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 0794DC5DF97 for ; Wed, 26 Aug 2026 22:54:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9F5D110EE2C; Wed, 26 Aug 2026 22:54:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="JawbRqkr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0049D10EE20; Wed, 26 Aug 2026 22:54:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787784850; x=1819320850; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jalXI3WtrzBu+66HnKYV+P1XjzcS493Q8a/iTn4VO7o=; b=JawbRqkrr01baDnRt2a/T/D1dCKIu1PEYEN8tadoRq1hswpfol++kC16 hp/ZEhthAQHdgzQzwlDLAZMUqOUcEezMbyAKTZT27vdn2kyesQJbDurH6 0wZvLQWCVcz0vrpIXnfIzRrb7SqGSxT2TrrL7OP7sYcqL67J+7YQZHeZZ 2Z9TXBvc0OGBiq9SzG2p2hP+6LgqklacgJQyHMRRgaMd+Dl9npIgTC9cv 9GSWHuk3cYdWejYtf/+p4pxEaVjTgy8/O4fn7d1ar+flfWQK35L36fBjV SavMOqgjKqAV4GKX0k45VJCxBb7m17OzcrkrbXzFcZ9DyK0WTJb8srw2Y g==; X-CSE-ConnectionGUID: 9HdkVKrGR2GRn022RQzx1A== X-CSE-MsgGUID: NRXvDEGbRI2QsJkOdd8qoA== X-IronPort-AV: E=McAfee;i="6800,10657,11887"; a="87223505" X-IronPort-AV: E=Sophos;i="6.25,245,1779174000"; d="scan'208";a="87223505" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 15:54:10 -0700 X-CSE-ConnectionGUID: 9YDObM4dSTaYE5+yw3fJBA== X-CSE-MsgGUID: Q88v94nnQpKGP6q7A4gkag== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,245,1779174000"; d="scan'208";a="272946075" Received: from sschumil-mobl2.ger.corp.intel.com (HELO vgovind2-mobl4.intel.com) ([10.245.250.68]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 15:54:07 -0700 From: Vinod Govindapillai To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: vinod.govindapillai@intel.com, imre.deak@intel.com, pranay.samala@intel.com Subject: [PATCH 4/4] drm/i915/display: Avoid HPD polling if the device is PME capable Date: Thu, 27 Aug 2026 01:53:37 +0300 Message-ID: <20260826225338.804902-5-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260826225338.804902-1-vinod.govindapillai@intel.com> References: <20260826225338.804902-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Do not start HPD polling for devices capable of PME wakeup. Assisted-by: GitHub_Copilot:claude-opus-5 Signed-off-by: Vinod Govindapillai --- drivers/gpu/drm/i915/display/intel_display_driver.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c index ba494827c9cb..b29209f06e92 100644 --- a/drivers/gpu/drm/i915/display/intel_display_driver.c +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c @@ -932,7 +932,8 @@ void intel_display_driver_pm_runtime_suspend_late(struct intel_display *display, intel_opregion_notify_adapter(display, PCI_D1); } - if (!display->platform.valleyview && !display->platform.cherryview) + if (!display->platform.valleyview && !display->platform.cherryview && + !pme_capable) intel_hpd_poll_enable(display); } -- 2.43.0