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Date: Wed, 9 Nov 2022 15:09:50 +0100
From: Noralf Trønnes <noralf@...nnes.org>
To: Maxime Ripard <maxime@...no.tech>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
Ben Skeggs <bskeggs@...hat.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
Maxime Ripard <mripard@...nel.org>,
Samuel Holland <samuel@...lland.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Emma Anholt <emma@...olt.net>,
Karol Herbst <kherbst@...hat.com>,
Daniel Vetter <daniel@...ll.ch>, Chen-Yu Tsai <wens@...e.org>,
Lyude Paul <lyude@...hat.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...ux.ie>
Cc: Phil Elwell <phil@...pberrypi.com>,
Hans de Goede <hdegoede@...hat.com>,
linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
linux-arm-kernel@...ts.infradead.org,
Dom Cobley <dom@...pberrypi.com>,
Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
nouveau@...ts.freedesktop.org,
Noralf Trønnes <noralf@...nnes.org>
Subject: Re: [PATCH v7 15/23] drm/modes: Introduce more named modes
Den 07.11.2022 15.16, skrev Maxime Ripard:
> Now that we can easily extend the named modes list, let's add a few more
> analog TV modes that were used in the wild, and some unit tests to make
> sure it works as intended.
>
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
>
> ---
> Changes in v6:
> - Renamed the tests to follow DRM test naming convention
>
> Changes in v5:
> - Switched to KUNIT_ASSERT_NOT_NULL
> ---
> drivers/gpu/drm/drm_modes.c | 2 +
> drivers/gpu/drm/tests/drm_client_modeset_test.c | 54 +++++++++++++++++++++++++
> 2 files changed, 56 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 49441cabdd9d..17c5b6108103 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -2272,7 +2272,9 @@ struct drm_named_mode {
>
> static const struct drm_named_mode drm_named_modes[] = {
> NAMED_MODE("NTSC", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE, DRM_MODE_TV_MODE_NTSC),
> + NAMED_MODE("NTSC-J", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE, DRM_MODE_TV_MODE_NTSC_J),
> NAMED_MODE("PAL", 13500, 720, 576, DRM_MODE_FLAG_INTERLACE, DRM_MODE_TV_MODE_PAL),
> + NAMED_MODE("PAL-M", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE, DRM_MODE_TV_MODE_PAL_M),
> };
>
> static int drm_mode_parse_cmdline_named_mode(const char *name,
> diff --git a/drivers/gpu/drm/tests/drm_client_modeset_test.c b/drivers/gpu/drm/tests/drm_client_modeset_test.c
> index fdfe9e20702e..b3820d25beca 100644
> --- a/drivers/gpu/drm/tests/drm_client_modeset_test.c
> +++ b/drivers/gpu/drm/tests/drm_client_modeset_test.c
> @@ -133,6 +133,32 @@ static void drm_test_pick_cmdline_named_ntsc(struct kunit *test)
> KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_ntsc_480i(drm), mode));
> }
>
> +static void drm_test_pick_cmdline_named_ntsc_j(struct kunit *test)
> +{
> + struct drm_client_modeset_test_priv *priv = test->priv;
> + struct drm_device *drm = priv->drm;
> + struct drm_connector *connector = &priv->connector;
> + struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode;
> + struct drm_display_mode *mode;
> + const char *cmdline = "NTSC-J";
> + int ret;
> +
> + KUNIT_ASSERT_TRUE(test,
> + drm_mode_parse_command_line_for_connector(cmdline,
> + connector,
> + cmdline_mode));
> +
> + mutex_lock(&drm->mode_config.mutex);
> + ret = drm_helper_probe_single_connector_modes(connector, 1920, 1080);
> + mutex_unlock(&drm->mode_config.mutex);
> + KUNIT_ASSERT_GT(test, ret, 0);
> +
> + mode = drm_connector_pick_cmdline_mode(connector);
> + KUNIT_ASSERT_NOT_NULL(test, mode);
> +
> + KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_ntsc_480i(drm), mode));
> +}
> +
> static void drm_test_pick_cmdline_named_pal(struct kunit *test)
> {
> struct drm_client_modeset_test_priv *priv = test->priv;
> @@ -159,10 +185,38 @@ static void drm_test_pick_cmdline_named_pal(struct kunit *test)
> KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_pal_576i(drm), mode));
> }
>
> +static void drm_test_pick_cmdline_named_pal_m(struct kunit *test)
> +{
> + struct drm_client_modeset_test_priv *priv = test->priv;
> + struct drm_device *drm = priv->drm;
> + struct drm_connector *connector = &priv->connector;
> + struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode;
> + struct drm_display_mode *mode;
> + const char *cmdline = "PAL-M";
> + int ret;
> +
> + KUNIT_ASSERT_TRUE(test,
> + drm_mode_parse_command_line_for_connector(cmdline,
> + connector,
> + cmdline_mode));
> +
> + mutex_lock(&drm->mode_config.mutex);
> + ret = drm_helper_probe_single_connector_modes(connector, 1920, 1080);
> + mutex_unlock(&drm->mode_config.mutex);
> + KUNIT_ASSERT_GT(test, ret, 0);
> +
> + mode = drm_connector_pick_cmdline_mode(connector);
> + KUNIT_ASSERT_NOT_NULL(test, mode);
> +
> + KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_ntsc_480i(drm), mode));
> +}
> +
There are 4 named mode tests that are almost identical, should probably
use KUNIT_ARRAY_PARAM like in the parser tests.
This patchset has been going on for a long time now so it can be fixed
later if you don't want to do it now:
Reviewed-by: Noralf Trønnes <noralf@...nnes.org>
> static struct kunit_case drm_test_pick_cmdline_tests[] = {
> KUNIT_CASE(drm_test_pick_cmdline_res_1920_1080_60),
> KUNIT_CASE(drm_test_pick_cmdline_named_ntsc),
> + KUNIT_CASE(drm_test_pick_cmdline_named_ntsc_j),
> KUNIT_CASE(drm_test_pick_cmdline_named_pal),
> + KUNIT_CASE(drm_test_pick_cmdline_named_pal_m),
> {}
> };
>
>
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