From: "Noralf Trønnes" <noralf@tronnes.org>
To: Maxime Ripard <maxime@cerno.tech>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Chen-Yu Tsai <wens@csie.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Jerome Brunet <jbrunet@baylibre.com>,
Samuel Holland <samuel@sholland.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Daniel Vetter <daniel@ffwll.ch>, Emma Anholt <emma@anholt.net>,
David Airlie <airlied@linux.ie>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Kevin Hilman <khilman@baylibre.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Maxime Ripard <mripard@kernel.org>
Cc: "Dom Cobley" <dom@raspberrypi.com>,
"Dave Stevenson" <dave.stevenson@raspberrypi.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
"Mateusz Kwiatkowski" <kfyatek+publicgit@gmail.com>,
"Noralf Trønnes" <noralf@tronnes.org>,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev,
"Phil Elwell" <phil@raspberrypi.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v1 05/35] drm/connector: Add TV standard property
Date: Sat, 20 Aug 2022 22:12:46 +0200 [thread overview]
Message-ID: <37a76651-a457-e50d-9a05-00ca9ed5d729@tronnes.org> (raw)
In-Reply-To: <20220728-rpi-analog-tv-properties-v1-5-3d53ae722097@cerno.tech>
Den 29.07.2022 18.34, skrev Maxime Ripard:
> The TV mode property has been around for a while now to select and get the
> current TV mode output on an analog TV connector.
>
> Despite that property name being generic, its content isn't and has been
> driver-specific which makes it hard to build any generic behaviour on top
> of it, both in kernel and user-space.
>
> Let's create a new bitmask tv norm property, that can contain any of the
> analog TV standards currently supported by kernel drivers. Each driver can
> then pass in a bitmask of the modes it supports.
>
> We'll then be able to phase out the older tv mode property.
>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
>
> diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
> index c06d0639d552..d7ff6c644c2f 100644
> --- a/drivers/gpu/drm/drm_atomic_uapi.c
> +++ b/drivers/gpu/drm/drm_atomic_uapi.c
> @@ -700,6 +700,8 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
> state->tv.margins.bottom = val;
> } else if (property == config->tv_mode_property) {
> state->tv.mode = val;
> + } else if (property == config->tv_norm_property) {
> + state->tv.norm = val;
> } else if (property == config->tv_brightness_property) {
> state->tv.brightness = val;
> } else if (property == config->tv_contrast_property) {
> @@ -810,6 +812,8 @@ drm_atomic_connector_get_property(struct drm_connector *connector,
> *val = state->tv.margins.bottom;
> } else if (property == config->tv_mode_property) {
> *val = state->tv.mode;
> + } else if (property == config->tv_norm_property) {
> + *val = state->tv.norm;
> } else if (property == config->tv_brightness_property) {
> *val = state->tv.brightness;
> } else if (property == config->tv_contrast_property) {
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index e3142c8142b3..68a4e47f85a9 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -1637,6 +1637,7 @@ EXPORT_SYMBOL(drm_mode_create_tv_margin_properties);
> /**
> * drm_mode_create_tv_properties - create TV specific connector properties
> * @dev: DRM device
> + * @supported_tv_norms: Bitmask of TV norms supported (See DRM_MODE_TV_NORM_*)
> * @num_modes: number of different TV formats (modes) supported
> * @modes: array of pointers to strings containing name of each format
> *
> @@ -1649,11 +1650,40 @@ EXPORT_SYMBOL(drm_mode_create_tv_margin_properties);
> * 0 on success or a negative error code on failure.
> */
> int drm_mode_create_tv_properties(struct drm_device *dev,
> + unsigned int supported_tv_norms,
> unsigned int num_modes,
> const char * const modes[])
> {
> + static const struct drm_prop_enum_list tv_norm_values[] = {
> + { __builtin_ffs(DRM_MODE_TV_NORM_NTSC_443) - 1, "NTSC-443" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_NTSC_J) - 1, "NTSC-J" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_NTSC_M) - 1, "NTSC-M" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_60) - 1, "PAL-60" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_B) - 1, "PAL-B" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_D) - 1, "PAL-D" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_G) - 1, "PAL-G" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_H) - 1, "PAL-H" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_I) - 1, "PAL-I" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_M) - 1, "PAL-M" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_N) - 1, "PAL-N" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_PAL_NC) - 1, "PAL-Nc" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_60) - 1, "SECAM-60" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_B) - 1, "SECAM-B" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_D) - 1, "SECAM-D" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_G) - 1, "SECAM-G" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_K) - 1, "SECAM-K" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_K1) - 1, "SECAM-K1" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_SECAM_L) - 1, "SECAM-L" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_HD480I) - 1, "hd480i" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_HD480P) - 1, "hd480p" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_HD576I) - 1, "hd576i" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_HD576P) - 1, "hd576p" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_HD720P) - 1, "hd720p" },
> + { __builtin_ffs(DRM_MODE_TV_NORM_HD1080I) - 1, "hd1080i" },
> + };
> struct drm_property *tv_selector;
> struct drm_property *tv_subconnector;
> + struct drm_property *tv_norm;
> unsigned int i;
>
> if (dev->mode_config.tv_select_subconnector_property)
> @@ -1686,6 +1716,13 @@ int drm_mode_create_tv_properties(struct drm_device *dev,
> if (drm_mode_create_tv_margin_properties(dev))
> goto nomem;
>
> + tv_norm = drm_property_create_bitmask(dev, 0, "tv norm",
> + tv_norm_values, ARRAY_SIZE(tv_norm_values),
> + supported_tv_norms);
> + if (!tv_norm)
> + goto nomem;
> + dev->mode_config.tv_norm_property = tv_norm;
> +
> dev->mode_config.tv_mode_property =
> drm_property_create(dev, DRM_MODE_PROP_ENUM,
> "mode", num_modes);
> diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c
> index 4a788c1c9058..457529e5d857 100644
> --- a/drivers/gpu/drm/vc4/vc4_vec.c
> +++ b/drivers/gpu/drm/vc4/vc4_vec.c
> @@ -573,7 +573,9 @@ static int vc4_vec_bind(struct device *dev, struct device *master, void *data)
> struct vc4_vec *vec;
> int ret;
>
> - ret = drm_mode_create_tv_properties(drm, ARRAY_SIZE(tv_mode_names),
> + ret = drm_mode_create_tv_properties(drm,
> + 0,
> + ARRAY_SIZE(tv_mode_names),
> tv_mode_names);
> if (ret)
> return ret;
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 1e9996b33cc8..78275e68ff66 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -143,6 +143,32 @@ enum subpixel_order {
>
> };
>
> +#define DRM_MODE_TV_NORM_NTSC_443 (1 << 0)
> +#define DRM_MODE_TV_NORM_NTSC_J (1 << 1)
> +#define DRM_MODE_TV_NORM_NTSC_M (1 << 2)
> +#define DRM_MODE_TV_NORM_PAL_60 (1 << 3)
> +#define DRM_MODE_TV_NORM_PAL_B (1 << 4)
> +#define DRM_MODE_TV_NORM_PAL_D (1 << 5)
> +#define DRM_MODE_TV_NORM_PAL_G (1 << 6)
> +#define DRM_MODE_TV_NORM_PAL_H (1 << 7)
> +#define DRM_MODE_TV_NORM_PAL_I (1 << 8)
> +#define DRM_MODE_TV_NORM_PAL_M (1 << 9)
> +#define DRM_MODE_TV_NORM_PAL_N (1 << 10)
> +#define DRM_MODE_TV_NORM_PAL_NC (1 << 11)
> +#define DRM_MODE_TV_NORM_SECAM_60 (1 << 12)
> +#define DRM_MODE_TV_NORM_SECAM_B (1 << 13)
> +#define DRM_MODE_TV_NORM_SECAM_D (1 << 14)
> +#define DRM_MODE_TV_NORM_SECAM_G (1 << 15)
> +#define DRM_MODE_TV_NORM_SECAM_K (1 << 16)
> +#define DRM_MODE_TV_NORM_SECAM_K1 (1 << 17)
> +#define DRM_MODE_TV_NORM_SECAM_L (1 << 18)
> +#define DRM_MODE_TV_NORM_HD480I (1 << 19)
> +#define DRM_MODE_TV_NORM_HD480P (1 << 20)
> +#define DRM_MODE_TV_NORM_HD576I (1 << 21)
> +#define DRM_MODE_TV_NORM_HD576P (1 << 22)
> +#define DRM_MODE_TV_NORM_HD720P (1 << 23)
> +#define DRM_MODE_TV_NORM_HD1080I (1 << 24)
> +
This is an area where DRM overlaps with v4l2, see:
- include/dt-bindings/display/sdtv-standards.h
- v4l2_norm_to_name()
Maybe we should follow suit, but if we do our own thing please mention
why in the commit message.
Noralf.
> /**
> * struct drm_scrambling: sink's scrambling support.
> */
> @@ -687,6 +713,7 @@ struct drm_tv_connector_state {
> enum drm_mode_subconnector subconnector;
> struct drm_connector_tv_margins margins;
> unsigned int mode;
> + unsigned int norm;
> unsigned int brightness;
> unsigned int contrast;
> unsigned int flicker_reduction;
> @@ -1779,6 +1806,7 @@ void drm_connector_attach_dp_subconnector_property(struct drm_connector *connect
>
> int drm_mode_create_tv_margin_properties(struct drm_device *dev);
> int drm_mode_create_tv_properties(struct drm_device *dev,
> + unsigned int supported_tv_norms,
> unsigned int num_modes,
> const char * const modes[]);
> void drm_connector_attach_tv_margin_properties(struct drm_connector *conn);
> diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
> index 6b5e01295348..d9e79def8b92 100644
> --- a/include/drm/drm_mode_config.h
> +++ b/include/drm/drm_mode_config.h
> @@ -704,6 +704,12 @@ struct drm_mode_config {
> */
> struct drm_property *dp_subconnector_property;
>
> + /**
> + * @tv_norm_property: Optional TV property to select the TV
> + * standard output on the connector.
> + */
> + struct drm_property *tv_norm_property;
> +
> /**
> * @tv_subconnector_property: Optional TV property to differentiate
> * between different TV connector types.
>
next prev parent reply other threads:[~2022-08-20 20:13 UTC|newest]
Thread overview: 151+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-29 16:34 [PATCH v1 00/35] drm: Analog TV Improvements Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 01/35] drm/atomic-helper: Rename drm_atomic_helper_connector_tv_reset to avoid ambiguity Maxime Ripard
2022-08-08 12:25 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 02/35] drm/connector: Rename subconnector state variable Maxime Ripard
2022-08-08 12:26 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 03/35] drm/atomic: Add TV subconnector property to get/set_property Maxime Ripard
2022-08-08 12:30 ` Noralf Trønnes
2022-08-15 7:35 ` Maxime Ripard
2022-08-15 10:48 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 04/35] drm/modes: Introduce 480i and 576i modes Maxime Ripard
2022-08-02 13:58 ` Jani Nikula
2022-08-02 14:16 ` Thomas Zimmermann
2022-08-16 11:58 ` Maxime Ripard
2022-08-12 13:18 ` Geert Uytterhoeven
2022-08-16 13:26 ` Maxime Ripard
2022-08-16 15:00 ` Geert Uytterhoeven
2022-08-17 7:53 ` Maxime Ripard
2022-08-17 8:51 ` Geert Uytterhoeven
2022-08-17 13:14 ` Maxime Ripard
2022-08-17 14:01 ` Geert Uytterhoeven
2022-08-18 12:39 ` Maxime Ripard
2022-08-18 12:57 ` Geert Uytterhoeven
2022-08-18 13:42 ` Maxime Ripard
2022-08-18 15:34 ` Geert Uytterhoeven
2022-08-18 15:46 ` Maxime Ripard
2022-08-18 15:56 ` Geert Uytterhoeven
2022-08-24 16:42 ` Mateusz Kwiatkowski
2022-08-29 13:29 ` Maxime Ripard
2022-08-29 14:14 ` Geert Uytterhoeven
2022-08-29 14:33 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 05/35] drm/connector: Add TV standard property Maxime Ripard
2022-08-08 12:44 ` Noralf Trønnes
2022-08-16 8:26 ` Maxime Ripard
2022-08-16 9:42 ` Noralf Trønnes
2022-08-16 9:49 ` Maxime Ripard
2022-08-16 19:35 ` Noralf Trønnes
2022-08-17 11:46 ` Maxime Ripard
2022-08-17 13:11 ` Noralf Trønnes
2022-08-17 23:23 ` Noralf Trønnes
2022-08-18 15:01 ` Noralf Trønnes
2022-08-18 15:31 ` Maxime Ripard
2022-08-21 11:43 ` Noralf Trønnes
2022-08-26 8:21 ` Maxime Ripard
2022-08-18 15:27 ` Maxime Ripard
2022-08-12 13:25 ` Geert Uytterhoeven
2022-08-16 13:20 ` Maxime Ripard
2022-08-16 13:29 ` Geert Uytterhoeven
2022-08-16 14:11 ` Maxime Ripard
2022-08-16 14:43 ` Geert Uytterhoeven
2022-08-16 15:49 ` Maxime Ripard
2022-08-17 7:31 ` Geert Uytterhoeven
2022-08-17 7:32 ` Geert Uytterhoeven
2022-08-17 7:47 ` Maxime Ripard
2022-08-17 8:35 ` Geert Uytterhoeven
2022-08-17 11:14 ` Maxime Ripard
2022-08-17 13:05 ` Geert Uytterhoeven
2022-08-17 13:18 ` Maxime Ripard
2022-08-17 14:04 ` Geert Uytterhoeven
2022-08-18 14:54 ` Maxime Ripard
2022-08-18 15:20 ` Geert Uytterhoeven
2022-08-18 15:34 ` Maxime Ripard
2022-08-19 9:35 ` Geert Uytterhoeven
2022-08-25 13:39 ` Maxime Ripard
2022-08-20 20:12 ` Noralf Trønnes [this message]
2022-08-25 13:44 ` Maxime Ripard
2022-08-25 15:13 ` Noralf Trønnes
2022-08-29 8:28 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 06/35] drm/connector: Only register TV mode property if present Maxime Ripard
2022-08-08 12:49 ` Noralf Trønnes
2022-08-15 10:40 ` Maxime Ripard
2022-08-15 10:49 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 07/35] drm/modes: Only consider bpp and refresh before options Maxime Ripard
2022-08-12 13:25 ` Geert Uytterhoeven
2022-08-16 12:20 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 08/35] drm/client: Add some tests for drm_connector_pick_cmdline_mode() Maxime Ripard
2022-08-02 10:14 ` Thomas Zimmermann
2022-08-15 8:42 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 09/35] drm/modes: Move named modes parsing to a separate function Maxime Ripard
2022-08-12 13:27 ` Geert Uytterhoeven
2022-08-16 13:46 ` Maxime Ripard
2022-08-16 14:44 ` Geert Uytterhoeven
2022-07-29 16:34 ` [PATCH v1 10/35] drm/modes: Switch to named mode descriptors Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 11/35] drm/modes: Fill drm_cmdline mode from named modes Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 12/35] drmi/modes: Properly generate a drm_display_mode from a named mode Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 13/35] drm/atomic-helper: Add a TV properties reset helper Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 14/35] drm/atomic-helper: Add an analog TV atomic_check implementation Maxime Ripard
2022-07-29 17:16 ` Mateusz Kwiatkowski
2022-08-15 8:30 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 15/35] drm/vc4: vec: Remove empty mode_fixup Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 16/35] drm/vc4: vec: Convert to atomic helpers Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 17/35] drm/vc4: vec: Refactor VEC TV mode setting Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 18/35] drm/vc4: vec: Remove redundant atomic_mode_set Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 19/35] drm/vc4: vec: Fix timings for VEC modes Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 20/35] drm/vc4: vec: Switch for common modes Maxime Ripard
2022-07-29 18:12 ` Mateusz Kwiatkowski
2022-08-16 11:57 ` Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 21/35] drm/vc4: vec: Fix definition of PAL-M mode Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 22/35] drm/vc4: vec: Use TV Reset implementation Maxime Ripard
2022-07-30 3:03 ` kernel test robot
2022-07-29 16:35 ` [PATCH v1 23/35] drm/vc4: vec: Convert to the new TV mode property Maxime Ripard
2022-08-20 17:22 ` Noralf Trønnes
2022-08-24 15:26 ` Maxime Ripard
2022-08-25 13:14 ` Noralf Trønnes
2022-08-29 12:13 ` Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 24/35] drm/vc4: vec: Add support for more analog TV standards Maxime Ripard
2022-07-29 17:55 ` Mateusz Kwiatkowski
2022-08-15 8:37 ` Maxime Ripard
2022-08-24 16:59 ` Mateusz Kwiatkowski
2022-07-29 16:35 ` [PATCH v1 25/35] drm/sun4i: tv: Remove unused mode_valid Maxime Ripard
2022-07-30 9:13 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 26/35] drm/sun4i: tv: Convert to atomic hooks Maxime Ripard
2022-07-30 9:12 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 27/35] drm/sun4i: tv: Merge mode_set into atomic_enable Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 28/35] drm/sun4i: tv: Remove useless function Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 29/35] drm/sun4i: tv: Remove useless destroy function Maxime Ripard
2022-07-30 9:14 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 30/35] drm/sun4i: tv: Rename error label Maxime Ripard
2022-07-30 9:15 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 31/35] drm/sun4i: tv: Add missing reset assertion Maxime Ripard
2022-07-30 9:16 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 32/35] drm/sun4i: tv: Convert to the new TV mode property Maxime Ripard
2022-08-28 17:12 ` Noralf Trønnes
2022-07-29 16:35 ` [PATCH v1 33/35] drm/connector: Remove TV modes property Maxime Ripard
2022-07-29 20:06 ` kernel test robot
2022-07-29 20:16 ` kernel test robot
2022-07-29 16:35 ` [PATCH v1 34/35] drm/modes: Introduce the tv_mode property as a command-line option Maxime Ripard
2022-08-12 13:31 ` Geert Uytterhoeven
2022-08-16 13:51 ` Maxime Ripard
2022-08-20 20:18 ` Noralf Trønnes
2022-08-24 15:45 ` Maxime Ripard
2022-08-24 17:08 ` Mateusz Kwiatkowski
2022-08-25 12:41 ` Noralf Trønnes
2022-08-26 6:46 ` Maxime Ripard
2022-08-28 17:06 ` Noralf Trønnes
2022-07-29 16:35 ` [PATCH v1 35/35] drm/modes: Introduce more named modes Maxime Ripard
2022-08-21 16:16 ` Noralf Trønnes
2022-08-25 14:22 ` Maxime Ripard
2022-08-08 13:03 ` [PATCH v1 00/35] drm: Analog TV Improvements Noralf Trønnes
2022-08-21 16:33 ` Noralf Trønnes
2022-08-22 7:48 ` Maxime Ripard
2022-08-22 8:57 ` Mateusz Kwiatkowski
2022-08-25 15:55 ` Maxime Ripard
2022-08-25 16:17 ` Mateusz Kwiatkowski
2022-08-26 4:07 ` Mateusz Kwiatkowski
2022-08-26 8:39 ` Maxime Ripard
2022-08-26 14:56 ` Dom Cobley
2022-08-27 16:11 ` Noralf Trønnes
2022-08-30 21:31 ` kFYatek
2022-08-22 13:21 ` Noralf Trønnes
2022-08-25 16:21 ` Maxime Ripard
2022-08-25 19:36 ` Noralf Trønnes
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