From mboxrd@z Thu Jan 1 00:00:00 1970 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 77C49CD4F3C for ; Mon, 18 May 2026 18:04:21 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hIkv0S9+Kz1JgmkG4Pix3oltsKtokaYYGMlj2r3k8Ak=; b=cYaSJESu17TtEa OSOFerR+wHhxjuhLQTbOyYLb/snUlpE5NvD5IjGtR8LoD9Jgd+iqu5zuFPRO31hCwI9H5+YJMkW2M M5uWikviOnrIR+9/zPiR1I1O/U+SYkzCbSkpR92E+ncEjjyeXSYhz0DYt/66QRq1tRBDgfyuDgXLz WTAGzfRLpLAmcrUPEEFhS65FC/ka1DSUg6tND4ZcCfxDQltxmkYHWgXUIzYRzGSO7pkcSigTlBuD3 qWc66wW2t85dBYnfNk7YuhB9nXpIOZY4rldl8gfCxzSyA45Zpx1e7Iznk6QuD5kkgOS3D9vFqatP7 Ef4Qz7Mue5swmJqEH/0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wP2K8-0000000GVLA-0RiF; Mon, 18 May 2026 18:04:16 +0000 Received: from smtp.forwardemail.net ([2001:19f0:ac01:372:5400:5ff:fe53:764a]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wP2Jw-0000000GV4r-333q for linux-amlogic@lists.infradead.org; Mon, 18 May 2026 18:04:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1779127442; bh=pRDjhi4A67HVrKb8G93iuKDjCCMCnoa34s8OGiHVDR4=; b=CaQ/WpmQAuvObrT0hq053fm3RfgdudcuFvXUz8VxC1dT3pyt69bXNahWUzQtJKw2vmB/usZBP McyLkBE3ZmtCyigrNRSOut/6p2SQ2Cf9rRbrmF4YPf+RMB6Q4UkC/EMUzIiQvAxvAslROC/+3ln kJwckUTf4YnbShoPaT8TQWEoVBOFrL4Zws6YWvOl0X3cbbCpkr5pcOLK1YJCRhSOY6uhuyTa9ts N8wJ55w/AQS9CSVzv5Nu1aKDTNKy4BgNmmGC48zIaRncbdL4ypQe3IwOWc7EtlFKxRfX4v1nVnb b6PqHnNZ8EbIYkmhseYybk3iS7ovnmVYRSlXyfKjvPKg== X-Forward-Email-ID: 6a0b546ab84dbc72d2274f59 X-Forward-Email-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 149.28.215.223 X-Forward-Email-Version: 2.8.12 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Jonas Karlman To: Andrzej Hajda , Neil Armstrong , Robert Foss , Heiko Stuebner , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Subject: [PATCH v7 16/23] drm: bridge: dw_hdmi: Update EDID and CEC phys addr in bridge detect() Date: Mon, 18 May 2026 18:01:52 +0000 Message-ID: <20260518180206.2480119-17-jonas@kwiboo.se> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260518180206.2480119-1-jonas@kwiboo.se> References: <20260518180206.2480119-1-jonas@kwiboo.se> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260518_110404_905626_6BB29B46 X-CRM114-Status: GOOD ( 11.03 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dmitry Baryshkov , imx@lists.linux.dev, Liu Ying , linux-kernel@vger.kernel.org, Sandy Huang , dri-devel@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Diederik de Haas , linux-rockchip@lists.infradead.org, linux-amlogic@lists.infradead.org, Andy Yan , Chen-Yu Tsai , Nicolas Frattaroli , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Update EDID and CEC phys addr in the bridge detect() func to closely match the behavior of a bridge connector with a HDMI bridge attached and the dw-hdmi connector. This change introduce a slight delay to the bridge connector detect() and get_modes() funcs due to multiple EDID reads. This is an acceptable added delay to help ensure EDID and CEC phys addr always are correct. Signed-off-by: Jonas Karlman --- v7: Update commit message v6: New patch This is a temporary change until dw-hdmi is fully converted into a HDMI bridge in a future part of this multi-series effort. The patch "drm/bridge-connector: Use cached connector status in .get_modes()" [1] can help remove one unnecessary EDID read until dw-hdmi is fully converted into a HDMI bridge. [1] https://lore.kernel.org/dri-devel/20260426-dw-hdmi-qp-scramb-v5-3-d778e70c317b@collabora.com/ --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 37406555af7b..0c4388e7aa5e 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -2947,8 +2947,17 @@ static enum drm_connector_status dw_hdmi_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connector) { struct dw_hdmi *hdmi = bridge->driver_private; + enum drm_connector_status status; - return dw_hdmi_detect(hdmi); + status = dw_hdmi_detect(hdmi); + + /* + * Update EDID and CEC phys addr to match the behavior of a bridge + * connector with a HDMI bridge attached and the dw-hdmi connector. + */ + dw_hdmi_connector_status_update(hdmi, connector, status); + + return status; } static const struct drm_edid *dw_hdmi_bridge_edid_read(struct drm_bridge *bridge, -- 2.54.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic