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Message-ID: <eedb1a86-c1fb-cc76-2a43-4ed349d7d826@tronnes.org>
Date: Sat, 20 Aug 2022 22:18:47 +0200
From: Noralf Trønnes <noralf@...nnes.org>
To: Maxime Ripard <maxime@...no.tech>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Chen-Yu Tsai <wens@...e.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Jerome Brunet <jbrunet@...libre.com>,
Samuel Holland <samuel@...lland.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Daniel Vetter <daniel@...ll.ch>, Emma Anholt <emma@...olt.net>,
David Airlie <airlied@...ux.ie>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Kevin Hilman <khilman@...libre.com>,
Neil Armstrong <narmstrong@...libre.com>,
Maxime Ripard <mripard@...nel.org>
Cc: linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
Phil Elwell <phil@...pberrypi.com>,
Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
linux-arm-kernel@...ts.infradead.org,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
Dom Cobley <dom@...pberrypi.com>,
Noralf Trønnes <noralf@...nnes.org>
Subject: Re: [PATCH v1 34/35] drm/modes: Introduce the tv_mode property as a
command-line option
Den 29.07.2022 18.35, skrev Maxime Ripard:
> Our new tv mode option allows to specify the TV mode from a property.
> However, it can still be useful, for example to avoid any boot time
> artifact, to set that property directly from the kernel command line.
>
> Let's add some code to allow it, and some unit tests to exercise that code.
>
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
>
In the subject it says "tv_mode property", but the property is called
"tv norm", so the option should be tv_norm?
Noralf.
> diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
> index fce5569bd66a..49da8d8236f5 100644
> --- a/drivers/gpu/drm/drm_atomic_state_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_state_helper.c
> @@ -490,6 +490,7 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_tv_margins_reset);
> void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
> {
> struct drm_device *dev = connector->dev;
> + struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
> struct drm_connector_state *state = connector->state;
> struct drm_property *prop;
> uint64_t val;
> @@ -500,6 +501,9 @@ void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
> prop, &val))
> state->tv.norm = val;
>
> + if (cmdline->tv_mode)
> + state->tv.norm = cmdline->tv_mode;
> +
> prop = dev->mode_config.tv_select_subconnector_property;
> if (prop)
> if (!drm_object_property_get_default_value(&connector->base,
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index ecb2e83cf860..3634ac9f787d 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -1677,6 +1677,80 @@ static int drm_mode_parse_panel_orientation(const char *delim,
> return 0;
> }
>
> +#define TV_OPTION_EQUAL(value, len, option) \
> + ((strlen(option) == len) && !strncmp(value, option, len))
> +
> +static int drm_mode_parse_tv_mode(const char *delim,
> + struct drm_cmdline_mode *mode)
> +{
> + const char *value;
> + unsigned int len;
> +
> + if (*delim != '=')
> + return -EINVAL;
> +
> + value = delim + 1;
> + delim = strchr(value, ',');
> + if (!delim)
> + delim = value + strlen(value);
> +
> + len = delim - value;
> + if (TV_OPTION_EQUAL(value, len, "NTSC-443"))
> + mode->tv_mode = DRM_MODE_TV_NORM_NTSC_443;
> + else if (TV_OPTION_EQUAL(value, len, "NTSC-J"))
> + mode->tv_mode = DRM_MODE_TV_NORM_NTSC_J;
> + else if (TV_OPTION_EQUAL(value, len, "NTSC-M"))
> + mode->tv_mode = DRM_MODE_TV_NORM_NTSC_M;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-60"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_60;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-B"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_B;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-D"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_D;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-G"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_G;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-H"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_H;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-I"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_I;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-M"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_M;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-N"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_N;
> + else if (TV_OPTION_EQUAL(value, len, "PAL-NC"))
> + mode->tv_mode = DRM_MODE_TV_NORM_PAL_NC;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-60"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_60;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-B"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_B;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-D"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_D;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-G"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_G;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-K"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_K;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-K1"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_K1;
> + else if (TV_OPTION_EQUAL(value, len, "SECAM-L"))
> + mode->tv_mode = DRM_MODE_TV_NORM_SECAM_L;
> + else if (TV_OPTION_EQUAL(value, len, "HD480I"))
> + mode->tv_mode = DRM_MODE_TV_NORM_HD480I;
> + else if (TV_OPTION_EQUAL(value, len, "HD480P"))
> + mode->tv_mode = DRM_MODE_TV_NORM_HD480P;
> + else if (TV_OPTION_EQUAL(value, len, "HD576I"))
> + mode->tv_mode = DRM_MODE_TV_NORM_HD576I;
> + else if (TV_OPTION_EQUAL(value, len, "HD576P"))
> + mode->tv_mode = DRM_MODE_TV_NORM_HD576P;
> + else if (TV_OPTION_EQUAL(value, len, "HD720P"))
> + mode->tv_mode = DRM_MODE_TV_NORM_HD720P;
> + else if (TV_OPTION_EQUAL(value, len, "HD1080I"))
> + mode->tv_mode = DRM_MODE_TV_NORM_HD1080I;
> + else
> + return -EINVAL;
> +
> + return 0;
> +}
> +
> static int drm_mode_parse_cmdline_options(const char *str,
> bool freestanding,
> const struct drm_connector *connector,
> @@ -1746,6 +1820,9 @@ static int drm_mode_parse_cmdline_options(const char *str,
> } else if (!strncmp(option, "panel_orientation", delim - option)) {
> if (drm_mode_parse_panel_orientation(delim, mode))
> return -EINVAL;
> + } else if (!strncmp(option, "tv_mode", delim - option)) {
> + if (drm_mode_parse_tv_mode(delim, mode))
> + return -EINVAL;
> } else {
> return -EINVAL;
> }
> @@ -1771,11 +1848,12 @@ static int drm_mode_parse_cmdline_options(const char *str,
> struct drm_named_mode {
> const char *name;
> const struct drm_display_mode *mode;
> + unsigned int tv_mode;
> };
>
> static const struct drm_named_mode drm_named_modes[] = {
> - { "NTSC", &drm_mode_480i, },
> - { "PAL", &drm_mode_576i, },
> + { "NTSC", &drm_mode_480i, DRM_MODE_TV_NORM_NTSC_M, },
> + { "PAL", &drm_mode_576i, DRM_MODE_TV_NORM_PAL_B, },
> };
>
> static bool drm_mode_parse_cmdline_named_mode(const char *name,
> @@ -1796,6 +1874,7 @@ static bool drm_mode_parse_cmdline_named_mode(const char *name,
> cmdline_mode->xres = mode->mode->hdisplay;
> cmdline_mode->yres = mode->mode->vdisplay;
> cmdline_mode->interlace = !!(mode->mode->flags & DRM_MODE_FLAG_INTERLACE);
> + cmdline_mode->tv_mode = mode->tv_mode;
> cmdline_mode->specified = true;
>
> return true;
> diff --git a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> index 59b29cdfdd35..d198717c8375 100644
> --- a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> +++ b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> @@ -885,6 +885,274 @@ static void drm_cmdline_test_multiple_options(struct kunit *test)
> KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
> }
>
> +static void drm_cmdline_test_tv_options(struct kunit *test,
> + const char *cmdline,
> + const struct drm_display_mode *expected_mode,
> + unsigned int expected_tv_mode)
> +{
> + struct drm_cmdline_mode mode = { };
> +
> + KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + &no_connector, &mode));
> + KUNIT_EXPECT_TRUE(test, mode.specified);
> + KUNIT_EXPECT_EQ(test, mode.xres, expected_mode->hdisplay);
> + KUNIT_EXPECT_EQ(test, mode.yres, expected_mode->vdisplay);
> + KUNIT_EXPECT_EQ(test, mode.tv_mode, expected_tv_mode);
> +
> + KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> +
> + KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
> +
> + KUNIT_EXPECT_FALSE(test, mode.rb);
> + KUNIT_EXPECT_FALSE(test, mode.cvt);
> + KUNIT_EXPECT_EQ(test, mode.interlace, !!(expected_mode->flags & DRM_MODE_FLAG_INTERLACE));
> + KUNIT_EXPECT_FALSE(test, mode.margins);
> + KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
> +}
> +
> +static void drm_cmdline_test_tv_option_hd480i(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x480i,tv_mode=HD480I",
> + &drm_mode_480i,
> + DRM_MODE_TV_NORM_HD480I);
> +}
> +
> +static const struct drm_display_mode drm_mode_480p = {
> + DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000,
> + 720, 735, 743, 858, 0, 480, 490, 494, 525, 0,
> + DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)
> +};
> +
> +static void drm_cmdline_test_tv_option_hd480p(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x480,tv_mode=HD480P",
> + &drm_mode_480p,
> + DRM_MODE_TV_NORM_HD480P);
> +}
> +
> +static void drm_cmdline_test_tv_option_hd576i(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=HD576I",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_HD576I);
> +}
> +
> +static const struct drm_display_mode drm_mode_576p = {
> + DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000,
> + 720, 730, 738, 864, 0, 576, 581, 585, 625, 0,
> + DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)
> +};
> +
> +static void drm_cmdline_test_tv_option_hd576p(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576,tv_mode=HD576P",
> + &drm_mode_576p,
> + DRM_MODE_TV_NORM_HD576P);
> +}
> +
> +static const struct drm_display_mode drm_mode_720p = {
> + DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250,
> + 1280, 1349, 1357, 1650, 0, 720, 725, 730, 750, 0,
> + DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)
> +};
> +
> +static void drm_cmdline_test_tv_option_hd720p(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "1280x720,tv_mode=HD720P",
> + &drm_mode_720p,
> + DRM_MODE_TV_NORM_HD720P);
> +}
> +
> +static const struct drm_display_mode drm_mode_1080i = {
> + DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250,
> + 1920, 1961, 2049, 2200, 0, 1080, 1084, 1088, 1125, 0,
> + DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC
> + | DRM_MODE_FLAG_INTERLACE)
> +};
> +
> +static void drm_cmdline_test_tv_option_hd1080i(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "1920x1080i,tv_mode=HD1080I",
> + &drm_mode_1080i,
> + DRM_MODE_TV_NORM_HD1080I);
> +}
> +
> +static void drm_cmdline_test_tv_option_ntsc_443(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x480i,tv_mode=NTSC-443",
> + &drm_mode_480i,
> + DRM_MODE_TV_NORM_NTSC_443);
> +}
> +
> +static void drm_cmdline_test_tv_option_ntsc_j(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x480i,tv_mode=NTSC-J",
> + &drm_mode_480i,
> + DRM_MODE_TV_NORM_NTSC_J);
> +}
> +
> +static void drm_cmdline_test_tv_option_ntsc_m(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x480i,tv_mode=NTSC-M",
> + &drm_mode_480i,
> + DRM_MODE_TV_NORM_NTSC_M);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_60(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-60",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_60);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_b(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-B",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_B);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_d(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-D",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_D);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_g(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-G",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_G);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_h(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-H",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_H);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_i(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-I",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_I);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_m(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x480i,tv_mode=PAL-M",
> + &drm_mode_480i,
> + DRM_MODE_TV_NORM_PAL_M);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_n(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-N",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_N);
> +}
> +
> +static void drm_cmdline_test_tv_option_pal_nc(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=PAL-NC",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_PAL_NC);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_60(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-60",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_60);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_b(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-B",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_B);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_d(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-D",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_D);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_g(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-G",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_G);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_k(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-K",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_K);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_k1(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-K1",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_K1);
> +}
> +
> +static void drm_cmdline_test_tv_option_secam_l(struct kunit *test)
> +{
> + drm_cmdline_test_tv_options(test,
> + "720x576i,tv_mode=SECAM-L",
> + &drm_mode_576i,
> + DRM_MODE_TV_NORM_SECAM_L);
> +}
> +
> +static void drm_cmdline_test_tv_option_invalid(struct kunit *test)
> +{
> + struct drm_cmdline_mode mode = { };
> + const char *cmdline = "720x480i,tv_mode=invalid";
> +
> + KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + &no_connector, &mode));
> +}
> +
> +static void drm_cmdline_test_tv_option_truncated(struct kunit *test)
> +{
> + struct drm_cmdline_mode mode = { };
> + const char *cmdline = "720x480i,tv_mode=NTSC";
> +
> + KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + &no_connector, &mode));
> +}
> +
> static void drm_cmdline_test_invalid_option(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> @@ -1047,6 +1315,33 @@ static struct kunit_case drm_cmdline_parser_tests[] = {
> KUNIT_CASE(drm_cmdline_test_name_refresh_invalid_mode),
> KUNIT_CASE(drm_cmdline_test_name_option),
> KUNIT_CASE(drm_cmdline_test_name_bpp_option),
> + KUNIT_CASE(drm_cmdline_test_tv_option_hd480i),
> + KUNIT_CASE(drm_cmdline_test_tv_option_hd480p),
> + KUNIT_CASE(drm_cmdline_test_tv_option_hd576i),
> + KUNIT_CASE(drm_cmdline_test_tv_option_hd576p),
> + KUNIT_CASE(drm_cmdline_test_tv_option_hd720p),
> + KUNIT_CASE(drm_cmdline_test_tv_option_hd1080i),
> + KUNIT_CASE(drm_cmdline_test_tv_option_ntsc_443),
> + KUNIT_CASE(drm_cmdline_test_tv_option_ntsc_j),
> + KUNIT_CASE(drm_cmdline_test_tv_option_ntsc_m),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_60),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_b),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_d),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_g),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_h),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_i),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_m),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_n),
> + KUNIT_CASE(drm_cmdline_test_tv_option_pal_nc),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_60),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_b),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_d),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_g),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_k),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_k1),
> + KUNIT_CASE(drm_cmdline_test_tv_option_secam_l),
> + KUNIT_CASE(drm_cmdline_test_tv_option_invalid),
> + KUNIT_CASE(drm_cmdline_test_tv_option_truncated),
> KUNIT_CASE(drm_cmdline_test_rotate_0),
> KUNIT_CASE(drm_cmdline_test_rotate_90),
> KUNIT_CASE(drm_cmdline_test_rotate_180),
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index e535dca6376e..26a779e85785 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -1305,6 +1305,11 @@ struct drm_cmdline_mode {
> * @tv_margins: TV margins to apply to the mode.
> */
> struct drm_connector_tv_margins tv_margins;
> +
> + /**
> + * @tv_mode: TV mode standard. See DRM_MODE_TV_NORM_*.
> + */
> + unsigned int tv_mode;
> };
>
> /**
>
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