From patchwork Mon Mar 11 14:49:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 779918 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D1554122D; Mon, 11 Mar 2024 14:50:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710168619; cv=none; b=YrkfO4V1XpNBI24idv1vTLJz+NmHANWhjilNth7ynzJNO052Yjl+rwPAAxboBhCWxAMUTzS1QgB2NWm1uA3zNoVPa6f03n2nySUkrvyE9CZ9SyC4Jw4Nw0e6WpIikHREt4muGhcNABR4jofHPbiPI+Co8+1sI5Q4sZMIXPAojC4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710168619; c=relaxed/simple; bh=0CzX1jg40qqIJLC46w8/k2Ft/Q55zd3GeVatG2t1zbM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OgPOxYxhhoWP1N09cNsRWYIkRyRMsPnsO5JL56uCGspOeStTgkla0ypPBvMVA040MlM664cGY0JUUwTPeBRz/1r1Wq6mgqHHCG3zG2FV8EfypL5Swh0Mntb1m49fVrEFEg3Lp62m1bNSNQ3uImu7NxstC6zIUQfFU98O0Etb4C0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Hk9I7jTw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Hk9I7jTw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57169C433F1; Mon, 11 Mar 2024 14:50:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710168618; bh=0CzX1jg40qqIJLC46w8/k2Ft/Q55zd3GeVatG2t1zbM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Hk9I7jTwaZkvRWL6olsgzmu7TqvZbu3lgUCf9Mc8b+wsPbXzn6mYJN3l2885SCzet U3f9Oi+7Jh4Lkq4tJCVhBnPPLParmwjB75fMs2v6lgfYvAoCCnHCbEU0f4Uc/1HOZ0 BVxbrj7diK6AT9iLkUERw76U2BRH9a2/Uq8nuArP3zwJl2W44Dz8bpA036lXCtQl/O M7IkyftCIUcWBTYwxtJsyknFKSsp0a8GZF5oSMxFOC6IIAxlFknbYrHHBiPcXHTNCs DPVwlypVnP05jeYOo2RPbO0nvoCHP6rLA6YJ541u5kTyIkVOdFlLQ2sFvD+T+sQ7bw bRkT34yM75DDw== From: Maxime Ripard Date: Mon, 11 Mar 2024 15:49:34 +0100 Subject: [PATCH v9 06/27] drm/connector: hdmi: Add support for output format Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240311-kms-hdmi-connector-state-v9-6-d45890323344@kernel.org> References: <20240311-kms-hdmi-connector-state-v9-0-d45890323344@kernel.org> In-Reply-To: <20240311-kms-hdmi-connector-state-v9-0-d45890323344@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 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 X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=15064; i=mripard@kernel.org; h=from:subject:message-id; bh=0CzX1jg40qqIJLC46w8/k2Ft/Q55zd3GeVatG2t1zbM=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKnvpTicrt66toTZbPZ9+T3X1y34sq3EkDP/isSfkD25u 3+f57B73FHKwiDGxSArpsgSI2y+JO7UrNedbHzzYOawMoEMYeDiFICJ2Bgy/PdJnbrwnw275B5V /es95+PT+oLMbB6Fsf20vLjTMm62YQrDf5fNM6rs6xXW8vkv+OYY+OP9aabo/gMvkk/8k/yzV+P ZJAYA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D 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. Reviewed-by: Dave Stevenson Signed-off-by: Maxime Ripard --- 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 | 22 +++++++++++---- drivers/gpu/drm/tests/drm_connector_test.c | 9 +++++++ include/drm/drm_connector.h | 20 ++++++++++++++ 6 files changed, 81 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 4e11cfb4518b..8730137baa86 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1144,10 +1144,12 @@ static void drm_atomic_connector_print_state(struct drm_printer *p, drm_printf(p, "\tcolorspace=%s\n", drm_get_colorspace_name(state->colorspace)); if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) { 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) if (state->writeback_job && state->writeback_job->fb) drm_printf(p, "\tfb=%d\n", state->writeback_job->fb->base.id); diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index 460454904fe3..ae99765c45de 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -658,11 +658,12 @@ int drm_atomic_helper_connector_hdmi_check(struct drm_connector *connector, struct drm_connector_state *old_state = drm_atomic_get_old_connector_state(state, connector); struct drm_connector_state *new_state = drm_atomic_get_new_connector_state(state, connector); - if (old_state->hdmi.output_bpc != new_state->hdmi.output_bpc) { + if (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; crtc_state = drm_atomic_get_crtc_state(state, crtc); if (IS_ERR(crtc_state)) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index da51a2bcb978..b629c8e990f4 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -457,10 +457,11 @@ EXPORT_SYMBOL(drmm_connector_init); * @dev: DRM device * @connector: A pointer to the HDMI connector to 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 * subclassed as part of driver connector objects. * @@ -475,25 +476,31 @@ EXPORT_SYMBOL(drmm_connector_init); int drmm_connector_hdmi_init(struct drm_device *dev, struct drm_connector *connector, const struct drm_connector_funcs *funcs, int connector_type, struct i2c_adapter *ddc, + unsigned long supported_formats, unsigned int max_bpc) { int ret; if (!(connector_type == DRM_MODE_CONNECTOR_HDMIA || 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; ret = drmm_connector_init(dev, connector, funcs, connector_type, ddc); if (ret) return ret; + connector->hdmi.supported_formats = supported_formats; + /* * drm_connector_attach_max_bpc_property() requires the * connector to have a state. */ if (connector->funcs->reset) @@ -1199,10 +1206,34 @@ static const u32 dp_colorspaces = BIT(DRM_MODE_COLORIMETRY_SYCC_601) | BIT(DRM_MODE_COLORIMETRY_OPYCC_601) | BIT(DRM_MODE_COLORIMETRY_BT2020_CYCC) | BIT(DRM_MODE_COLORIMETRY_BT2020_YCC); +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 * * DRM connectors have a few standardized 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 5d1a1dbff433..a129ea5f014c 100644 --- a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c +++ b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c @@ -145,10 +145,11 @@ 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; struct drm_connector *conn; struct drm_encoder *enc; @@ -188,10 +189,11 @@ drm_atomic_helper_connector_hdmi_init(struct kunit *test, conn = &priv->connector; ret = drmm_connector_hdmi_init(drm, conn, &dummy_connector_funcs, DRM_MODE_CONNECTOR_HDMIA, NULL, + formats, max_bpc); KUNIT_ASSERT_EQ(test, ret, 0); drm_connector_helper_add(conn, &dummy_connector_helper_funcs); drm_connector_attach_encoder(conn, enc); @@ -223,11 +225,13 @@ static void drm_test_check_output_bpc_crtc_mode_changed(struct kunit *test) struct drm_connector *conn; struct drm_device *drm; 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); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx); @@ -290,11 +294,13 @@ static void drm_test_check_output_bpc_crtc_mode_not_changed(struct kunit *test) struct drm_connector *conn; struct drm_device *drm; 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); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx); @@ -359,11 +365,13 @@ static void drm_test_check_bpc_8_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, 8); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 8); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; conn_state = conn->state; KUNIT_EXPECT_EQ(test, conn_state->max_bpc, 8); @@ -381,11 +389,13 @@ static void drm_test_check_bpc_10_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, 10); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 10); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; conn_state = conn->state; KUNIT_EXPECT_EQ(test, conn_state->max_bpc, 10); @@ -403,11 +413,13 @@ static void drm_test_check_bpc_12_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, 12); + priv = drm_atomic_helper_connector_hdmi_init(test, + BIT(HDMI_COLORSPACE_RGB), + 12); KUNIT_ASSERT_NOT_NULL(test, priv); conn = &priv->connector; conn_state = conn->state; KUNIT_EXPECT_EQ(test, conn_state->max_bpc, 12); diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c index 2519b91de95e..9589867bdf7c 100644 --- a/drivers/gpu/drm/tests/drm_connector_test.c +++ b/drivers/gpu/drm/tests/drm_connector_test.c @@ -185,10 +185,11 @@ static void drm_test_connector_hdmi_init_valid(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } /* @@ -202,10 +203,11 @@ static void drm_test_connector_hdmi_init_null_ddc(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, NULL, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } /* @@ -219,10 +221,11 @@ static void drm_test_connector_hdmi_init_bpc_invalid(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 9); KUNIT_EXPECT_LT(test, ret, 0); } /* @@ -236,10 +239,11 @@ static void drm_test_connector_hdmi_init_bpc_null(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 0); KUNIT_EXPECT_LT(test, ret, 0); } /* @@ -257,10 +261,11 @@ static void drm_test_connector_hdmi_init_bpc_8(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); prop = connector->max_bpc_property; KUNIT_ASSERT_NOT_NULL(test, prop); @@ -290,10 +295,11 @@ static void drm_test_connector_hdmi_init_bpc_10(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 10); KUNIT_EXPECT_EQ(test, ret, 0); prop = connector->max_bpc_property; KUNIT_ASSERT_NOT_NULL(test, prop); @@ -323,10 +329,11 @@ static void drm_test_connector_hdmi_init_bpc_12(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 12); KUNIT_EXPECT_EQ(test, ret, 0); prop = connector->max_bpc_property; KUNIT_ASSERT_NOT_NULL(test, prop); @@ -353,10 +360,11 @@ static void drm_test_connector_hdmi_init_type_valid(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, &dummy_funcs, connector_type, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } static const unsigned int drm_connector_hdmi_init_type_valid_tests[] = { @@ -385,10 +393,11 @@ static void drm_test_connector_hdmi_init_type_invalid(struct kunit *test) ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, &dummy_funcs, connector_type, &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } static const unsigned int drm_connector_hdmi_init_type_invalid_tests[] = { diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index d4d2ae15bc1e..29883e6f8e50 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -366,10 +366,13 @@ enum drm_panel_orientation { DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP, DRM_MODE_PANEL_ORIENTATION_LEFT_UP, DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; +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 * &drm_display_info * * This struct is used to store a frequency range supported by panel @@ -1039,10 +1042,15 @@ struct drm_connector_state { struct { /** * @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; }; /** * struct drm_connector_funcs - control connectors on a given device @@ -1900,10 +1908,21 @@ struct drm_connector { */ struct llist_node free_node; /** @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) int drm_connector_init(struct drm_device *dev, @@ -1923,10 +1942,11 @@ int drmm_connector_init(struct drm_device *dev, int drmm_connector_hdmi_init(struct drm_device *dev, struct drm_connector *connector, 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); void drm_connector_unregister(struct drm_connector *connector); int drm_connector_attach_encoder(struct drm_connector *connector,