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 6FF07C79F9E for ; Mon, 7 Sep 2026 10:16:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C922210E752; Mon, 7 Sep 2026 10:16:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Y/lha7Xw"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0F22010E750; Mon, 7 Sep 2026 10:16:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788776213; x=1820312213; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version:content-transfer-encoding; bh=koOpTUb6YTdsPAfmxU0F4QcjTxU9LKAdIwUkd4Ok940=; b=Y/lha7XwvTifd7+uBJMRm3+B2GVfiooSZ1C5eiZpmfGMZsLZ0aI1vN6k diL0Ap7/UWVLhF9K2PsY6sAeWDF5pFo9zLa16BJLAuz03CLbhGaaMNrAX AtfDpp0y1dmIFmJ1dr3qZGtFhQA1NDfIncvirX4WXTvCWV4g14KlUOwVZ mtnuCPdfCEctueHaY3FTQ7NHGuAcg/C4BAS6xmn9XPS+n/gVkfPPGuud3 wgHdTfkMTD1H35UVEHAfuZqkSlHjjnD+lRNem3xmOoNwd808B1blLe3Jh RLwQRlgF3VTrQ3RlsyTrQE4sonh8GNC/f9U/RRnECP4aExO0DCkY4BaUG Q==; X-CSE-ConnectionGUID: yoXkN2zOQy6PsK7iH/CfpA== X-CSE-MsgGUID: Nanrgl8AQLaigGThQOKbmA== X-IronPort-AV: E=McAfee;i="6800,10657,11898"; a="89107233" X-IronPort-AV: E=Sophos;i="6.25,267,1779174000"; d="scan'208";a="89107233" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2026 03:16:52 -0700 X-CSE-ConnectionGUID: qJOGdW5pRTm0os/SzdFdaA== X-CSE-MsgGUID: ujSiwgFZSOiYrjw5VVSp9w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,267,1779174000"; d="scan'208";a="267426695" Received: from conormcd-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.245.229]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2026 03:16:50 -0700 From: Jani Nikula To: =?utf-8?B?5b6Q5bqG?= <965456495@qq.com>, regressions Cc: intel-gfx , dri-devel , linux-kernel Subject: Re: [REGRESSION] i915: s2idle lid-open resume leaves eDP panel black until an input event (Raptor Lake; works on 6.18 LTS) In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland References: Date: Mon, 07 Sep 2026 13:16:48 +0300 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Sun, 06 Sep 2026, "=E5=BE=90=E5=BA=86" <965456495@qq.com> wrote: > a regression report, following Documentation/admin-guide/reporting-regres= sions.rst: > > > Regression range: v6.18..v7.2 (last known good: linux-lts 6.18.49-2-lts; > first tested broken: 7.2.3-arch1-2; intermediate 7.0/7.1/7.2 untested) > > > Symptom: > After closing the lid (systemd-logind suspends to s2idle) and reopening i= t, > the machine resumes fine (kernel resume log clean, ~1 s, Wi-Fi and input > work), but the internal eDP panel stays on a static black frame. The scre= en > only lights up after any input event (key press or mouse move), which then > triggers the compositor to repaint. Reproducible on every lid cycle with > kernel 7.2.3; the identical userspace on linux-lts 6.18.49-2-lts does NOT > show the problem. Please file a bug report as described at [1]. BR, Jani. [1] https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html --=20 Jani Nikula, Intel