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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 4C0A0CCD1B0 for ; Tue, 21 Oct 2025 07:12:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 27C1C10E2D4; Tue, 21 Oct 2025 07:12:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="UPpU2Koj"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id D7B4410E488; Mon, 20 Oct 2025 16:59:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1760979541; bh=W5/9cUzx8mFHXlSOOHPt6EnGaX6UaZbSSHaXNYekbmY=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=UPpU2KojtgdPswvKeqbXUJWEA8dZPbeKenypejVEvLXGY1j71w2XRF7PyflnAiqMG PwssshWeSmAHUUhSLhC4wTOfmWpUfALFnsRNne3N90gQrPf0YVkq5n2H+/MJNj0yhL dLzN9Mq37uAnW20xhCQvmJeH8MVUHPQQmZbOlOFi+cRksBvL73JqC+KNPQSO6oNvsC 8tStCFgnXvpvCCMZnMLBiP1KNrEyq7LhjsNjr1rP8Me8qlP3SLASx1YD6IvDVchF7C NslDB18KiMXZPmnR6IwtcZhTZhR23o3NANvg2dcCZw5DlLqOc5nQ8nkNX19uFO++N3 /xTPmDIRRkOAg== Received: from [192.168.200.105] (unknown [182.181.201.194]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: usama.anjum) by bali.collaboradmins.com (Postfix) with ESMTPSA id CD9A917E1278; Mon, 20 Oct 2025 18:58:55 +0200 (CEST) Message-ID: Date: Mon, 20 Oct 2025 21:58:51 +0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: usama.anjum@collabora.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Subject: Re: [RFC 1/3] PM: Mark device as suspended if it failed to resume To: "Mario Limonciello (AMD)" , mario.limonciello@amd.com, airlied@gmail.com, alexander.deucher@amd.com, christian.koenig@amd.com, dakr@kernel.org, gregkh@linuxfoundation.org, lenb@kernel.org, pavel@kernel.org, rafael@kernel.org, simona@ffwll.ch References: <20251020165317.3992933-1-superm1@kernel.org> <20251020165317.3992933-2-superm1@kernel.org> Content-Language: en-US From: Muhammad Usama Anjum In-Reply-To: <20251020165317.3992933-2-superm1@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Tue, 21 Oct 2025 07:12:09 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On 10/20/25 9:50 PM, Mario Limonciello (AMD) wrote: > From: Mario Limonciello > > If a device failed to resume the PM core treats it as though it > succeeded. This could cause state machine problems. > > Cc: Muhammad Usama Anjum > Signed-off-by: Mario Limonciello (AMD) Tested-by: Muhammad Usama Anjum > --- > drivers/base/power/main.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c > index e83503bdc1fdb..bf9c3d79c455f 100644 > --- a/drivers/base/power/main.c > +++ b/drivers/base/power/main.c > @@ -1104,6 +1104,9 @@ static void device_resume(struct device *dev, pm_message_t state, bool async) > device_unlock(dev); > dpm_watchdog_clear(&wd); > > + if (error) > + dev->power.is_suspended = true; > + > Complete: > complete_all(&dev->power.completion); > -- --- Thanks, Usama