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drm/tests: hdmi: Add connector disablement test

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Atomic check should succeed when disabling a connector. Add a test
case drm_test_check_disabling_connector() to make sure of this.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250110084821.3239518-3-victor.liu@nxp.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
This commit is contained in:
Liu Ying
2025-01-10 16:48:21 +08:00
committed by Maxime Ripard
parent 0d337b40ca
commit e12b9dc6f9
1 changed files with 52 additions and 0 deletions
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52
drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
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@@ -1568,6 +1568,57 @@ static void drm_test_check_output_bpc_format_display_8bpc_only(struct kunit *tes
KUNIT_EXPECT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_RGB);
}
/* Test that atomic check succeeds when disabling a connector. */
static void drm_test_check_disable_connector(struct kunit *test)
{
struct drm_atomic_helper_connector_hdmi_priv *priv;
struct drm_modeset_acquire_ctx *ctx;
struct drm_connector_state *conn_state;
struct drm_crtc_state *crtc_state;
struct drm_atomic_state *state;
struct drm_display_mode *preferred;
struct drm_connector *conn;
struct drm_device *drm;
struct drm_crtc *crtc;
int ret;
priv = drm_kunit_helper_connector_hdmi_init(test,
BIT(HDMI_COLORSPACE_RGB),
8);
KUNIT_ASSERT_NOT_NULL(test, priv);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
conn = &priv->connector;
preferred = find_preferred_mode(conn);
KUNIT_ASSERT_NOT_NULL(test, preferred);
drm = &priv->drm;
crtc = priv->crtc;
ret = light_up_connector(test, drm, crtc, conn, preferred, ctx);
KUNIT_ASSERT_EQ(test, ret, 0);
state = drm_kunit_helper_atomic_state_alloc(test, drm, ctx);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, state);
crtc_state = drm_atomic_get_crtc_state(state, crtc);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);
crtc_state->active = false;
ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
KUNIT_EXPECT_EQ(test, ret, 0);
conn_state = drm_atomic_get_connector_state(state, conn);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
ret = drm_atomic_set_crtc_for_connector(conn_state, NULL);
KUNIT_EXPECT_EQ(test, ret, 0);
ret = drm_atomic_check_only(state);
KUNIT_ASSERT_EQ(test, ret, 0);
}
static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = {
KUNIT_CASE(drm_test_check_broadcast_rgb_auto_cea_mode),
KUNIT_CASE(drm_test_check_broadcast_rgb_auto_cea_mode_vic_1),
@@ -1582,6 +1633,7 @@ static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = {
*/
KUNIT_CASE(drm_test_check_broadcast_rgb_crtc_mode_changed),
KUNIT_CASE(drm_test_check_broadcast_rgb_crtc_mode_not_changed),
KUNIT_CASE(drm_test_check_disable_connector),
KUNIT_CASE(drm_test_check_hdmi_funcs_reject_rate),
KUNIT_CASE(drm_test_check_max_tmds_rate_bpc_fallback),
KUNIT_CASE(drm_test_check_max_tmds_rate_format_fallback),