From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 6D6B2221577; Fri, 22 Aug 2025 08:46:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755852409; cv=none; b=Tttd47+miuXq24IBAwl8VnAQ8FZFxpIEwHfs3DI/AJ3sL0ZOWghjwfDjK2Knq7hP/Ut2IMS0xgo3lhLwYj+F6ur0Fri8hrbpCt8lyRW223g+KQr1w7X0wa4a+60KCkq9UQdNzs4gPUs7E3nB+nFTJ/3+6t1Q0QC1NjWdoZKCdxk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755852409; c=relaxed/simple; bh=sMZ/sVgshi7/W76au4urNnyFfZBACrPxwav0Rr+oR3I=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gmaV235CVEgKyR9nJ8ysbqjHJwIta+FNMXG/M7bwEk+hv+Y3kZIximNT6WHr1clp8tkhIGr/zuD92MMHe2uxxW3D6PbZuA45is1gKoDI0XqLw+3XSg/XSayBzlirfnVPsCOEPNn+vPZimUQDa/o/xlxwHp16EI/gr3kzLjSoVZs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=UTqjg2u9; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="UTqjg2u9" Received: from [192.168.88.20] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A28C078E; Fri, 22 Aug 2025 10:45:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1755852344; bh=sMZ/sVgshi7/W76au4urNnyFfZBACrPxwav0Rr+oR3I=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=UTqjg2u9Qun0pkqantzMaJDn76iWz8k4ZcnvyWrDtZhLjeocTxGGSUKJV06+yf2Zg kgJoclIMppgSdFcAm5zwO9NiR85IarVrjIfKsbI7J+brIs5VnF2CyM7brFj/KO6Fx6 VVS/1M0i7kP4TDiRPkvkA3hnaFmjN1q1O427h9Mc= Message-ID: <09441f4b-bdd1-46c9-876e-2ff503dd1160@ideasonboard.com> Date: Fri, 22 Aug 2025 11:46:40 +0300 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] drm/bridge: cdns-dsi: Replace deprecated UNIVERSAL_DEV_PM_OPS() To: Francesco Dolcini , Andrzej Hajda , Neil Armstrong , Robert Foss Cc: Vitor Soares , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Vitor Soares , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Aradhya Bhatia , Jayesh Choudhary , stable@vger.kernel.org References: <20250512083215.436149-1-ivitro@gmail.com> <546ef388-299b-4d97-8633-9508fab4475a@ideasonboard.com> <20250822070401.GA15925@francesco-nb> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 22/08/2025 10:04, Francesco Dolcini wrote: > Hello, > > On Thu, May 22, 2025 at 12:09:08PM +0300, Tomi Valkeinen wrote: >> On 12/05/2025 11:32, Vitor Soares wrote: >>> From: Vitor Soares >>> >>> The deprecated UNIVERSAL_DEV_PM_OPS() macro uses the provided callbacks >>> for both runtime PM and system sleep. This causes the DSI clocks to be >>> disabled twice: once during runtime suspend and again during system >>> suspend, resulting in a WARN message from the clock framework when >>> attempting to disable already-disabled clocks. >>> >>> [ 84.384540] clk:231:5 already disabled >>> [ 84.388314] WARNING: CPU: 2 PID: 531 at /drivers/clk/clk.c:1181 clk_core_disable+0xa4/0xac >>> ... >>> [ 84.579183] Call trace: >>> [ 84.581624] clk_core_disable+0xa4/0xac >>> [ 84.585457] clk_disable+0x30/0x4c >>> [ 84.588857] cdns_dsi_suspend+0x20/0x58 [cdns_dsi] >>> [ 84.593651] pm_generic_suspend+0x2c/0x44 >>> [ 84.597661] ti_sci_pd_suspend+0xbc/0x15c >>> [ 84.601670] dpm_run_callback+0x8c/0x14c >>> [ 84.605588] __device_suspend+0x1a0/0x56c >>> [ 84.609594] dpm_suspend+0x17c/0x21c >>> [ 84.613165] dpm_suspend_start+0xa0/0xa8 >>> [ 84.617083] suspend_devices_and_enter+0x12c/0x634 >>> [ 84.621872] pm_suspend+0x1fc/0x368 >>> >>> To address this issue, replace UNIVERSAL_DEV_PM_OPS() with >>> SET_RUNTIME_PM_OPS(), enabling suspend/resume handling through the >>> _enable()/_disable() hooks managed by the DRM framework for both >>> runtime and system-wide PM. >>> >>> Cc: # 6.1.x >>> Fixes: e19233955d9e ("drm/bridge: Add Cadence DSI driver") >>> Signed-off-by: Vitor Soares > > ping on this, Tomi, maybe you can pick this one or is there any > concern ? No concern from my side, but I'm not a bridge or cdns-dsi maintainer, so I don't pick any of these to drm-misc by default. Aaand now as I wrote that, I realized I just some time ago pushed the cdns-dsi series ("drm/bridge: cdns-dsi: Make it work a bit better") to drm-misc without bridge maintainer's ack... So that didn't go according to the rules, sorry. Tomi