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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 E9F3CC433DB for ; Fri, 8 Jan 2021 17:51:51 +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 82F8323A61 for ; Fri, 8 Jan 2021 17:51:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82F8323A61 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=etezian.org 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 E43C96E864; Fri, 8 Jan 2021 17:51:50 +0000 (UTC) X-Greylist: delayed 8398 seconds by postgrey-1.36 at gabe; Fri, 08 Jan 2021 17:51:48 UTC Received: from 3.mo173.mail-out.ovh.net (3.mo173.mail-out.ovh.net [46.105.34.1]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC9CD6E864 for ; Fri, 8 Jan 2021 17:51:48 +0000 (UTC) Received: from player794.ha.ovh.net (unknown [10.109.146.163]) by mo173.mail-out.ovh.net (Postfix) with ESMTP id 6A61A15A57A for ; Fri, 8 Jan 2021 16:24:39 +0100 (CET) Received: from etezian.org (213-243-141-64.bb.dnainternet.fi [213.243.141.64]) (Authenticated sender: andi@etezian.org) by player794.ha.ovh.net (Postfix) with ESMTPSA id AA2D216C16A36; Fri, 8 Jan 2021 15:24:37 +0000 (UTC) Authentication-Results: garm.ovh; auth=pass (GARM-96R0018ca1e0b8-d55b-436a-933d-3d17169521a3, 83D1C09382E53F50CE2429AE6C9B6AA8FD9DCB87) smtp.auth=andi@etezian.org X-OVh-ClientIp: 213.243.141.64 Date: Fri, 8 Jan 2021 17:24:36 +0200 From: Andi Shyti To: Chris Wilson Message-ID: References: <20210107221724.10036-1-chris@chris-wilson.co.uk> <20210107221724.10036-4-chris@chris-wilson.co.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210107221724.10036-4-chris@chris-wilson.co.uk> X-Ovh-Tracer-Id: 8734450006227075593 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedujedrvdeghedgtdekucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeetnhguihcuufhhhihtihcuoegrnhguihesvghtvgiiihgrnhdrohhrgheqnecuggftrfgrthhtvghrnheptdfgudduhfefueeujeefieehtdeftefggeevhefgueellefhudetgeeikeduieefnecukfhppedtrddtrddtrddtpddvudefrddvgeefrddugedurdeigeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehplhgrhigvrhejleegrdhhrgdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomheprghnughisegvthgviihirghnrdhorhhgpdhrtghpthhtohepihhnthgvlhdqghhfgieslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrgh Subject: Re: [Intel-gfx] [PATCH 4/5] drm/i915/gt: Only disable preemption on gen8 render engines 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: , Cc: intel-gfx@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Chris, On Thu, Jan 07, 2021 at 10:17:23PM +0000, Chris Wilson wrote: > The reason why we did not enable preemption on Broadwater was due to > missing GPGPU workarounds. Since this only applies to rcs0, only > restrict rcs0 (and our global capabilities). > > While this does not affect exposing a preemption capability to > userspace, it does affect our internal decisions on whether to use > timeslicing and semaphores between individual engines. > > Signed-off-by: Chris Wilson Reviewed-by: Andi Shyti Thanks, Andi _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx