From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755483AbdDJRHq (ORCPT ); Mon, 10 Apr 2017 13:07:46 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36330 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755233AbdDJQwD (ORCPT ); Mon, 10 Apr 2017 12:52:03 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zhi Wang , Chuanxiao Dong , Zhenyu Wang Subject: [PATCH 4.10 061/110] drm/i915/gvt: Fix gvt scheduler interval time Date: Mon, 10 Apr 2017 18:42:52 +0200 Message-Id: <20170410164204.624152174@linuxfoundation.org> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170410164201.247583164@linuxfoundation.org> References: <20170410164201.247583164@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhenyu Wang commit 2958b9013fcbabeeba221161d0712f5259f1e15d upstream. Fix to correctly assign 1ms for gvt scheduler interval time, as previous code using HZ is pretty broken. And use no delay for start gvt scheduler function. Fixes: 4b63960ebd3f ("drm/i915/gvt: vGPU schedule policy framework") Cc: Zhi Wang Acked-by: Chuanxiao Dong Signed-off-by: Zhenyu Wang Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/gvt/sched_policy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/gvt/sched_policy.c +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c @@ -101,7 +101,7 @@ struct tbs_sched_data { struct list_head runq_head; }; -#define GVT_DEFAULT_TIME_SLICE (1 * HZ / 1000) +#define GVT_DEFAULT_TIME_SLICE (msecs_to_jiffies(1)) static void tbs_sched_func(struct work_struct *work) { @@ -224,7 +224,7 @@ static void tbs_sched_start_schedule(str return; list_add_tail(&vgpu_data->list, &sched_data->runq_head); - schedule_delayed_work(&sched_data->work, sched_data->period); + schedule_delayed_work(&sched_data->work, 0); } static void tbs_sched_stop_schedule(struct intel_vgpu *vgpu)