2022-08-29 13:20:40

by Maxime Ripard

[permalink] [raw]
Subject: [PATCH v2 21/41] drm/modes: Introduce more named modes

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 <[email protected]>



diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c

index 065dbfbd815e..7d769de4d31b 100644

--- a/drivers/gpu/drm/drm_modes.c

+++ b/drivers/gpu/drm/drm_modes.c

@@ -2254,7 +2254,9 @@ 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_M),

+ 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_B),

+ 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 4380cf670fb4..d6ecb5fbe159 100644

--- a/drivers/gpu/drm/tests/drm_client_modeset_test.c

+++ b/drivers/gpu/drm/tests/drm_client_modeset_test.c

@@ -140,6 +140,32 @@ static void drm_pick_cmdline_named_ntsc(struct kunit *test)

KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_ntsc_480i(drm), mode));

}



+static void drm_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_PTR_NE(test, mode, NULL);

+

+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_ntsc_480i(drm), mode));

+}

+

static void drm_pick_cmdline_named_pal(struct kunit *test)

{

struct drm_client_modeset_test_priv *priv = test->priv;

@@ -166,10 +192,38 @@ static void drm_pick_cmdline_named_pal(struct kunit *test)

KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_pal_576i(drm), mode));

}



+static void drm_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_PTR_NE(test, mode, NULL);

+

+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(drm_mode_analog_ntsc_480i(drm), mode));

+}

+

static struct kunit_case drm_pick_cmdline_tests[] = {

KUNIT_CASE(drm_pick_cmdline_res_1920_1080_60),

KUNIT_CASE(drm_pick_cmdline_named_ntsc),

+ KUNIT_CASE(drm_pick_cmdline_named_ntsc_j),

KUNIT_CASE(drm_pick_cmdline_named_pal),

+ KUNIT_CASE(drm_pick_cmdline_named_pal_m),

{}

};





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b4 0.10.0-dev-65ba7