From patchwork Mon May 27 13:57:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13675317 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F0E56C25B79 for ; Mon, 27 May 2024 13:58:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6D45010EBE5; Mon, 27 May 2024 13:58:58 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="A5t1oU+F"; dkim-atps=neutral Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by gabe.freedesktop.org (Postfix) with ESMTPS id 588E010EE58 for ; Mon, 27 May 2024 13:58:36 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id B6CFDCE0F8B; Mon, 27 May 2024 13:58:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91C48C4AF08; Mon, 27 May 2024 13:58:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716818311; bh=SOQPfNrUwyqfTmtStDudqnm+AIbryO28dU1DQhlSVNA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=A5t1oU+Fa3Jeawwrep/wT9yuKMMZ2wZoE965Z9B4b2FiXwC3x3QQxH2KQs9jXizyZ gnfpnzuN81RwA4EmaEZ3R/PGpHizbAwh+yv12DrWlmfC0EOBsWD56qsM4SReyzgpfZ ARxmx88hFYkrCP6YfmmTHh+aGeZtilz6Nt0ASGbyFdY02fmGrfo9QAoTJH0AVVTQVL imY7fZSpcshW3gbZdhrYx5C+B4+HmutroOgftsjRsH6bUGCT3HfQOd9fdsJPSSxreN hIwZBYfsmzVjKe+T5pmClCemDwccLYwKU2CLOS0iy6GUueD7Yia2dAevq1ywVv891R +58pnbUYiHRGg== From: Maxime Ripard Date: Mon, 27 May 2024 15:57:57 +0200 Subject: [PATCH v15 08/29] drm/tests: Add output formats tests MIME-Version: 1.0 Message-Id: <20240527-kms-hdmi-connector-state-v15-8-c5af16c3aae2@kernel.org> References: <20240527-kms-hdmi-connector-state-v15-0-c5af16c3aae2@kernel.org> In-Reply-To: <20240527-kms-hdmi-connector-state-v15-0-c5af16c3aae2@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Jonathan Corbet , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andy Yan Cc: Hans Verkuil , Sebastian Wick , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, Maxime Ripard , Dave Stevenson , Dmitry Baryshkov X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=8085; i=mripard@kernel.org; h=from:subject:message-id; bh=SOQPfNrUwyqfTmtStDudqnm+AIbryO28dU1DQhlSVNA=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDGkhE5Mn371k9kp7FdMnvqUOf9Y4p+7J6Ty+pz/y+NRty 6viDx3e0zGVhUGYk0FWTJHliUzY6eXti6sc7Ff+gJnDygQyhIGLUwAmMmkqY30OW7+EXrrz9p7t m5OVVOInP94uo7U0btrKk8mH5gWwJ5Xzr530IYBr+fSH8ZwVJ5qf/mJs2LS/7LvNrZrP23tWMwh +tl7jqeh9vaJx6rukgI6Zpq+OXDpq90r+v+O27ueNR7rPF6beAAA= X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Now that we track the HDMI output format as part of the connector state, let's add a few tests to make sure it works as expected. Reviewed-by: Dave Stevenson Reviewed-by: Dmitry Baryshkov Signed-off-by: Maxime Ripard --- drivers/gpu/drm/tests/drm_connector_test.c | 99 +++++++++++++++++++++- drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c | 32 +++++++ 2 files changed, 130 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c index 37e6efd46d7e..250348ddfa70 100644 --- a/drivers/gpu/drm/tests/drm_connector_test.c +++ b/drivers/gpu/drm/tests/drm_connector_test.c @@ -361,10 +361,46 @@ static void drm_test_connector_hdmi_init_bpc_12(struct kunit *test) prop = priv->drm.mode_config.hdr_output_metadata_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); } +/* + * Test that the registration of an HDMI connector with no supported + * format fails. + */ +static void drm_test_connector_hdmi_init_formats_empty(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + &dummy_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + 0, + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of an HDMI connector not listing RGB as a + * supported format fails. + */ +static void drm_test_connector_hdmi_init_formats_no_rgb(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + &dummy_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_YUV422), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + /* * Test that the registration of an HDMI connector with an HDMI * connector type succeeds. */ static void drm_test_connector_hdmi_init_type_valid(struct kunit *test) @@ -446,10 +482,12 @@ static struct kunit_case drmm_connector_hdmi_init_tests[] = { KUNIT_CASE(drm_test_connector_hdmi_init_bpc_8), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_10), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_12), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_invalid), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_null), + KUNIT_CASE(drm_test_connector_hdmi_init_formats_empty), + KUNIT_CASE(drm_test_connector_hdmi_init_formats_no_rgb), KUNIT_CASE(drm_test_connector_hdmi_init_null_ddc), KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_valid, drm_connector_hdmi_init_type_valid_gen_params), KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_invalid, drm_connector_hdmi_init_type_invalid_gen_params), @@ -523,13 +561,72 @@ static struct kunit_case drm_get_tv_mode_from_name_tests[] = { static struct kunit_suite drm_get_tv_mode_from_name_test_suite = { .name = "drm_get_tv_mode_from_name", .test_cases = drm_get_tv_mode_from_name_tests, }; +struct drm_hdmi_connector_get_output_format_name_test { + unsigned int kind; + const char *expected_name; +}; + +#define OUTPUT_FORMAT_TEST(_kind, _name) \ + { \ + .kind = _kind, \ + .expected_name = _name, \ + } + +static void drm_test_drm_hdmi_connector_get_output_format_name(struct kunit *test) +{ + const struct drm_hdmi_connector_get_output_format_name_test *params = + test->param_value; + + KUNIT_EXPECT_STREQ(test, + drm_hdmi_connector_get_output_format_name(params->kind), + params->expected_name); +} + +static const +struct drm_hdmi_connector_get_output_format_name_test +drm_hdmi_connector_get_output_format_name_valid_tests[] = { + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_RGB, "RGB"), + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV420, "YUV 4:2:0"), + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV422, "YUV 4:2:2"), + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV444, "YUV 4:4:4"), +}; + +static void +drm_hdmi_connector_get_output_format_name_valid_desc(const struct drm_hdmi_connector_get_output_format_name_test *t, + char *desc) +{ + sprintf(desc, "%s", t->expected_name); +} + +KUNIT_ARRAY_PARAM(drm_hdmi_connector_get_output_format_name_valid, + drm_hdmi_connector_get_output_format_name_valid_tests, + drm_hdmi_connector_get_output_format_name_valid_desc); + +static void drm_test_drm_hdmi_connector_get_output_format_name_invalid(struct kunit *test) +{ + KUNIT_EXPECT_NULL(test, drm_hdmi_connector_get_output_format_name(4)); +}; + +static struct kunit_case drm_hdmi_connector_get_output_format_name_tests[] = { + KUNIT_CASE_PARAM(drm_test_drm_hdmi_connector_get_output_format_name, + drm_hdmi_connector_get_output_format_name_valid_gen_params), + KUNIT_CASE(drm_test_drm_hdmi_connector_get_output_format_name_invalid), + { } +}; + +static struct kunit_suite drm_hdmi_connector_get_output_format_name_test_suite = { + .name = "drm_hdmi_connector_get_output_format_name", + .test_cases = drm_hdmi_connector_get_output_format_name_tests, +}; + kunit_test_suites( &drmm_connector_hdmi_init_test_suite, &drmm_connector_init_test_suite, - &drm_get_tv_mode_from_name_test_suite + &drm_get_tv_mode_from_name_test_suite, + &drm_hdmi_connector_get_output_format_name_test_suite ); MODULE_AUTHOR("Maxime Ripard "); MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c index 333c81b8cf4f..8bc1f9b0b12b 100644 --- a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c +++ b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c @@ -347,10 +347,19 @@ static void drm_test_check_output_bpc_crtc_mode_not_changed(struct kunit *test) } static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = { KUNIT_CASE(drm_test_check_output_bpc_crtc_mode_changed), KUNIT_CASE(drm_test_check_output_bpc_crtc_mode_not_changed), + /* + * TODO: We should have tests to check that a change in the + * format triggers a CRTC mode change just like we do for the + * RGB Quantization and BPC. + * + * However, we don't have any way to control which format gets + * picked up aside from changing the BPC or mode which would + * already trigger a mode change. + */ { } }; static struct kunit_suite drm_atomic_helper_connector_hdmi_check_test_suite = { .name = "drm_atomic_helper_connector_hdmi_check", @@ -427,14 +436,37 @@ static void drm_test_check_bpc_12_value(struct kunit *test) KUNIT_EXPECT_EQ(test, conn_state->max_bpc, 12); KUNIT_EXPECT_EQ(test, conn_state->max_requested_bpc, 12); KUNIT_EXPECT_EQ(test, conn_state->hdmi.output_bpc, 0); } +/* + * Test that the value of the output format property out of reset is set + * to RGB, even if the driver supports more than that. + */ +static void drm_test_check_format_value(struct kunit *test) +{ + struct drm_atomic_helper_connector_hdmi_priv *priv; + struct drm_connector_state *conn_state; + struct drm_connector *conn; + + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB) | + BIT(HDMI_COLORSPACE_YUV422) | + BIT(HDMI_COLORSPACE_YUV444), + 8); + KUNIT_ASSERT_NOT_NULL(test, priv); + + conn = &priv->connector; + conn_state = conn->state; + KUNIT_EXPECT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_RGB); +} + static struct kunit_case drm_atomic_helper_connector_hdmi_reset_tests[] = { KUNIT_CASE(drm_test_check_bpc_8_value), KUNIT_CASE(drm_test_check_bpc_10_value), KUNIT_CASE(drm_test_check_bpc_12_value), + KUNIT_CASE(drm_test_check_format_value), { } }; static struct kunit_suite drm_atomic_helper_connector_hdmi_reset_test_suite = { .name = "drm_atomic_helper_connector_hdmi_reset",