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Fri, 18 Oct 2024 14:49:21 -0700 (PDT) From: Dmitry Baryshkov Date: Sat, 19 Oct 2024 00:49:12 +0300 Subject: [PATCH 1/6] drm/display: bridge_connector: handle ycbcr_420_allowed MIME-Version: 1.0 Message-Id: <20241019-bridge-yuv420-v1-1-d74efac9e4e6@linaro.org> References: <20241019-bridge-yuv420-v1-0-d74efac9e4e6@linaro.org> In-Reply-To: <20241019-bridge-yuv420-v1-0-d74efac9e4e6@linaro.org> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2190; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=XEeB8zSmc5l7zbT8EsjhmWQeibYM5q3N2PhNmNxtKME=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnEtfdkI2xvvDyeAfQVDQUi0tdefgLR6vV7buRI tI484ScB1+JATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZxLX3QAKCRCLPIo+Aiko 1WeWCAClFBFBl2ZmrqDc2fZN2aSCu3RdrzJkvaupwJdyhURATXsaWpT9bGsmOd2MjKTxT0Loq9p C8WpoBOLd6UjVr13L7T8l6Sq3H77uEMREgloAxbbLVaW05xKTeFdS/KSTJr5oABdtTDqZzsxg0a slmypGrkSSKs3m2pJ/DXM/2yZYvIrGD8OmlpV1P5VSrCKXjNvMsek2LHuHrBDKxtfqjjTxMjDIl /ZBvupf/oBQ5XheDg1XSudap4ydX+m2c6+pZUkxgA/53WVDoyKOv5rDrinCM9gnbKDAFnC8Cm6z PiycyIZiFvnah4d49hQ0ije+kgj0w9K8xM9FIx6zlu5k5KN6 X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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" Follow the interlace_allowed example and calculate drm_connector's ycbcr_420_allowed flag as AND of all drm_bridge's ycbcr_420_allowed flags in a chain. This is one of the gaps between several bridge-specific connector implementations and drm_bridge_connector. Signed-off-by: Dmitry Baryshkov Reviewed-by: Neil Armstrong --- drivers/gpu/drm/display/drm_bridge_connector.c | 6 ++++-- include/drm/drm_bridge.h | 5 +++++ 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c index 3da5b8bf8259..320c297008aa 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -397,11 +397,11 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, bridge_connector->encoder = encoder; /* - * TODO: Handle doublescan_allowed, stereo_allowed and - * ycbcr_420_allowed. + * TODO: Handle doublescan_allowed and stereo_allowed. */ connector = &bridge_connector->base; connector->interlace_allowed = true; + connector->ycbcr_420_allowed = true; /* * Initialise connector status handling. First locate the furthest @@ -414,6 +414,8 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, drm_for_each_bridge_in_chain(encoder, bridge) { if (!bridge->interlace_allowed) connector->interlace_allowed = false; + if (!bridge->ycbcr_420_allowed) + connector->ycbcr_420_allowed = false; if (bridge->ops & DRM_BRIDGE_OP_EDID) bridge_connector->bridge_edid = bridge; diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 75019d16be64..e8d735b7f6a4 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -802,6 +802,11 @@ struct drm_bridge { * modes. */ bool interlace_allowed; + /** + * @ycbcr_420_allowed: Indicate that the bridge can handle YCbCr 420 + * output. + */ + bool ycbcr_420_allowed; /** * @pre_enable_prev_first: The bridge requires that the prev * bridge @pre_enable function is called before its @pre_enable,