From patchwork Tue Sep 19 17:41:46 2017 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: 9959835 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 2F2FA601E9 for ; Tue, 19 Sep 2017 17:39:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 19FA528963 for ; Tue, 19 Sep 2017 17:39:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0EBA128E0C; Tue, 19 Sep 2017 17:39:07 +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 AD0C828963 for ; Tue, 19 Sep 2017 17:39:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4EDB46E620; Tue, 19 Sep 2017 17:39:05 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id C24726E61B for ; Tue, 19 Sep 2017 17:39:02 +0000 (UTC) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Sep 2017 10:39:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.42,418,1500966000"; d="scan'208"; a="1016260878" Received: from sakamble-desktop.iind.intel.com ([10.223.26.118]) by orsmga003.jf.intel.com with ESMTP; 19 Sep 2017 10:39:00 -0700 From: Sagar Arun Kamble To: intel-gfx@lists.freedesktop.org Date: Tue, 19 Sep 2017 23:11:46 +0530 Message-Id: <1505842927-13327-11-git-send-email-sagar.a.kamble@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1505842927-13327-1-git-send-email-sagar.a.kamble@intel.com> References: <1505842927-13327-1-git-send-email-sagar.a.kamble@intel.com> Subject: [Intel-gfx] [PATCH 10/31] drm/i915: Create generic functions to control RC6, RPS 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 Prepared generic functions intel_enable_rc6, intel_disable_rc6, intel_enable_rps and intel_disable_rps functions to setup RC6/RPS based on platforms. Cc: Imre Deak Cc: Chris Wilson Signed-off-by: Sagar Arun Kamble --- drivers/gpu/drm/i915/intel_pm.c | 95 ++++++++++++++++++++++++++--------------- 1 file changed, 61 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 54e7577..0c46f81 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7981,74 +7981,101 @@ void intel_sanitize_gt_powersave(struct drm_i915_private *dev_priv) gen6_reset_rps_interrupts(dev_priv); } -void intel_disable_gt_powersave(struct drm_i915_private *dev_priv) +void intel_disable_rc6(struct drm_i915_private *dev_priv) { - if (!READ_ONCE(dev_priv->pm.rps.enabled)) - return; - - mutex_lock(&dev_priv->pm.pcu_lock); - - if (INTEL_GEN(dev_priv) >= 9) { + if (INTEL_GEN(dev_priv) >= 9) gen9_disable_rc6(dev_priv); - gen9_disable_rps(dev_priv); - } else if (IS_CHERRYVIEW(dev_priv)) { + else if (IS_CHERRYVIEW(dev_priv)) cherryview_disable_rc6(dev_priv); - cherryview_disable_rps(dev_priv); - } else if (IS_VALLEYVIEW(dev_priv)) { + else if (IS_VALLEYVIEW(dev_priv)) valleyview_disable_rc6(dev_priv); - valleyview_disable_rps(dev_priv); - } else if (INTEL_GEN(dev_priv) >= 6) { + else if (INTEL_GEN(dev_priv) >= 6) gen6_disable_rc6(dev_priv); +} + +void intel_disable_rps(struct drm_i915_private *dev_priv) +{ + if (INTEL_GEN(dev_priv) >= 9) + gen9_disable_rps(dev_priv); + else if (IS_CHERRYVIEW(dev_priv)) + cherryview_disable_rps(dev_priv); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_disable_rps(dev_priv); + else if (INTEL_GEN(dev_priv) >= 6) gen6_disable_rps(dev_priv); - } else if (IS_IRONLAKE_M(dev_priv)) { + else if (IS_IRONLAKE_M(dev_priv)) ironlake_disable_drps(dev_priv); - } - - dev_priv->pm.rps.enabled = false; - mutex_unlock(&dev_priv->pm.pcu_lock); } -void intel_enable_gt_powersave(struct drm_i915_private *dev_priv) +void intel_disable_gt_powersave(struct drm_i915_private *dev_priv) { - /* We shouldn't be disabling as we submit, so this should be less - * racy than it appears! - */ - if (READ_ONCE(dev_priv->pm.rps.enabled)) - return; - - /* Powersaving is controlled by the host when inside a VM */ - if (intel_vgpu_active(dev_priv)) + if (!READ_ONCE(dev_priv->pm.rps.enabled)) return; mutex_lock(&dev_priv->pm.pcu_lock); - if (IS_CHERRYVIEW(dev_priv)) { + intel_disable_rc6(dev_priv); + intel_disable_rps(dev_priv); + + dev_priv->pm.rps.enabled = false; + mutex_unlock(&dev_priv->pm.pcu_lock); +} + +void intel_enable_rc6(struct drm_i915_private *dev_priv) +{ + if (IS_CHERRYVIEW(dev_priv)) cherryview_enable_rc6(dev_priv); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_enable_rc6(dev_priv); + else if (INTEL_GEN(dev_priv) >= 9) + gen9_enable_rc6(dev_priv); + else if (IS_BROADWELL(dev_priv)) + gen8_enable_rc6(dev_priv); + else if (INTEL_GEN(dev_priv) >= 6) + gen6_enable_rc6(dev_priv); +} + +void intel_enable_rps(struct drm_i915_private *dev_priv) +{ + if (IS_CHERRYVIEW(dev_priv)) { cherryview_enable_rps(dev_priv); } else if (IS_VALLEYVIEW(dev_priv)) { - valleyview_enable_rc6(dev_priv); valleyview_enable_rps(dev_priv); } else if (INTEL_GEN(dev_priv) >= 9) { - gen9_enable_rc6(dev_priv); gen9_enable_rps(dev_priv); } else if (IS_BROADWELL(dev_priv)) { - gen8_enable_rc6(dev_priv); gen8_enable_rps(dev_priv); } else if (INTEL_GEN(dev_priv) >= 6) { - gen6_enable_rc6(dev_priv); gen6_enable_rps(dev_priv); } else if (IS_IRONLAKE_M(dev_priv)) { ironlake_enable_drps(dev_priv); intel_init_emon(dev_priv); } - intel_update_ring_freq(dev_priv); - WARN_ON(dev_priv->pm.rps.max_freq < dev_priv->pm.rps.min_freq); WARN_ON(dev_priv->pm.rps.idle_freq > dev_priv->pm.rps.max_freq); WARN_ON(dev_priv->pm.rps.efficient_freq < dev_priv->pm.rps.min_freq); WARN_ON(dev_priv->pm.rps.efficient_freq > dev_priv->pm.rps.max_freq); +} + +void intel_enable_gt_powersave(struct drm_i915_private *dev_priv) +{ + /* We shouldn't be disabling as we submit, so this should be less + * racy than it appears! + */ + if (READ_ONCE(dev_priv->pm.rps.enabled)) + return; + + /* Powersaving is controlled by the host when inside a VM */ + if (intel_vgpu_active(dev_priv)) + return; + + mutex_lock(&dev_priv->pm.pcu_lock); + + intel_enable_rc6(dev_priv); + intel_enable_rps(dev_priv); + intel_update_ring_freq(dev_priv); dev_priv->pm.rps.enabled = true; mutex_unlock(&dev_priv->pm.pcu_lock);