data
> + * @type:		enum v4l2_buf_type; type of the data stream
> + * @fmt.pix:		definition of an image format
> + * @fmt.pix_mp:		definition of a multiplanar image format
> + * @fmt.win:		definition of an overlaid image
> + * @fmt.vbi:		raw VBI capture or output parameters
> + * @fmt.sliced:		sliced VBI capture or output parameters
> + * @fmt.raw_data:	placeholder for future extensions and custom formats
> + * @fmt:		union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
> + *			@meta and @raw_data
>   */
>  struct v4l2_format {
>  	__u32	 type;
> @@ -2570,6 +2586,9 @@ struct v4l2_dbg_chip_info {
>   * @flags:	additional buffer management attributes (ignored unless the
>   *		queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
>   *		and configured for MMAP streaming I/O).
> + * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
> + *		this field indicate the maximum possible number of buffers
> + *		for this queue.
>   * @reserved:	future extensions
>   */
>  struct v4l2_create_buffers {
> @@ -2579,7 +2598,22 @@ struct v4l2_create_buffers {
>  	struct v4l2_format	format;
>  	__u32			capabilities;
>  	__u32			flags;
> -	__u32			reserved[6];
> +	__u32			max_num_buffers;
> +	__u32			reserved[5];
> +};
> +
> +/**
> + * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
> + * @index:	the first buffer to be removed
> + * @count:	number of buffers to removed
> + * @type:	enum v4l2_buf_type
> + * @reserved:	future extensions
> + */
> +struct v4l2_remove_buffers {
> +	__u32			index;
> +	__u32			count;
> +	__u32			type;
> +	__u32			reserved[13];
>  };
>  
>  /*
> @@ -2681,6 +2715,8 @@ struct v4l2_create_buffers {
>  #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
>  
>  #define VIDIOC_QUERY_EXT_CTRL	_IOWR('V', 103, struct v4l2_query_ext_ctrl)
> +#define VIDIOC_REMOVE_BUFS	_IOWR('V', 104, struct v4l2_remove_buffers)
> +
>  
>  /* Reminder: when adding new ioctls please add support for them to
>     drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */

-- 
Regards,

Laurent Pinchart


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