From patchwork Tue Jul 31 10:37:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nayan Deshmukh X-Patchwork-Id: 10550615 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 61193139A for ; Tue, 31 Jul 2018 10:38:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5053B2A8BE for ; Tue, 31 Jul 2018 10:38:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 448442A8C5; Tue, 31 Jul 2018 10:38:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 00D052A8BE for ; Tue, 31 Jul 2018 10:38:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E9E056E343; Tue, 31 Jul 2018 10:38:07 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1E0256E33F; Tue, 31 Jul 2018 10:38:04 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id x17-v6so5918457pfh.5; Tue, 31 Jul 2018 03:38:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=FfNZ3vkejcDdZ3RL+qvpToofYePjIk6qctM3r052JZ4=; b=czWCqt6Rt3WktxfepY6G0l0h9y1oFxnfSoxeZJBcRcxYzZUaGUzxSq/u0NacMuh/Gd R7ojrxwYTsA9/8r0zXSDj407d/PU+ksVo/t9uA8mEPpq0L34gca7AgLxHJhu4jN9hFHX 0kBU00ySPlmSpThEOU9a8ZYLdYy5pz8/LmyjxbTGPgmoYyYHCV6pK2E+eU9J+Pclj3AK cdvueiWwM4ztkFfr1GAj58kLSRqU+BNtv4LIiDk3utyqigQcUrw4n3mkv6jaN6aq2p4l pRLeAzaKV/xgvwIKxSt0Bpsvu1a5fI7XzK1Ez3NHzq7r/RPEMIZxmZpnVYNL1D02OZYa 6mhw== X-Gm-Message-State: AOUpUlFFRDkapZ5ERIeAI4UUjG4k7A1hkFCIfM5hGfcKX+Jlv1MS7wXp hJgLAEKy30ZMClEciJjs0I02ELJk4tA= X-Google-Smtp-Source: AAOMgpfEGedhAUzt4fZO9gnT+zP/D/vIF9nL0KY/BE4aQzvrdkA1ZL9H2zrRTbsHBmd45iMiuqDPdg== X-Received: by 2002:a63:be4a:: with SMTP id g10-v6mr19678338pgo.378.1533033483123; Tue, 31 Jul 2018 03:38:03 -0700 (PDT) Received: from localhost.localdomain ([47.247.27.231]) by smtp.gmail.com with ESMTPSA id u13-v6sm23196084pfg.79.2018.07.31.03.37.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 31 Jul 2018 03:38:02 -0700 (PDT) From: Nayan Deshmukh To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/4] drm/scheduler: add a list of run queues to the entity Date: Tue, 31 Jul 2018 16:07:33 +0530 Message-Id: <20180731103736.7813-2-nayan26deshmukh@gmail.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180731103736.7813-1-nayan26deshmukh@gmail.com> References: <20180731103736.7813-1-nayan26deshmukh@gmail.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nayan Deshmukh , amd-gfx@lists.freedesktop.org, christian.koenig@amd.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP These are the potential run queues on which the jobs from this entity can be scheduled. We will use this to do load balancing. Signed-off-by: Nayan Deshmukh --- drivers/gpu/drm/scheduler/gpu_scheduler.c | 8 ++++++++ include/drm/gpu_scheduler.h | 7 ++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c index 3f2fc5e8242a..a3eacc35cf98 100644 --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c @@ -179,6 +179,8 @@ int drm_sched_entity_init(struct drm_sched_entity *entity, unsigned int num_rq_list, atomic_t *guilty) { + int i; + if (!(entity && rq_list && num_rq_list > 0 && rq_list[0])) return -EINVAL; @@ -186,6 +188,11 @@ int drm_sched_entity_init(struct drm_sched_entity *entity, INIT_LIST_HEAD(&entity->list); entity->rq = rq_list[0]; entity->guilty = guilty; + entity->num_rq_list = num_rq_list; + entity->rq_list = kcalloc(num_rq_list, sizeof(struct drm_sched_rq *), + GFP_KERNEL); + for (i = 0; i < num_rq_list; ++i) + entity->rq_list[i] = rq_list[i]; entity->last_scheduled = NULL; spin_lock_init(&entity->rq_lock); @@ -363,6 +370,7 @@ void drm_sched_entity_fini(struct drm_sched_entity *entity) dma_fence_put(entity->last_scheduled); entity->last_scheduled = NULL; + kfree(entity->rq_list); } EXPORT_SYMBOL(drm_sched_entity_fini); diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 091b9afcd184..a60896222a3e 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -50,7 +50,10 @@ enum drm_sched_priority { * * @list: used to append this struct to the list of entities in the * runqueue. - * @rq: runqueue to which this entity belongs. + * @rq: runqueue on which this entity is currently scheduled. + * @rq_list: a list of run queues on which jobs from this entity can + * be scheduled + * @num_rq_list: number of run queues in the rq_list * @rq_lock: lock to modify the runqueue to which this entity belongs. * @job_queue: the list of jobs of this entity. * @fence_seq: a linearly increasing seqno incremented with each @@ -74,6 +77,8 @@ enum drm_sched_priority { struct drm_sched_entity { struct list_head list; struct drm_sched_rq *rq; + struct drm_sched_rq **rq_list; + unsigned int num_rq_list; spinlock_t rq_lock; struct spsc_queue job_queue;