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 0140ECCD193 for ; Wed, 15 Oct 2025 10:03:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bBnEZv48jlEQ2yo2uh4ZOn9x/HUSzuwjt2fwaHiuXA0=; b=d1dqWb19b/FtGK jSM2pUs0H2WjYMAknpO1/HRpjh5eL0AE9fDwTDLmGhrmeiUycccr+5o4+s/749jE8bIwA2SVmj0bf giNv0LAJOXxADuqXNihbmw3uHq01Md4k7nXW0dJbG+HVr6A5KoggCuJCa93bHZT+p3fbjNZYcYE1Z f7b8rsyuEU+h+HJDqj5IVpCadSeYe1g2ekTvx7/WPwfCtD37KQ5gU/XwOR+17MAE6hiuVeW+BSvlH r0cjuY67IDZLG84GtKWpQ0dI7xdnQC/tIJGOTnFuix2DY3JsUyXg5aBS/E+EcFmcnMEpFWS71N7Hk M3yxbN6JbSp+UGLt3z1A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v8yLh-00000001Dd0-35VK; Wed, 15 Oct 2025 10:03:13 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v8yLe-00000001DcO-3jEi for linux-rockchip@lists.infradead.org; Wed, 15 Oct 2025 10:03:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1760522588; bh=vIUSMXrHYo6IVAXXMlf2z2QqzqoJqcv9TqtH8rYDitE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=P8jstF9EFj1pRwbRbKvsomEZszhzzmqa/emjO22fMo3rkEfP5JsJ5N1N4ZpP/NswI D17peeUodI2Qo1oJinpW1/CbABku69oUBKLoSXrnZBuiwxQ3OOvmM43QD8/UbUNVE9 r5/C1Fbytwz4q2HA5fTewQdJW0bvRyHP6kjpElWDxJiDCaUQdf7291XkG1n8rFAomC bkX/PltyOWoolKBd9X2MSes74NZWXhZHwoiXVCb3HCZElbLxtyY2Xx968D9F9Z0NRP 99RxlnNhhstChFTilT1r8aC/xw0JRWM2s8Lh81FJgNnZJftCM3AXfhO/rZt2taTSQF bftZTKi8vPQCw== Received: from [192.168.1.90] (unknown [82.79.138.145]) (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: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 93E8E17E00A3; Wed, 15 Oct 2025 12:03:07 +0200 (CEST) Message-ID: <7291eff3-b259-4209-b150-cb220abc01ec@collabora.com> Date: Wed, 15 Oct 2025 13:03:07 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/bridge: dw-hdmi-qp: Fix spurious IRQ on resume To: Sebastian Reichel , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, kernel@collabora.com References: <20251014-rockchip-hdmi-suspend-fix-v1-1-983fcbf44839@collabora.com> Content-Language: en-US From: Cristian Ciocaltea In-Reply-To: <20251014-rockchip-hdmi-suspend-fix-v1-1-983fcbf44839@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251015_030311_235358_575C07D7 X-CRM114-Status: UNSURE ( 8.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 10/14/25 7:00 PM, Sebastian Reichel wrote: > After resume from suspend to RAM, the following splash is generated if > the HDMI driver is probed (independent of a connected cable): > > [ 1194.484052] irq 80: nobody cared (try booting with the "irqpoll" option) > [ 1194.484074] CPU: 0 UID: 0 PID: 627 Comm: rtcwake Not tainted 6.17.0-rc7-g96f1a11414b3 #1 PREEMPT > [ 1194.484082] Hardware name: Rockchip RK3576 EVB V10 Board (DT) > [ 1194.484085] Call trace: > [ 1194.484087] ... (stripped) > [ 1194.484283] handlers: > [ 1194.484285] [<00000000bc363dcb>] dw_hdmi_qp_main_hardirq [dw_hdmi_qp] > [ 1194.484302] Disabling IRQ #80 > > Apparently the HDMI IP is losing part of its state while the system > is suspended and generates spurious interrupts during resume. The > bug has not yet been noticed, as system suspend does not yet work > properly on upstream kernel with either the Rockchip RK3588 or RK3576 > platform. > > Fixes: 128a9bf8ace2 ("drm/rockchip: Add basic RK3588 HDMI output support") > Signed-off-by: Sebastian Reichel LGTM, hence Reviewed-by: Cristian Ciocaltea _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip