From patchwork Thu Feb 6 19:21:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gustavo Sousa X-Patchwork-Id: 13963621 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 B886CC0219B for ; Thu, 6 Feb 2025 19:22:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0020E10E928; Thu, 6 Feb 2025 19:22:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="X2tS0Vs+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4EC9010E30C; Thu, 6 Feb 2025 19:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738869721; x=1770405721; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=N5r609qw0H3V/Ad6D4oxujMEDGaK8JdG8V55li0u6oU=; b=X2tS0Vs+XWWWRAk0nw9YYhe88kyQblKOaHeklcTIY5TkKaUjpmlE+dEg PDNJVjGjfFMQZ/NGcGCEeZeW+Que+zC8ItIL4ChL8gRh2LIRtC5eKG93/ 4TeRzjMVOmS3DtWd/H/DZT+9m4eo5Qolue9Vdrt42Uymi0U9mnPza6IDb dXKcTGzHnzJV3Y3a2KpJArc+7Be/jPFdv7mn5HMn43btzBa0oUB8AFNL5 kcgi4nunD9ljHeRuSeNrfseVptRVPHxSMb86W8QakClzN/CHR5CF7K9wb k46HgJKxKWs7/VGbq1D2+INaHKUsGCWmjcGOktgFyj78GtSL+ykSKV8Zy g==; X-CSE-ConnectionGUID: tYKWoUlFQNS/B/cof8aFrQ== X-CSE-MsgGUID: i3hqwHAxTx+D4DR6xZJUug== X-IronPort-AV: E=McAfee;i="6700,10204,11336"; a="39398825" X-IronPort-AV: E=Sophos;i="6.13,265,1732608000"; d="scan'208";a="39398825" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2025 11:22:01 -0800 X-CSE-ConnectionGUID: R4LCTo6STLag1/WrEsXUZA== X-CSE-MsgGUID: L4U4nOSQTlurhuA8UO1JRQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,265,1732608000"; d="scan'208";a="111502526" Received: from lstrano-mobl6.amr.corp.intel.com (HELO gjsousa-mobl2.corp.amr.intel.com) ([10.125.111.1]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2025 11:22:01 -0800 From: Gustavo Sousa To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: [PATCH 3/3] drm/i915/xe3lpd: Update bandwidth parameters Date: Thu, 6 Feb 2025 16:21:30 -0300 Message-ID: <20250206192148.53610-4-gustavo.sousa@intel.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250206192148.53610-1-gustavo.sousa@intel.com> References: <20250206192148.53610-1-gustavo.sousa@intel.com> MIME-Version: 1.0 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" Bandwidth parameters for Xe3_LPD have been updated with respect to previous display releases. Encode them into xe3lpd_sa_info and use that new struct. Bspec: 68859 Signed-off-by: Gustavo Sousa --- drivers/gpu/drm/i915/display/intel_bw.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index e52c66eca93d..9937fb10ebf3 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -404,6 +404,13 @@ static const struct intel_sa_info xe2_hpd_sa_info = { /* Other values not used by simplified algorithm */ }; +static const struct intel_sa_info xe3lpd_sa_info = { + .deburst = 32, + .deprogbwlimit = 65, /* GB/s */ + .displayrtids = 256, + .derating = 10, +}; + static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) { struct intel_display *display = &dev_priv->display; @@ -759,7 +766,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv) if (!HAS_DISPLAY(display)) return; - if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx) + if (DISPLAY_VER(display) >= 30) + tgl_get_bw_info(dev_priv, &xe3lpd_sa_info); + else if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx) xe2_hpd_get_bw_info(dev_priv, &xe2_hpd_sa_info); else if (DISPLAY_VER(display) >= 14) tgl_get_bw_info(dev_priv, &mtl_sa_info);