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 94B5DFF885E for ; Mon, 27 Apr 2026 10:41:23 +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=nAD4AusdeD9FfyVrCO0ouM2Cws+0AVlS+08lI2nfBkk=; b=xzP5eVJnoirJirFWguDocd/IVs 8Bo3Q58AOQ7ok5N+xopzlh/3rtYpnizXyxo195Wj5ARfNc30Bcz7bCWTKI5dXqcuE84nOJXAkw/5f DGCYyA1w6Qr+IQ1g97GnaN/yNFGl7kbyfhbFoSM0KzQPxKFgVR+wHcXSDHOCbKCDwPVtvwPpN1kn/ DmwwCQFnJjB1OuTXaOfHq58VkKkn5L1R05gjfolVJ/fworMKjPaKs0wn3nkxYJaAdI/wzV2D+RYLP dh+IHODQ0HFrjVGsTdldmnke6++qjomUbccGY0TCex5ICsTvcvjmv3l5v71mCpnNzeQvu9W0xmUoc JKZRHDhA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHJOy-0000000GiIo-0Nfq; Mon, 27 Apr 2026 10:41:20 +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 1wHJOv-0000000GiHz-2buG; Mon, 27 Apr 2026 10:41:18 +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=nAD4AusdeD9FfyVrCO0ouM2Cws+0AVlS+08lI2nfBkk=; b=LpStolxq3jg9WYGz1YvWNjkrZS ZtAgRFX6liopLoxVtop0BNDB83nNU/t9EOHFPQjli8n6VJ4wWknAghmz15S04zgBtVPbB+4AfXtk3 6+qOtl0kLOKuZe7LUGOX+4ZppyCD41kXl0NffVwETiQyUw674QprUKvCt8yn+xS52JFGsBTVyWmq1 4OBJt/Zu+B0XYrIqq3Ryd9/HhtVUOJdgNEpVEaPQbdg7HRcNtDK0ZCVJJFkr09tIv4AsuOJvfwKJD s1K1ttn8Le6RQuDuGrC8i2sgOy2se6xaNdmiE2dPW2wo840jwi1jv7UgQVcGZ1dLaWyqS6QNnVZy3 bdy8wmSw==; 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 Subject: Re: [PATCH v5 06/10] drm/bridge: dw-hdmi-qp: Rate limit i2c read error messages Date: Mon, 27 Apr 2026 12:41:04 +0200 Message-ID: <5203832.44csPzL39Z@phil> In-Reply-To: <20260426-dw-hdmi-qp-scramb-v5-6-d778e70c317b@collabora.com> References: <20260426-dw-hdmi-qp-scramb-v5-0-d778e70c317b@collabora.com> <20260426-dw-hdmi-qp-scramb-v5-6-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_034117_707178_79DEA4B9 X-CRM114-Status: UNSURE ( 7.58 ) 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, 02:20:18 Mitteleurop=C3=A4ische Sommerzeit schr= ieb Cristian Ciocaltea: > During EDID reads, repeated i2c errors can flood the kernel log: >=20 > [ 25.361716] dwhdmiqp-rockchip fde80000.hdmi: i2c read error > [ 25.363376] dwhdmiqp-rockchip fde80000.hdmi: i2c read error > ... > [ 25.368671] dwhdmiqp-rockchip fde80000.hdmi: i2c read error > [ 25.369440] dwhdmiqp-rockchip fde80000.hdmi: failed to get edid >=20 > Switch to dev_err_ratelimited() in dw_hdmi_qp_i2c_read() to reduce log > spam while still reporting the condition. >=20 > Signed-off-by: Cristian Ciocaltea Reviewed-by: Heiko Stuebner