From patchwork Tue Jun 6 09:35:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Govindapillai X-Patchwork-Id: 13268802 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 52DA5C77B7A for ; Tue, 6 Jun 2023 09:35:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 22EAE10E242; Tue, 6 Jun 2023 09:35:27 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id BA3F610E242 for ; Tue, 6 Jun 2023 09:35:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686044125; x=1717580125; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RFlNjFT/kR+wU2SDb7bJFfNcSGMLfuxHva0MBtyTvzc=; b=brVICnAXLTo5l8q4W7yM6P9354J/E9h5NtxewRBP+bJNzLShvbK6E6kl 3BbV0Gy6ebCNdrQXUgiijiLiD69zd9y0/IO5KptdDWuRjIEGOrmh6JwPo 9OUq93wEaMph1ovrucB8Spe0kKW08sxK9J3PIuxfp0Ukck6kVt2Q0V3Cq kgLDXkca8yV3UcNwmyZam+OYTl8AW1ASo46GLQ3iWN4WwAL9JsbqdF9dr RHSQ4KwBzlOd9/O2lgFlz3RQtXrsgivGKhxAZcBpZk8EOhqnBinf8iHG1 069T4OBrlC3y0RG1RiNHjKc1hr9uD18qrzY1LgACli+UHUbEkyNeQoL1y Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="336974240" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="336974240" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2023 02:35:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="955684148" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="955684148" Received: from mgmohiud-mobl2.gar.corp.intel.com (HELO vgovind2-mobl3.intel.com) ([10.249.42.181]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2023 02:35:23 -0700 From: Vinod Govindapillai To: intel-gfx@lists.freedesktop.org Date: Tue, 6 Jun 2023 12:35:03 +0300 Message-Id: <20230606093509.221709-2-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230606093509.221709-1-vinod.govindapillai@intel.com> References: <20230606093509.221709-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v14 1/7] drm/i915: fix the derating percentage for MTL X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Follow the values from bspec for the percentage overhead for efficiency in MTL BW calculations. Bspec: 64631 Signed-off-by: Vinod Govindapillai Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_bw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 597d5816ad1b..ab405c48ca3a 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -379,7 +379,7 @@ static const struct intel_sa_info mtl_sa_info = { .deburst = 32, .deprogbwlimit = 38, /* GB/s */ .displayrtids = 256, - .derating = 20, + .derating = 10, }; static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa)