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=-0.8 required=3.0 tests=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 EF351C433DF for ; Mon, 18 May 2020 08:08:06 +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 A8FA8207D4 for ; Mon, 18 May 2020 08:08:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8FA8207D4 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 4A1CF89D83; Mon, 18 May 2020 08:08:06 +0000 (UTC) Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7CDCF89D83 for ; Mon, 18 May 2020 08:08:05 +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 21226195-1500050 for multiple; Mon, 18 May 2020 09:07:33 +0100 MIME-Version: 1.0 In-Reply-To: <20200518075750.17223-5-chris@chris-wilson.co.uk> References: <20200518075750.17223-1-chris@chris-wilson.co.uk> <20200518075750.17223-5-chris@chris-wilson.co.uk> From: Chris Wilson To: intel-gfx@lists.freedesktop.org Message-ID: <158978925274.10809.10440443638846746841@build.alporthouse.com> User-Agent: alot/0.8.1 Date: Mon, 18 May 2020 09:07:32 +0100 Subject: Re: [Intel-gfx] [PATCH 5/8] drm/i915/gt: Incorporate the virtual engine into timeslicing 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 Chris Wilson (2020-05-18 08:57:47) > @@ -5519,7 +5537,9 @@ static void virtual_submission_tasklet(unsigned long data) > submit_engine: > GEM_BUG_ON(RB_EMPTY_NODE(&node->rb)); > node->prio = prio; > - if (first && prio > sibling->execlists.queue_priority_hint) > + if (first && > + prio >= min(sibling->execlists.switch_priority_hint, > + sibling->execlists.queue_priority_hint)) Ignore this chunk. The wakeup is just based on the queue_priority_hint. If there is only one request on the engine, it will be INT_MIN. If there are more than one at the same priority as the hint, it will be timeslicing already. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx