From patchwork Thu Dec 7 15:49:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13483673 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 BE3C7C10F09 for ; Thu, 7 Dec 2023 17:01:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xuPg5IR9wXs8SJ5J4TurAIMi5vRfAy/tuSDs5mYScxc=; b=XGrjEJwLveBHU1 yr+oquK3YO32JDa8i/XPjQwxTcnpGborYH0pjEaUyE6R1XHDefkBZoEHcXCtckphQdI/BopdGiqtO 7o9exbaXhh/LPwKyadkFKDY8eDcLjrOYi0ctAJukp0PcWiIFueS8A+PVCW5UL2gmLDW0FIOnx0mZc zvOEOHVcUIfJ3nJHAiRFegAHW9m5jmuNUt4RGU7Ejuj95Kd6/SxtSjY+JwJLFF95SyTLod4QqywYx oQVuuIaLPMeKEGoRNG50BJHibnrE40ivAquxWH9gStoQoDJjdsOahMiYPotMJU2O/I6eSaYL97eod Lgghemf31mavaOZcs7LQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rBHk0-00DT2d-13; Thu, 07 Dec 2023 17:00:48 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rBGdZ-00DGUo-2J; Thu, 07 Dec 2023 15:50:20 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id D2464CE1D04; Thu, 7 Dec 2023 15:50:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BB964C433C9; Thu, 7 Dec 2023 15:50:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701964203; bh=eM6MiC7KJtBQC3Pv2LlWKIscUpIkiyaWvuaCef0KyRg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=f0VTXfMbUN2nAiIZhl3b3DwZuW61N5Wew9DSGiPhVe3smSJIDIfljqnbYxvnb7yZV hP0DJ9mIllHxgmVboSgdYWnaQxxuo0CBpQtPPw1h1elusl6oak+DB2HTYXOZBI4frS qQD364DhZbixY6hZXMP18FB/x1orywiCq/g+EpzEEF7i31rF4Xkc1WR3alFOpQxwfY w0O23jNCbwuJg7v//NeUv7UifjBbh67XSfdDFdujtWnzRuepx8bFYtzE27rICz/z5s jqswdaJM32yK6xau6EfUdG1rgvUr1dzNBwyrqxKAHza4ZnY1X03jpYufNRQAQ0Mm/9 fddRgBkIPmAKQ== From: Maxime Ripard Date: Thu, 07 Dec 2023 16:49:34 +0100 Subject: [PATCH v5 11/44] drm/connector: hdmi: Add support for output format MIME-Version: 1.0 Message-Id: <20231207-kms-hdmi-connector-state-v5-11-6538e19d634d@kernel.org> References: <20231207-kms-hdmi-connector-state-v5-0-6538e19d634d@kernel.org> In-Reply-To: <20231207-kms-hdmi-connector-state-v5-0-6538e19d634d@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Emma Anholt , Jonathan Corbet , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Hans Verkuil , 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 X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=22055; i=mripard@kernel.org; h=from:subject:message-id; bh=eM6MiC7KJtBQC3Pv2LlWKIscUpIkiyaWvuaCef0KyRg=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKmFL1tDvmxfJLwlxJH1nuLcZ0+PKjHHHTwqGO/18oKf3 F8e8aLkjlIWBjEuBlkxRZYYYfMlcadmve5k45sHM4eVCWQIAxenAEzkky8jQ+NS1h0fXi+4Xqi1 +FcJq/OGjHDO/YHTJp4653CVQWtTgATD//KE07z2+5fYLr3qeir7XfC1y9J8L0ITP8/ZufS6yRH mx+wA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231207_075006_123861_BAC8F31C X-CRM114-Status: GOOD ( 20.95 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Just like BPC, we'll add support for automatic selection of the output format for HDMI connectors. Let's add the needed defaults and fields for now. Signed-off-by: Maxime Ripard Reviewed-by: Dave Stevenson --- drivers/gpu/drm/drm_atomic.c | 2 + drivers/gpu/drm/drm_atomic_state_helper.c | 3 +- drivers/gpu/drm/drm_connector.c | 31 ++++++ .../gpu/drm/tests/drm_atomic_state_helper_test.c | 90 ++++++++++++++--- drivers/gpu/drm/tests/drm_connector_test.c | 109 ++++++++++++++++++++- include/drm/drm_connector.h | 19 ++++ 6 files changed, 238 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 76c63ed04af4..7aaa2a4d70d9 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1148,6 +1148,8 @@ static void drm_atomic_connector_print_state(struct drm_printer *p, drm_hdmi_connector_get_broadcast_rgb_name(state->hdmi.broadcast_rgb)); drm_printf(p, "\tis_full_range=%c\n", state->hdmi.is_full_range ? 'y' : 'n'); drm_printf(p, "\toutput_bpc=%u\n", state->hdmi.output_bpc); + drm_printf(p, "\toutput_format=%s\n", + drm_hdmi_connector_get_output_format_name(state->hdmi.output_format)); } if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index 883bdc0349c0..92e1b087c3d0 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -705,7 +705,8 @@ int drm_atomic_helper_connector_hdmi_check(struct drm_connector *connector, new_state->hdmi.is_full_range = hdmi_is_full_range(connector, new_state); if (old_state->hdmi.broadcast_rgb != new_state->hdmi.broadcast_rgb || - old_state->hdmi.output_bpc != new_state->hdmi.output_bpc) { + old_state->hdmi.output_bpc != new_state->hdmi.output_bpc || + old_state->hdmi.output_format != new_state->hdmi.output_format) { struct drm_crtc *crtc = new_state->crtc; struct drm_crtc_state *crtc_state; diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 139ac3d8160c..a72f38b6dbc8 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -459,6 +459,7 @@ EXPORT_SYMBOL(drmm_connector_init); * @funcs: callbacks for this connector * @connector_type: user visible type of the connector * @ddc: optional pointer to the associated ddc adapter + * @supported_formats: Bitmask of @hdmi_colorspace listing supported output formats * @max_bpc: Maximum bits per char the HDMI connector supports * * Initialises a preallocated HDMI connector. Connectors can be @@ -477,6 +478,7 @@ int drmm_connector_hdmi_init(struct drm_device *dev, const struct drm_connector_funcs *funcs, int connector_type, struct i2c_adapter *ddc, + unsigned long supported_formats, unsigned int max_bpc) { int ret; @@ -485,6 +487,9 @@ int drmm_connector_hdmi_init(struct drm_device *dev, connector_type == DRM_MODE_CONNECTOR_HDMIB)) return -EINVAL; + if (!supported_formats || !(supported_formats & BIT(HDMI_COLORSPACE_RGB))) + return -EINVAL; + if (!(max_bpc == 8 || max_bpc == 10 || max_bpc == 12)) return -EINVAL; @@ -492,6 +497,8 @@ int drmm_connector_hdmi_init(struct drm_device *dev, if (ret) return ret; + connector->hdmi.supported_formats = supported_formats; + /* * drm_connector_attach_max_bpc_property() requires the * connector to have a state. @@ -1224,6 +1231,30 @@ drm_hdmi_connector_get_broadcast_rgb_name(enum drm_hdmi_broadcast_rgb broadcast_ } EXPORT_SYMBOL(drm_hdmi_connector_get_broadcast_rgb_name); +static const char * const output_format_str[] = { + [HDMI_COLORSPACE_RGB] = "RGB", + [HDMI_COLORSPACE_YUV420] = "YUV 4:2:0", + [HDMI_COLORSPACE_YUV422] = "YUV 4:2:2", + [HDMI_COLORSPACE_YUV444] = "YUV 4:4:4", +}; + +/* + * drm_hdmi_connector_get_output_format_name() - Return a string for HDMI connector output format + * @fmt: Output format to compute name of + * + * Returns: the name of the output format, or NULL if the type is not + * valid. + */ +const char * +drm_hdmi_connector_get_output_format_name(enum hdmi_colorspace fmt) +{ + if (fmt >= ARRAY_SIZE(output_format_str)) + return NULL; + + return output_format_str[fmt]; +} +EXPORT_SYMBOL(drm_hdmi_connector_get_output_format_name); + /** * DOC: standard connector properties * diff --git a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c index a1b0e6914cf8..4e2ec436987b 100644 --- a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c +++ b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c @@ -147,6 +147,7 @@ static const struct drm_connector_funcs dummy_connector_funcs = { static struct drm_atomic_helper_connector_hdmi_priv * drm_atomic_helper_connector_hdmi_init(struct kunit *test, + unsigned int formats, unsigned int max_bpc) { struct drm_atomic_helper_connector_hdmi_priv *priv; @@ -190,6 +191,7 @@ drm_atomic_helper_connector_hdmi_init(struct kunit *test, &dummy_connector_funcs, DRM_MODE_CONNECTOR_HDMIA, NULL, + formats, max_bpc); KUNIT_ASSERT_EQ(test, ret, 0); @@ -225,7 +227,9 @@ static void drm_test_check_broadcast_rgb_crtc_mode_changed(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); ctx = drm_kunit_helper_acquire_ctx_alloc(test); @@ -286,7 +290,9 @@ static void drm_test_check_broadcast_rgb_crtc_mode_not_changed(struct kunit *tes struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); ctx = drm_kunit_helper_acquire_ctx_alloc(test); @@ -347,7 +353,9 @@ static void drm_test_check_broadcast_rgb_auto_cea_mode(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -401,7 +409,9 @@ static void drm_test_check_broadcast_rgb_auto_cea_mode_vic_1(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -454,7 +464,9 @@ static void drm_test_check_broadcast_rgb_full_cea_mode(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -510,7 +522,9 @@ static void drm_test_check_broadcast_rgb_full_cea_mode_vic_1(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -565,7 +579,9 @@ static void drm_test_check_broadcast_rgb_limited_cea_mode(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -621,7 +637,9 @@ static void drm_test_check_broadcast_rgb_limited_cea_mode_vic_1(struct kunit *te struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -678,7 +696,9 @@ static void drm_test_check_output_bpc_crtc_mode_changed(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 10); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 10); KUNIT_ASSERT_NOT_NULL(test, priv); ctx = drm_kunit_helper_acquire_ctx_alloc(test); @@ -745,7 +765,9 @@ static void drm_test_check_output_bpc_crtc_mode_not_changed(struct kunit *test) struct drm_crtc *crtc; int ret; - priv = drm_atomic_helper_connector_hdmi_init(test, 10); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 10); KUNIT_ASSERT_NOT_NULL(test, priv); ctx = drm_kunit_helper_acquire_ctx_alloc(test); @@ -802,6 +824,15 @@ static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = { KUNIT_CASE(drm_test_check_broadcast_rgb_crtc_mode_not_changed), 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. + */ { } }; @@ -820,7 +851,9 @@ static void drm_test_check_broadcast_rgb_value(struct kunit *test) struct drm_connector_state *conn_state; struct drm_connector *conn; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -840,7 +873,9 @@ static void drm_test_check_bpc_8_value(struct kunit *test) struct drm_connector_state *conn_state; struct drm_connector *conn; - priv = drm_atomic_helper_connector_hdmi_init(test, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -862,7 +897,9 @@ static void drm_test_check_bpc_10_value(struct kunit *test) struct drm_connector_state *conn_state; struct drm_connector *conn; - priv = drm_atomic_helper_connector_hdmi_init(test, 10); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 10); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -884,7 +921,9 @@ static void drm_test_check_bpc_12_value(struct kunit *test) struct drm_connector_state *conn_state; struct drm_connector *conn; - priv = drm_atomic_helper_connector_hdmi_init(test, 12); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 12); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; @@ -894,11 +933,34 @@ static void drm_test_check_bpc_12_value(struct kunit *test) 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_broadcast_rgb_value), 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), { } }; diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c index fef7d53d34d4..fa6fe8084107 100644 --- a/drivers/gpu/drm/tests/drm_connector_test.c +++ b/drivers/gpu/drm/tests/drm_connector_test.c @@ -187,6 +187,7 @@ static void drm_test_connector_hdmi_init_valid(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } @@ -204,6 +205,7 @@ static void drm_test_connector_hdmi_init_null_ddc(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, NULL, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } @@ -221,6 +223,7 @@ static void drm_test_connector_hdmi_init_bpc_invalid(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 9); KUNIT_EXPECT_LT(test, ret, 0); } @@ -238,6 +241,7 @@ static void drm_test_connector_hdmi_init_bpc_null(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 0); KUNIT_EXPECT_LT(test, ret, 0); } @@ -259,6 +263,7 @@ static void drm_test_connector_hdmi_init_bpc_8(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); @@ -292,6 +297,7 @@ static void drm_test_connector_hdmi_init_bpc_10(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 10); KUNIT_EXPECT_EQ(test, ret, 0); @@ -325,6 +331,7 @@ static void drm_test_connector_hdmi_init_bpc_12(struct kunit *test) &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 12); KUNIT_EXPECT_EQ(test, ret, 0); @@ -341,6 +348,42 @@ static void drm_test_connector_hdmi_init_bpc_12(struct kunit *test) 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. @@ -355,6 +398,7 @@ static void drm_test_connector_hdmi_init_type_valid(struct kunit *test) &dummy_funcs, connector_type, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } @@ -387,6 +431,7 @@ static void drm_test_connector_hdmi_init_type_invalid(struct kunit *test) &dummy_funcs, connector_type, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } @@ -424,6 +469,8 @@ static struct kunit_case drmm_connector_hdmi_init_tests[] = { 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), @@ -558,6 +605,64 @@ static struct kunit_suite drm_hdmi_connector_get_broadcast_rgb_name_test_suite = .test_cases = drm_hdmi_connector_get_broadcast_rgb_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, +}; + static void drm_test_drm_connector_attach_broadcast_rgb_property(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; @@ -590,6 +695,7 @@ static void drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector( &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); @@ -618,7 +724,8 @@ kunit_test_suites( &drmm_connector_init_test_suite, &drm_connector_attach_broadcast_rgb_property_test_suite, &drm_get_tv_mode_from_name_test_suite, - &drm_hdmi_connector_get_broadcast_rgb_name_test_suite + &drm_hdmi_connector_get_broadcast_rgb_name_test_suite, + &drm_hdmi_connector_get_output_format_name_test_suite ); MODULE_AUTHOR("Maxime Ripard "); diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 1b1b6aed04ee..74db5ce47e01 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -391,6 +391,8 @@ enum drm_hdmi_broadcast_rgb { const char * drm_hdmi_connector_get_broadcast_rgb_name(enum drm_hdmi_broadcast_rgb broadcast_rgb); +const char * +drm_hdmi_connector_get_output_format_name(enum hdmi_colorspace fmt); /** * struct drm_monitor_range_info - Panel's Monitor range in EDID for @@ -1077,6 +1079,11 @@ struct drm_connector_state { * @output_bpc: Bits per color channel to output. */ unsigned int output_bpc; + + /** + * @output_format: Pixel format to output in. + */ + enum hdmi_colorspace output_format; } hdmi; }; @@ -1944,6 +1951,17 @@ struct drm_connector { /** @hdr_sink_metadata: HDR Metadata Information read from sink */ struct hdr_sink_metadata hdr_sink_metadata; + + /** + * @hdmi: HDMI-related variable and properties. + */ + struct { + /** + * @supported_formats: Bitmask of @hdmi_colorspace + * supported by the controller. + */ + unsigned long supported_formats; + } hdmi; }; #define obj_to_connector(x) container_of(x, struct drm_connector, base) @@ -1967,6 +1985,7 @@ int drmm_connector_hdmi_init(struct drm_device *dev, const struct drm_connector_funcs *funcs, int connector_type, struct i2c_adapter *ddc, + unsigned long supported_formats, unsigned int max_bpc); void drm_connector_attach_edid_property(struct drm_connector *connector); int drm_connector_register(struct drm_connector *connector);