From patchwork Sun Aug 21 06:20:18 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sagar.a.kamble@intel.com X-Patchwork-Id: 9292031 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 22BA3600CB for ; Sun, 21 Aug 2016 06:18:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1665E28B9B for ; Sun, 21 Aug 2016 06:18:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0B67028BBF; Sun, 21 Aug 2016 06:18:51 +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=-4.2 required=2.0 tests=BAYES_00, 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 B7B8628B9B for ; Sun, 21 Aug 2016 06:18:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 29C1A6E2E8; Sun, 21 Aug 2016 06:18:50 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8CF916E1DD for ; Sun, 21 Aug 2016 06:18:32 +0000 (UTC) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP; 20 Aug 2016 23:18:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,553,1464678000"; d="scan'208";a="187628" Received: from sakamble-desktop.iind.intel.com ([10.223.82.59]) by fmsmga006.fm.intel.com with ESMTP; 20 Aug 2016 23:18:30 -0700 From: Sagar Arun Kamble To: intel-gfx@lists.freedesktop.org Date: Sun, 21 Aug 2016 11:50:18 +0530 Message-Id: <1471760418-27509-26-git-send-email-sagar.a.kamble@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1471760418-27509-1-git-send-email-sagar.a.kamble@intel.com> References: <1471669765-5935-1-git-send-email-sagar.a.kamble@intel.com> <1471760418-27509-1-git-send-email-sagar.a.kamble@intel.com> Subject: [Intel-gfx] drm/i915/slpc: Update freq min/max softlimits X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP v2: Removing checks for vma obj and kmap_atomic validity. (Chris) Signed-off-by: Sagar Arun Kamble --- drivers/gpu/drm/i915/intel_slpc.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_slpc.c b/drivers/gpu/drm/i915/intel_slpc.c index 5ab8362..7062d8b 100644 --- a/drivers/gpu/drm/i915/intel_slpc.c +++ b/drivers/gpu/drm/i915/intel_slpc.c @@ -293,6 +293,10 @@ void intel_slpc_disable(struct drm_i915_private *dev_priv) void intel_slpc_enable(struct drm_i915_private *dev_priv) { + struct drm_i915_gem_object *obj; + struct page *page; + void *pv = NULL; + struct slpc_shared_data data; u64 val; host2guc_slpc_reset(dev_priv); @@ -336,6 +340,25 @@ void intel_slpc_enable(struct drm_i915_private *dev_priv) intel_slpc_set_param(dev_priv, SLPC_PARAM_GLOBAL_ENABLE_BALANCER_IN_NON_GAMING_MODE, 0); + + obj = dev_priv->guc.slpc.vma->obj; + intel_slpc_query_task_state(dev_priv); + + pv = kmap_atomic(i915_gem_object_get_page(obj, 0)); + data = *(struct slpc_shared_data *) pv; + kunmap_atomic(pv); + + /* + * TODO: Define separate variables for slice and unslice + * frequencies for driver state variable. + */ + dev_priv->rps.max_freq_softlimit = + data.task_state_data.freq_unslice_max; + dev_priv->rps.min_freq_softlimit = + data.task_state_data.freq_unslice_min; + + dev_priv->rps.max_freq_softlimit *= GEN9_FREQ_SCALER; + dev_priv->rps.min_freq_softlimit *= GEN9_FREQ_SCALER; } void intel_slpc_reset(struct drm_i915_private *dev_priv)