From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B8A6309EE6 for ; Mon, 27 Apr 2026 10:41:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.11.138.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777286478; cv=none; b=Drbix4/mlIYZuE+VM6bM1crtAG9x6JpGo8/+hk8ioIcG3jtSu/v5KKPV9enIxH76UgI2bXI8COq7hS1IkjxRsKdVBnKtiOJNz9apUUh6kf1kjidunvFPCjp01+9cGtSEHvmanQqe/i4WE+l2d659ueO5UX0zMaFF0jdTVk/cHww= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777286478; c=relaxed/simple; bh=+duDd9dCR/Y5vYJdvb56z5wZ1N4HD3WS2eyTOjdU7Zo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hfM12GsFl2Jc71pDEw6KR8H+QBUPVUVYbTAwjK2ylhEmmLrUosli5LQRjixakkh2OLNtLGI0SoaAIKyn1X24d9K6QmH4KgPAxdCd7iC9C+v8ExQz07IfGcJmWMff3Ti6aKwEuUQtp+z5miDxRgMOIoTJ7/AxB2Uy0LLPPcvB5jw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=sntech.de; spf=pass smtp.mailfrom=sntech.de; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.b=LpStolxq; arc=none smtp.client-ip=185.11.138.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=sntech.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sntech.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.b="LpStolxq" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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