From patchwork Wed Apr 10 10:59:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 10893615 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EFBC6139A for ; Wed, 10 Apr 2019 10:59:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DAFD31FF30 for ; Wed, 10 Apr 2019 10:59:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CDA8928787; Wed, 10 Apr 2019 10:59:37 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 9224B1FF30 for ; Wed, 10 Apr 2019 10:59:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7D99E8924A; Wed, 10 Apr 2019 10:59:35 +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 2F1E48919D for ; Wed, 10 Apr 2019 10:59:34 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Apr 2019 03:59:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,332,1549958400"; d="scan'208";a="159889627" Received: from rosetta.fi.intel.com ([10.237.72.186]) by fmsmga002.fm.intel.com with ESMTP; 10 Apr 2019 03:59:32 -0700 Received: by rosetta.fi.intel.com (Postfix, from userid 1000) id 988DE8400FF; Wed, 10 Apr 2019 13:59:27 +0300 (EEST) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Wed, 10 Apr 2019 13:59:18 +0300 Message-Id: <20190410105923.18546-2-mika.kuoppala@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190410105923.18546-1-mika.kuoppala@linux.intel.com> References: <20190410105923.18546-1-mika.kuoppala@linux.intel.com> Subject: [Intel-gfx] [PATCH 2/7] drm/i915/icl: Apply a recommended rc6 threshold X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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 On gen11 the recommended rc6 threshold differs from previous gens, apply it. Move the write to a correct spot in sequence. v2: do write in 2b, fix bspec ref (Michal) Bspec: 33149 Cc: Michal Wajdeczko Signed-off-by: Mika Kuoppala Acked-by: Chris Wilson Reviewed-by: Michal Wajdeczko --- drivers/gpu/drm/i915/intel_pm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 43ec0fb4c197..3a157bdbee2a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7149,6 +7149,8 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv) I915_WRITE(GEN6_RC_SLEEP, 0); + I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */ + /* * 2c: Program Coarse Power Gating Policies. * @@ -7174,8 +7176,6 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv) I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 250); /* 3a: Enable RC6 */ - I915_WRITE(GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */ - I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | GEN6_RC_CTL_RC6_ENABLE |