From patchwork Tue Apr 25 20:28:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Govindapillai, Vinod" X-Patchwork-Id: 13223774 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 3F772C77B71 for ; Tue, 25 Apr 2023 20:28:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 88A7910E5A5; Tue, 25 Apr 2023 20:28:45 +0000 (UTC) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id C69FB10E5A5 for ; Tue, 25 Apr 2023 20:28:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1682454522; x=1713990522; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OCaFIoc7JOWRmc2WZrT1CELC9rbANGMZJUzX516BDBo=; b=bfaa46q9DCCIDNEFLHa1S7hGEadw7WxQx5ZKbGYHAHV0ZeQmw/X35dGp C8l84tlCSRRLleaJuWBLviKyYi6rw9MyMBt3eiZUaphCcpj5hPB+rxKD8 fUvl66+bvJBw1vmvG0Ng4LOKaKqoBnEBRcJ77JOKfpFUX0wEBuEo/XdwJ LBdlOLa+5IYRIFhKCsMuPU9JvK9uon6CHOfLc3nJ7+/K6AH+TNZU7Drxf bgWML6FbaTB3gb2answUvYu7QIfJPSgpjO6ZsOz0Q2DJ8exLKDSM9jC1s FXFEcRYKMa9Ix70SDXxG5Vt/N1Opg/PNOQIpuurkVNe/O7dbwpUgPBmZd g==; X-IronPort-AV: E=McAfee;i="6600,9927,10691"; a="345651634" X-IronPort-AV: E=Sophos;i="5.99,226,1677571200"; d="scan'208";a="345651634" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Apr 2023 13:28:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10691"; a="724141250" X-IronPort-AV: E=Sophos;i="5.99,226,1677571200"; d="scan'208";a="724141250" Received: from aazuev-mobl.ccr.corp.intel.com (HELO vgovind2-mobl3.intel.com) ([10.252.59.124]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Apr 2023 13:28:36 -0700 From: Vinod Govindapillai To: intel-gfx@lists.freedesktop.org Date: Tue, 25 Apr 2023 23:28:19 +0300 Message-Id: <20230425202826.1144429-2-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230425202826.1144429-1-vinod.govindapillai@intel.com> References: <20230425202826.1144429-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v2 1/8] 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: , Cc: ville.syrjala@intel.com 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 --- 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)