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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7690EFCA16A for ; Mon, 9 Mar 2026 17:55:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BD99F10E57B; Mon, 9 Mar 2026 17:55:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="S5wqSwNC"; dkim-atps=neutral Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8783110E57A for ; Mon, 9 Mar 2026 17:55:21 +0000 (UTC) Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 78E1A1A2D72; Mon, 9 Mar 2026 17:55:20 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 4E5075FFB8; Mon, 9 Mar 2026 17:55:20 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3EE4B1036990D; Mon, 9 Mar 2026 18:55:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1773078919; h=from:subject:date:message-id:to:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=7H0KmHNEb4XPdj55o+tif8lY/IBWEaDGpXd3JK/gbqA=; b=S5wqSwNCTf028AN0DGYr5z6qMOXKLzAGvqBSiWVajcB6qnG8mgTSSHXelDCYLLE3OL47LN a86+FhjiUT+AZfDKvm+3my3PkLduaBvmRsPW/SxlYDsePtTmPtVQpZtYlI70b2kNKzfPkq KbMo+gHg4V3QUik8/8fYmuxt8wHN3w7iQl5ClV572Xz5jdLAmOkp0b6n/wetmhlYJW/UA6 PlTxojFUtop8RuJfXKlVpinkU/+37RPSba2ZNJ9XOaHdzODSweWnzzkMfp/2Wcra4isAVW 1KBmB4yS3e2pUJLOOyPRUZFfkYFwOspEbCLFFeOwQP9UD680GT73upT5iRbpeA== Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Mon, 09 Mar 2026 18:55:15 +0100 Message-Id: To: "Harikrishna Shenoy" , , , , , , , , , , , , , , , , , , , , , , , , , From: "Luca Ceresoli" Subject: Re: [PATCH v10 3/6] drm/bridge: cadence: cdns-mhdp8546-core: Handle HDCP state in bridge atomic check X-Mailer: aerc 0.20.1 References: <20251209120332.3559893-1-h-shenoy@ti.com> <20251209120332.3559893-4-h-shenoy@ti.com> In-Reply-To: <20251209120332.3559893-4-h-shenoy@ti.com> X-Last-TLS-Session-Version: TLSv1.3 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" On Tue Dec 9, 2025 at 1:03 PM CET, Harikrishna Shenoy wrote: > Now that we have DRM_BRIDGE_ATTACH_NO_CONNECTOR framework, handle the > HDCP state change in bridge atomic check as well to enable correct > functioning for HDCP in both DRM_BRIDGE_ATTACH_NO_CONNECTOR and > !DRM_BRIDGE_ATTACH_NO_CONNECTOR case. > > Without this patch, when using DRM_BRIDGE_ATTACH_NO_CONNECTOR flag, HDCP > state changes would not be properly handled during atomic commits, > potentially leading to HDCP authentication failures or incorrect > protection status for content requiring HDCP encryption. > > Fixes: 6a3608eae6d33 ("drm: bridge: cdns-mhdp8546: Enable HDCP") > Signed-off-by: Harikrishna Shenoy Reviewed-by: Luca Ceresoli -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com