From patchwork Wed Jun 1 13:10:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 9147417 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0BFCD60757 for ; Wed, 1 Jun 2016 13:10:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F1E60200F4 for ; Wed, 1 Jun 2016 13:10:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E6C512699B; Wed, 1 Jun 2016 13:10:50 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ABFF1200F4 for ; Wed, 1 Jun 2016 13:10:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 175BE6E9A2; Wed, 1 Jun 2016 13:10:48 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id 37D716E9AA for ; Wed, 1 Jun 2016 13:10:28 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id D8EA55E00F6; Wed, 1 Jun 2016 15:10:27 +0200 (CEST) X-Virus-Scanned: amavisd-new at vodafone.de Authentication-Results: rohrpostix2.prod.vfnet.de (amavisd-new); dkim=pass header.i=@vodafone.de Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix2.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wWXOjSq8Eo-x; Wed, 1 Jun 2016 15:10:26 +0200 (CEST) Received: from smtp-02.vodafone.de (smtp-02.vodafone.de [10.215.254.37]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 2A4D15E0124; Wed, 1 Jun 2016 15:10:21 +0200 (CEST) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de 2A4D15E0124 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1464786621; bh=+9yFPk0Gd1zfbiVq1SA7gA/Em3o36Z/Z3a8X/+qbblE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cCX6De83PA+JUxqFd8pASj+Pm4SiJsVmcOQyhpm7/ziRj+sTfKxhe7OGZG4uvw/09 QtVIxGGUf9BpwMLV9vHFvPDEJRYTEMptzbU03Tcjk5403GSAXvuYa8VnvfbkubOm78 5Fs4soEBs0fmmtv3+4Y0DpEyz/PmSxqVDicgnY+k= X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-02.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz6.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ig4vuFEAx-zl; Wed, 1 Jun 2016 15:10:20 +0200 (CEST) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org Subject: [PATCH 08/11] drm/amdgpu: prefer VMIDs idle on the current ring Date: Wed, 1 Jun 2016 15:10:09 +0200 Message-Id: <1464786612-5010-9-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1464786612-5010-1-git-send-email-deathsimple@vodafone.de> References: <1464786612-5010-1-git-send-email-deathsimple@vodafone.de> MIME-Version: 1.0 Cc: linux-kernel@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König Prefer to use a VMIDs which are idle on the ring we want to submit to. This also removes bubbling idle VMIDs up on the LRU, which is actually not beneficial. Signed-off-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 2bcb623..b6484a2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -236,21 +236,15 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, } while (i != ring->idx); - id = list_first_entry(&adev->vm_manager.ids_lru, - struct amdgpu_vm_id, - list); - - if (!amdgpu_sync_is_idle(&id->active, NULL)) { - struct list_head *head = &adev->vm_manager.ids_lru; - struct amdgpu_vm_id *tmp; - - list_for_each_entry_safe(id, tmp, &adev->vm_manager.ids_lru, - list) { - if (amdgpu_sync_is_idle(&id->active, NULL)) { - list_move(&id->list, head); - head = &id->list; - } - } + /* Check if we have an idle VMID */ + list_for_each_entry(id, &adev->vm_manager.ids_lru, list) { + if (amdgpu_sync_is_idle(&id->active, ring)) + break; + + } + + /* If we can't find a idle VMID to use, just wait for the oldest */ + if (&id->list == &adev->vm_manager.ids_lru) { id = list_first_entry(&adev->vm_manager.ids_lru, struct amdgpu_vm_id, list);