From patchwork Tue Jun 6 06:43:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Govindapillai X-Patchwork-Id: 13268319 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 0F6FBC7EE24 for ; Tue, 6 Jun 2023 06:43:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 71D9C10E218; Tue, 6 Jun 2023 06:43:48 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id EEFCC10E218 for ; Tue, 6 Jun 2023 06:43:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686033826; x=1717569826; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RFlNjFT/kR+wU2SDb7bJFfNcSGMLfuxHva0MBtyTvzc=; b=AWvBtpryMAMQNeumUi8cse6Ygl54TpzLpH7LG4x43TcUzNZElsvAipPE dwsaqLtMHGA6m8ThQ2fa9ueK4kcSNTwBY8C841unxutqN/B3XT1YvgW81 5BuoN6z4miy/tPwIQQ8XBBpc2qXl++3MYcCLZn8Sd8aQU2+ePwA67nkSU BH5HZ8ckbOkcQ3hTsKvppPk4oqV1KQng4/eU73YW8ZH1wwIxIekoQFfMu tc9/Wa7PASHuf1G7aH9UBNKsSZjg6HjRp+QhqPYoUUyKid3MCyWSV4tpd Y1LjTemxzujZMQLaZOp0WEM9RWiDqBdekn1RQ5eEH6XENkGjnS4a34kIB A==; X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="336940575" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="336940575" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2023 23:43:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="778865554" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="778865554" Received: from mgmohiud-mobl2.gar.corp.intel.com (HELO vgovind2-mobl3.intel.com) ([10.249.42.181]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2023 23:43:43 -0700 From: Vinod Govindapillai To: intel-gfx@lists.freedesktop.org Date: Tue, 6 Jun 2023 09:43:21 +0300 Message-Id: <20230606064327.188226-2-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230606064327.188226-1-vinod.govindapillai@intel.com> References: <20230606064327.188226-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v13 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)