From patchwork Tue Mar 14 13:17:29 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 9623241 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 C613E60244 for ; Tue, 14 Mar 2017 13:17:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD9AB28560 for ; Tue, 14 Mar 2017 13:17:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B03DD28565; Tue, 14 Mar 2017 13:17:42 +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 68B4128560 for ; Tue, 14 Mar 2017 13:17:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 20C846E736; Tue, 14 Mar 2017 13:17:41 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id D6D2F6E736 for ; Tue, 14 Mar 2017 13:17:40 +0000 (UTC) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP; 14 Mar 2017 06:17:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,163,1486454400"; d="scan'208";a="60135367" Received: from rosetta.fi.intel.com ([10.237.72.176]) by orsmga002.jf.intel.com with ESMTP; 14 Mar 2017 06:17:39 -0700 Received: by rosetta.fi.intel.com (Postfix, from userid 1000) id E66C284262F; Tue, 14 Mar 2017 15:17:30 +0200 (EET) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Tue, 14 Mar 2017 15:17:29 +0200 Message-Id: <1489497449-31640-7-git-send-email-mika.kuoppala@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1489497449-31640-1-git-send-email-mika.kuoppala@intel.com> References: <1489497449-31640-1-git-send-email-mika.kuoppala@intel.com> Subject: [Intel-gfx] [PATCH 7/7] drm/i915: Upclock on the first residency calculation 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 After ei reset, upclock as default if we don't have a previous timestamp at hand. We might at sometimes waste one interval of more power but also be more agile if we need to ramp up. Signed-off-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_irq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5ec12cf..aacb654 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1118,6 +1118,8 @@ static u32 vlv_wa_c0_ei(struct drm_i915_private *dev_priv, u32 pm_iir) events = GEN6_PM_RP_UP_THRESHOLD; else if (c0 < time * dev_priv->rps.down_threshold) events = GEN6_PM_RP_DOWN_THRESHOLD; + } else { + events = GEN6_PM_RP_UP_THRESHOLD; } dev_priv->rps.ei = now;