From patchwork Fri Mar 7 19:25:13 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gustavo Sousa X-Patchwork-Id: 14007058 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 67B97C28B28 for ; Fri, 7 Mar 2025 19:25:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DED4F10E1CE; Fri, 7 Mar 2025 19:25:52 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jslzf/Br"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD75B10E1AD; Fri, 7 Mar 2025 19:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741375552; x=1772911552; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=gZeOBaB5HDaUYIKn63YhxTFMDFZzm15MBVapFM7xBaw=; b=jslzf/Br13d53pJZMtShvmOjbj/9XPl9vZ+d4285Xtrtdj8H3dU5YEME bkb2LzOz/SpsqIVknlLDscWjVa2yurigxav+JOQ0QLl8WqUAXMY59SZeL XQfbd8a9t6fKm6GfpI+Ly6m0nM/WkZNjEWHwEwxvbojldYPlq+Pg1v9Et TlaaJQXuEkGkCFIy7IIkIxKhK/QnN8S63JkZqAqem0GA/Y+I6Z5GQYEfp gSIpEjn4+DV77W70wraSkEGpn7jUTEH8n4BD2dL0jhHgfyM0V/x4fGPIj 9cUI/kxmvikDfKsOgA+FOiT2RduLEVEFA/5jTm35arxVMbikYiz5wPXFA Q==; X-CSE-ConnectionGUID: +e/8l0UYTKS7Y3Abjyyl/w== X-CSE-MsgGUID: 1Sm4uTMcS/a4ns80yECW1g== X-IronPort-AV: E=McAfee;i="6700,10204,11365"; a="42315903" X-IronPort-AV: E=Sophos;i="6.14,230,1736841600"; d="scan'208";a="42315903" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2025 11:25:51 -0800 X-CSE-ConnectionGUID: pwwpL/T6SAK8tOCN6UpdjQ== X-CSE-MsgGUID: HRsjhpFHT/GYgDc8Vf487g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="156622622" Received: from tjmaciei-mobl5.ger.corp.intel.com (HELO gjsousa-mobl2.corp.amr.intel.com) ([10.125.110.129]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2025 11:25:50 -0800 From: Gustavo Sousa Date: Fri, 07 Mar 2025 16:25:13 -0300 Subject: [PATCH v3 3/3] drm/i915/xe3lpd: Update bandwidth parameters MIME-Version: 1.0 Message-Id: <20250307-xe3lpd-bandwidth-update-v3-3-58bbe81f65bf@intel.com> References: <20250307-xe3lpd-bandwidth-update-v3-0-58bbe81f65bf@intel.com> In-Reply-To: <20250307-xe3lpd-bandwidth-update-v3-0-58bbe81f65bf@intel.com> To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: Matt Roper , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Gustavo Sousa X-Mailer: b4 0.14.2 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 Reviewed-by: Matt Roper 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 39644ae6932047f2b83f0ae34ed93f73a100685f..ee3e2fbd4a42a232b58f8e2344c134f6a1db1ac4 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 intel_display *display, const struct intel_sa_info *sa) { struct drm_i915_private *i915 = to_i915(display->drm); @@ -752,7 +759,9 @@ void intel_bw_init_hw(struct intel_display *display) if (!HAS_DISPLAY(display)) return; - if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx) + if (DISPLAY_VER(display) >= 30) + tgl_get_bw_info(display, &xe3lpd_sa_info); + else if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx) xe2_hpd_get_bw_info(display, &xe2_hpd_sa_info); else if (DISPLAY_VER(display) >= 14) tgl_get_bw_info(display, &mtl_sa_info);