From patchwork Tue Apr 9 16:13:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 10891591 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 69DB817E0 for ; Tue, 9 Apr 2019 16:13:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 56786200CB for ; Tue, 9 Apr 2019 16:13:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4AD7628592; Tue, 9 Apr 2019 16:13:22 +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 0092A200CB for ; Tue, 9 Apr 2019 16:13:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7981189218; Tue, 9 Apr 2019 16:13:19 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id F3ECB891A8 for ; Tue, 9 Apr 2019 16:13:17 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Apr 2019 09:13:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,329,1549958400"; d="scan'208";a="129899617" Received: from rosetta.fi.intel.com ([10.237.72.186]) by orsmga007.jf.intel.com with ESMTP; 09 Apr 2019 09:13:16 -0700 Received: by rosetta.fi.intel.com (Postfix, from userid 1000) id 7CA6F840612; Tue, 9 Apr 2019 19:13:12 +0300 (EEST) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Tue, 9 Apr 2019 19:13:06 +0300 Message-Id: <20190409161310.20382-3-mika.kuoppala@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190409161310.20382-1-mika.kuoppala@linux.intel.com> References: <20190409161310.20382-1-mika.kuoppala@linux.intel.com> Subject: [Intel-gfx] [PATCH 3/7] drm/i915/icl: Apply recommended rc6 idle hysteresis 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 Use a recommended idle hysteresis for media and render powergates. References: bspec#52070 Signed-off-by: Mika Kuoppala --- 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 30ef507b88a4..b9be9ea5fc18 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7170,8 +7170,8 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv) * conservative, we have to factor in a context switch on top (due * to ksoftirqd). */ - I915_WRITE(GEN9_MEDIA_PG_IDLE_HYSTERESIS, 250); - I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 250); + I915_WRITE(GEN9_MEDIA_PG_IDLE_HYSTERESIS, 25); + I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 25); /* 3a: Enable RC6 */ I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */