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h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=uprTcVnDUG5TdD4APlA+beMtoYZt8TfByALf+n14wG6W3s4br4U1vOvEo6RczfMqI BRl7K+ce2SUL+pNZrNnBxTJkx0Nlu9XB5xMqgQetglF1MmvzbUlaiyL+tX6sNtoeb1 PyaSawrEEOfKlEdz41KGnRb2IOhS0+QQ7uYL7ukmxmE7SIjMACk9hT/KhRTcRLPXXg ni/YnvKdCMoZssp6YUnTmkICwBv9CMnJraYIkCTvtaC/FMtqrbBtvfYUTAtQ7VlqX9 3J+olGuispeg3VDgA9AR2XaSGUkPsLvhrtiebOYV58YQdWkeIOe4jNY2fVEUjQjKyg h6KTEPksxG17Q== From: Maxime Ripard Date: Mon, 12 Feb 2024 14:12:58 +0100 Subject: [PATCH v6 15/36] drm/connector: hdmi: Add support for output format MIME-Version: 1.0 Message-Id: <20240212-kms-hdmi-connector-state-v6-15-f4bcdc979e6f@kernel.org> References: <20240212-kms-hdmi-connector-state-v6-0-f4bcdc979e6f@kernel.org> In-Reply-To: <20240212-kms-hdmi-connector-state-v6-0-f4bcdc979e6f@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 , Dave Stevenson X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=15675; i=mripard@kernel.org; h=from:subject:message-id; bh=VrmfdTV5M4cWtFLk3sLzhgI+JyycwUnfsh8R4VXSNpo=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKmnJNPn/i26fvP1zv9xd5d+3rF6yatfdQ9X7BYuCowXc AoKjwta01HKwiDGxSArpsgSI2y+JO7UrNedbHzzYOawMoEMYeDiFICJLD7C8IebvZ3XqbBAprLc XS1m7pOmA2afbnoF+L/N/q7b9c/2cD3DP9tmtYOcd99N4tEzP5z81Xv9zqb5Gac+lH3NknSwmPR RghUA 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-20240212_131416_322923_7283CEC1 X-CRM114-Status: GOOD ( 16.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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. 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 | 58 ++++++++++++++++------ drivers/gpu/drm/tests/drm_connector_test.c | 10 ++++ include/drm/drm_connector.h | 19 +++++++ 6 files changed, 108 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 5fcdab90c793..47fd2a7ca9e1 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1149,6 +1149,8 @@ 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 2025d053e54f..34aee5232974 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -706,7 +706,8 @@ 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 ca39fd027e20..b895bea667f7 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..a5cba3e63f99 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); @@ -820,7 +842,9 @@ 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 +864,9 @@ 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 +888,9 @@ 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 +912,9 @@ 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; diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c index fef7d53d34d4..9c5ce7e81d01 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); @@ -355,6 +362,7 @@ 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 +395,7 @@ 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); } @@ -590,6 +599,7 @@ 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); 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);