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 C4C1DFF885E for ; Mon, 27 Apr 2026 11:01:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=4XRJaWFbqSFsmBGRLBmlvpPymX1vBXalsYhJharnm3k=; b=N1pjGWMcz2izk/UdfSw8hhMXGS WTtZfYozB43SxEzNwofor4C/tXfm5+FdWoST3j4fFUYW70JUoDkeg22B3kkbq96dcEO3EMw1PWhAO 2SXwN5BfWEE+dH7zV3I221Z4numlRWEqn0fa7NRnE2qWg4D0au+3M2K2tb1GheWCb+fBnOgJ4eFt2 iM6nYlbxIgcFPO/EvaxS0xtan5ToP5N098Ljlk4zCosVDeAK3Tn7Z+X6LXt48fqQO9t+vQz0FvT9F aifM6A1Pu04U/RKbjQIzyZFD+o7mUv3QvXLCMFwuq4WcbU5b7I8Ff7RLmaL74csWY5ml7ytS+fyTy T3LiSeMQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHJhx-0000000GkBc-13L4; Mon, 27 Apr 2026 11:00:57 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHJhu-0000000GkB8-3wGE; Mon, 27 Apr 2026 11:00:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=4XRJaWFbqSFsmBGRLBmlvpPymX1vBXalsYhJharnm3k=; b=V4zLCz3ZLjDozLT4o/LAggRxW+ /7tTwM/7AIduZZExmA/N0ISPGIhudlvQr8OIZLfqqpl3dZzFBMZO1+CHO4S8/p8hIQThRYm7H+6Kw qUkz/RARTegoCwhvGlEh1G2dMvmMhgeaxaOhhWF1lOqflCgkHilvK6JFcoBJJcc6z7QZTy5pHVYxG W9MKn34IY0Srn89vDSGxcQR1sfCsVcWFb3In1Ti8EhUxZReRvvRM0/7nKkCmR621tabBfYgWvbiql WQsl/2EmAYv0jtLQJdv8PT+fJNaOnJl8mfbz3nHEmX1FbNG529k3mzs/2eOoeE1awhg2afR8w/mLW oKv+HpAA==; From: Heiko Stuebner To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sandy Huang , Andy Yan , Cristian Ciocaltea Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Diederik de Haas , Maud Spierings Subject: Re: [PATCH v5 02/10] drm/bridge: Add detect_ctx hook and drm_bridge_detect_ctx() helper Date: Mon, 27 Apr 2026 13:00:35 +0200 Message-ID: <11399494.CDJkKcVGEf@phil> In-Reply-To: <20260426-dw-hdmi-qp-scramb-v5-2-d778e70c317b@collabora.com> References: <20260426-dw-hdmi-qp-scramb-v5-0-d778e70c317b@collabora.com> <20260426-dw-hdmi-qp-scramb-v5-2-d778e70c317b@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260427_040054_979574_77645D77 X-CRM114-Status: UNSURE ( 7.12 ) X-CRM114-Notice: Please train this message. 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 Am Sonntag, 26. April 2026, 02:20:14 Mitteleurop=C3=A4ische Sommerzeit schr= ieb Cristian Ciocaltea: > Add an atomic-aware .detect_ctx() callback to drm_bridge_funcs and a > drm_bridge_detect_ctx() helper that accepts an optional > drm_modeset_acquire_ctx. >=20 > This enables bridge drivers to perform operations requiring modeset > locking during connector detection, such as SCDC management for HDMI > 2.0. When both ->detect_ctx and ->detect are defined, the former takes > precedence. When ctx is NULL, locking is managed internally with EDEADLK > retry. >=20 > Tested-by: Diederik de Haas > Tested-by: Maud Spierings > Signed-off-by: Cristian Ciocaltea while this looks sane to me, my drm insights are spotty, so I can only provide the lighter Acked-by: Heiko Stuebner