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 2FA3FEE49BC for ; Wed, 11 Sep 2024 15:10:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 933EF10E00D; Wed, 11 Sep 2024 15:10:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="HLZVxYIS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id A001C10E00D for ; Wed, 11 Sep 2024 15:10:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726067408; x=1757603408; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version:content-transfer-encoding; bh=NZ7kkiXXdDgPf6GNpzF254KzoULypxCl4ogek1BaPig=; b=HLZVxYISeu85KE/itkNpOg6z6u5M/HppscMDyhdkNmUBR5f24WWwkEvC LeHfh0+oiZVibAQuGN85cfUJNUsmywEhPF7W6et+IQtCa52WlpYt+TX4p hZU836UJwbVgIcYbXxp5tg8T8h4HNIcp1eBdCtJT+U+jOBz8rFA3F0Gdz FJ1SUPrbxVM4jXLpDHunuaufeanv4H0pGjC6iPDmBc5q2mRViLzXEeJR4 IFbmss2g6GWXXLgzdid0SpNedD8RTDkfLi5gsqblcwfd8O5UCQ3vca11b 9EisD2NIuwWUHAcfUMwIYriCwoYlr1dUx3QAaCYn/dRM3Nz6s658c8Kmm g==; X-CSE-ConnectionGUID: J4trQkXqS2GW5UY9lzYZqw== X-CSE-MsgGUID: 3vHpeGDMTxGBL1bos8XYWg== X-IronPort-AV: E=McAfee;i="6700,10204,11192"; a="42349102" X-IronPort-AV: E=Sophos;i="6.10,220,1719903600"; d="scan'208";a="42349102" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Sep 2024 08:10:07 -0700 X-CSE-ConnectionGUID: 176Wxb2DTnCVteMh9Jla4Q== X-CSE-MsgGUID: 8ceH8U3+QCixrILnTdftWw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,220,1719903600"; d="scan'208";a="67337015" Received: from lfiedoro-mobl.ger.corp.intel.com (HELO localhost) ([10.245.246.188]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Sep 2024 08:10:05 -0700 From: Jani Nikula To: "Sundaresan, Sujaritha" , "Gupta, Anshuman" , "Sousa, Gustavo" , "De Marchi, Lucas" Cc: Kamil Konieczny , "Piecielska, Katarzyna" , igt-dev@lists.freedesktop.org, imre.deak@linux.intel.com Subject: Re: [PATCH i-g-t, v4] tests/intel/xe_pm: Add tests for suspend without display In-Reply-To: <0368307c-3c7c-4167-a122-8f27a7bc36e3@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20240822092058.26784-1-sujaritha.sundaresan@intel.com> <20240822165243.kfcmvdlxsxh6p4mv@kamilkon-DESK.igk.intel.com> <172434871596.2055.1015145340873010177@gjsousa-mobl2> <4e6gyyd3qf7bfyrtwbun4w42clu55v7r5glgrfikstw5hs5xyn@wdfocxn3uqsg> <172468301865.6014.9946879676247551400@gjsousa-mobl2> <82a8af36-642a-4747-b085-924c02e6308e@intel.com> <172476290898.3066.9682588878616653824@gjsousa-mobl2> <44e18951-3b9d-4aff-a590-efd39e0a7a70@intel.com> <0368307c-3c7c-4167-a122-8f27a7bc36e3@intel.com> Date: Wed, 11 Sep 2024 18:10:00 +0300 Message-ID: <87y13yi5vb.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" On Wed, 11 Sep 2024, "Sundaresan, Sujaritha" wrote: > On 8/28/2024 2:16 PM, Sundaresan, Sujaritha wrote: >> >> On 8/27/2024 6:24 PM, Gupta, Anshuman wrote: >>> >>>> -----Original Message----- >>>> From: Sousa, Gustavo >>>> Sent: Tuesday, August 27, 2024 6:18 PM >>>> To: De Marchi, Lucas ; Gupta, Anshuman >>>> ; Sundaresan, Sujaritha >>>> >>>> Cc: Kamil Konieczny ; igt-dev@ >>>> ; Piecielska,=20 >>>> Katarzyna >>>> >>>> Subject: RE: [PATCH i-g-t, v4] tests/intel/xe_pm: Add tests for=20 >>>> suspend without >>>> display >>>> >>>> Quoting Gupta, Anshuman (2024-08-27 06:29:06-03:00) >>>> >>>>> For s0ix DC9 is the pre-requisite rather then DC6, DC9 does not have >>>>> any depende ncy on DMC. >>>> Maybe DC6 and DC9 are pre-requisites for different S0ix sub-states? >>>> >>>> - BSpec 68851 says that DC6 is requirement for S0ix. >>>> - BSpec 68857 says that DC9 supports S0ix with more power savings than >>>> =C2=A0=C2=A0 DC6. >>> DC6 is pre-requisite for runtime s0ix with PSR Display On use cases.=20 >>> Which is irrelevant for system wide suspend. >>> Thanks, >>> Anshuman. >>>> --=20 >>>> Gustavo Sousa >> >> Hi all, >> >> Thanks for the comments. So if I have it right the only final change=20 >> here is to switch the param to disable_display right ? >> >> Thanks, >> >> Suja >> > Hi all, > > Gentle ping on the above question. disable_display=3D1 will still keep running display suspend/resume paths. You just have all connectors disconnected. I'm not sure if you can really fully achieve the goal of testing suspend/resume without display. BR, Jani. --=20 Jani Nikula, Intel