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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8266ED0BB47 for ; Wed, 23 Oct 2024 23:12:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4DC8610E876; Wed, 23 Oct 2024 23:12:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Qe95km4z"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9071D10E877 for ; Wed, 23 Oct 2024 23:12:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729725133; x=1761261133; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=uLpQYS6M09p8BGlgKfXnfadJdprUNZ39QXCYvWxKRMI=; b=Qe95km4z5Q0uPIkMJKBcGdzbHNgbpn7sbBiwUNVZ1/EZ2NFOcnc47u/j qfI3j02Iwv5oOw/wks2sS+3GT0cGrBqSfdpg5czjqkK2MQTlFwCF1C5dc BvyTqyLM+mJQy8W4zE8gNZEo2/WPhznlsMZ9FZx/4/sR3ndOGZJvd9gc9 fOxCFmfBaFtgppmAAr9iPamDrWajy/rYMRhL4gil390i/vUZqFLpvFVPc ax9gAs/RrAJvr8MD4nMHcin8sB436l+Y9Bg2Vw00SU05zcbGQiRaxFtz3 IIEVIZWCQORZQ/I8YZA0q0ufvwXUt9FK2xDsI1U3cffQmp3z0Wp/+7UFz Q==; X-CSE-ConnectionGUID: HDW+FazsS/K2U1MX7UYx/Q== X-CSE-MsgGUID: q/H7nafFQiqAt9rX5TiKdg== X-IronPort-AV: E=McAfee;i="6700,10204,11234"; a="28775161" X-IronPort-AV: E=Sophos;i="6.11,227,1725346800"; d="scan'208";a="28775161" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2024 16:12:12 -0700 X-CSE-ConnectionGUID: wPhQKrwhQpSN3vOmadYFGA== X-CSE-MsgGUID: pngKqvKuQBqVvz9e5lVOqg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,227,1725346800"; d="scan'208";a="111217996" Received: from mwajdecz-mobl.ger.corp.intel.com ([10.245.97.255]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2024 16:12:11 -0700 From: Michal Wajdeczko To: intel-xe@lists.freedesktop.org Cc: Michal Wajdeczko Subject: [PATCH 5/5] drm/xe/pf: Adjust scheduling priority based on policy change Date: Thu, 24 Oct 2024 01:11:52 +0200 Message-Id: <20241023231152.1815-6-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20241023231152.1815-1-michal.wajdeczko@intel.com> References: <20241023231152.1815-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Local values of scheduling priorities need to be adjusted when changing the schedule_if_idle policy as those are related. Disabling schedule_if_idle policy forces the low priority, and enabling schedule_if_idle policy forces the normal priority. Signed-off-by: Michal Wajdeczko --- drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c | 25 +++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c index fae5be5a2a11..c49983ceac39 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c @@ -135,14 +135,33 @@ static int pf_update_policy_u32(struct xe_gt *gt, u16 key, u32 *policy, u32 valu return 0; } +static void pf_bulk_reset_priority(struct xe_gt *gt, u32 priority) +{ + unsigned int total_vfs = 1 + xe_gt_sriov_pf_get_totalvfs(gt); + unsigned int n; + + xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); + lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt)); + + for (n = 0; n < total_vfs; n++) + gt->sriov.pf.vfs[n].config.priority = priority; +} + static int pf_provision_sched_if_idle(struct xe_gt *gt, bool enable) { + int err; + xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt)); - return pf_update_policy_bool(gt, GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_KEY, - >->sriov.pf.policy.guc.sched_if_idle, - enable); + err = pf_update_policy_bool(gt, GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_KEY, + >->sriov.pf.policy.guc.sched_if_idle, + enable); + + if (!err) + pf_bulk_reset_priority(gt, enable ? GUC_SCHED_PRIORITY_NORMAL : + GUC_SCHED_PRIORITY_LOW); + return err; } static int pf_reprovision_sched_if_idle(struct xe_gt *gt) -- 2.43.0