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 D6F98D78303 for ; Mon, 2 Dec 2024 10:20:56 +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-Transfer-Encoding:Cc :References:In-Reply-To:Subject:To:From:Date:Message-ID:Reply-To:MIME-Version :Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kI7vAHJP2xzXL2Ldf4Pd669MPbu2D6JPp+Ub1IliRd4=; b=1KOq5o51lnyuX5EJZMO+Kl2Emw sSmoL4ZscgL5U7EOUItRB8dmOZbL/g2yedG8em994CRs90X7LYSDaRI6DpaW6CkPpMOcV/rLNSSs2 4pTrXAHhEpPmeRVE5OLMKUo7TDNqA0JZNWYKZe85WRtABOJ/U1Wie/XvQZ5AvPDaOsWPQJ6T9oOKC vFKNdo26ngExp75V459bF35cxa/ojLID6vBZHd1Bjig4IWaWxr8skE0LnnjIUt4JtkMxs881WMFzn Kt/s1Uy5XDwXXi48zhZw5lP1PRLpS3H5FnLLzuaunPS01ZhSqPqgcObFjfJ4VgEbT/rVT3nd8iBvi a2ELOEUw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tI3Xr-00000005hxz-0uuH; Mon, 02 Dec 2024 10:20:47 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tI3Wr-00000005hsB-47M5 for linux-arm-kernel@lists.infradead.org; Mon, 02 Dec 2024 10:19:47 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 90CA45C4BDF; Mon, 2 Dec 2024 10:19:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA1B3C4CED1; Mon, 2 Dec 2024 10:19:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733134784; bh=0nLS4J9qXeFv/L92DDeQg9+azIKURqKYfy9mdnxjm3k=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=kmhsd5qNP8PjnFw7JW1cgOBNkW9mQLZPH4pXX5/8dwKvqwnJuyfirt1aqyztIlDdV IH1fjkg7XyFypJst+r31tBHNAEr7/qTjDQF2oM/8PA2tPcxtUxuYqdYsN77yJxxDxE D49bbL44XFfS1wbpfVfBn5YTyxG+t99wmK43EiWT1WvygzcP6G28C/zlIKWPnlzfCe zAxLiPTwPN1zh6Klz9GCZ0auLZ+9TcEQ0RsSi8QLjmsaMREjCrwaybirjM8aDu7HJp PiDC4e0R7txSroxQpjqcg7C7CBbHK/g+gMX1VhGs3ZGwVqMxES1G+5DNd4QBX8vEir 0VvpMFIv5dbLw== Message-ID: <77545786331df8bfaf5fdcb309437358@kernel.org> Date: Mon, 02 Dec 2024 10:19:41 +0000 From: "Maxime Ripard" To: "Dmitry Baryshkov" Subject: Re: [PATCH 00/10] drm/connector: add eld_mutex to protect connector->eld In-Reply-To: <20241201-drm-connector-eld-mutex-v1-0-ba56a6545c03@linaro.org> References: <20241201-drm-connector-eld-mutex-v1-0-ba56a6545c03@linaro.org> Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, "Abhinav Kumar" , "Alain Volmat" , "Alex Deucher" , "Alim Akhtar" , "Andrzej Hajda" , =?utf-8?b?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Dave Stevenson" , "David Airlie" , "Harry Wentland" , "Inki Dae" , "Jani Nikula" , "Jernej Skrabec" , "Jonas Karlman" , "Joonas Lahtinen" , "Krzysztof Kozlowski" , "Kyungmin Park" , "Laurent Pinchart" , "Leo Li" , "Maarten Lankhorst" , "Marijn Suijten" , "Maxime Ripard" , =?utf-8?b?TWHDrXJhIENhbmFs?= , "Neil Armstrong" , "Phong LE" , "Raphael Gallais-Pou" , "Raspberry Pi Kernel Maintenance" , "Rob Clark" , "Robert Foss" , "Rodrigo Siqueira" , "Rodrigo Vivi" , "Sean Paul" , "Seung-Woo Kim" , "Simona Vetter" , "Thomas Zimmermann" , "Tvrtko Ursulin" , "Xinhui Pan" Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241202_021946_069886_498011EE X-CRM114-Status: UNSURE ( 7.21 ) 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 On Sun, 1 Dec 2024 01:55:17 +0200, Dmitry Baryshkov wrote: > The connector->eld is accessed by the .get_eld() callback. This access > can collide with the drm_edid_to_eld() updating the data at the same > time. Add drm_connector.eld_mutex to protect the data from concurrenct > access. > > > [ ... ] Reviewed-by: Maxime Ripard Thanks! Maxime