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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 446F8C433E1 for ; Fri, 17 Jul 2020 12:25:56 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E8B09206BE for ; Fri, 17 Jul 2020 12:25:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E8B09206BE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 988CA6E1EC; Fri, 17 Jul 2020 12:25:55 +0000 (UTC) Received: from fireflyinternet.com (unknown [77.68.26.236]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD5816E1EC for ; Fri, 17 Jul 2020 12:25:53 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from localhost (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP (TLS) id 21849545-1500050 for multiple; Fri, 17 Jul 2020 13:25:49 +0100 MIME-Version: 1.0 In-Reply-To: <20200717120425.20947-1-anshuman.gupta@intel.com> References: <20200717120425.20947-1-anshuman.gupta@intel.com> From: Chris Wilson To: Anshuman Gupta , intel-gfx@lists.freedesktop.org Date: Fri, 17 Jul 2020 13:25:49 +0100 Message-ID: <159498874988.13677.17593838934739115349@build.alporthouse.com> User-Agent: alot/0.9 Subject: Re: [Intel-gfx] [RFC] drm/i915: Disable connector polling at runtime suspend X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Quoting Anshuman Gupta (2020-07-17 13:04:25) > While i915 device is in runtime suspend, DRM connector polling > causing device to wakeup from runtime suspend. > This harm overall cpu idle statistics, therefore > disabling polling while in runtime suspend. So what about the devices where there is no hotplug interrupt during runtime suspend? How should the device wake up when something is plugged in? As I recall the transition to polling is only meant to occur on those devices with no automatic wakeup. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx