From mboxrd@z Thu Jan 1 00:00:00 1970 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 A9339C61DCB for ; Fri, 28 Aug 2026 11:31:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5692B10F377; Fri, 28 Aug 2026 11:31:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="l9YSMC0o"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8076E10F345 for ; Fri, 28 Aug 2026 11:31:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787916691; x=1819452691; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iyTKxxDxOIxyOG6OuhwbCaxCklEvDR7P6OacQYeHjPI=; b=l9YSMC0o8UX8HAmcHQv4/mvP0CnE037Q4Hxix/X3dtP03EG5V2+PJetv Xc/yUtr9Bdq3P0aZnrdnCyGcTBOAb85+h+YvX4LrjGxzIlcC4Jf7kecrD 5AaZ3LLYo7LHmj4bNsKmAaEVnDtoiShU8suM+rOpkKvYAe+rYkvpiC32h nJ9TUkSXsggeEdILvPk5dpH8eQlBOabwrGhhzBlX/r3kRxHIpgpAEPeTh /KMgUJJDU6lOkYF6l1jIEMSlKBcx0JnGGyN0V8RLnH/PePROd0wXNZDzw eF6XuMblJRcCaMEDgnMueQJMblcIUBkMZ770Mk9GOptQxK7fGkqJC4It2 g==; X-CSE-ConnectionGUID: /kW8TdlvR/qDKqYRfpgRgw== X-CSE-MsgGUID: VNVpwNY+RTGrkUdEOEshVA== X-IronPort-AV: E=McAfee;i="6800,10657,11888"; a="113957102" X-IronPort-AV: E=Sophos;i="6.25,248,1779174000"; d="scan'208";a="113957102" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2026 04:31:31 -0700 X-CSE-ConnectionGUID: +WImiS+mTRuLJ3KSXzBKkQ== X-CSE-MsgGUID: FvhFC/gbSOmGnc9cY+Z1PQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,248,1779174000"; d="scan'208";a="306338267" Received: from unknown (HELO rtauro-desk.iind.intel.com) ([10.190.238.50]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2026 04:31:29 -0700 From: Riana Tauro To: intel-xe@lists.freedesktop.org Cc: riana.tauro@intel.com, anshuman.gupta@intel.com, rodrigo.vivi@intel.com, aravind.iddamsetty@linux.intel.com, raag.jadav@intel.com, ravi.kishore.koppuravuri@intel.com, matthew.d.roper@intel.com Subject: [PATCH 1/2] drm/xe/xe_pci_error: Wait for pcode init post SBR Date: Fri, 28 Aug 2026 17:01:06 +0530 Message-ID: <20260828113104.319843-5-riana.tauro@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260828113104.319843-4-riana.tauro@intel.com> References: <20260828113104.319843-4-riana.tauro@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Pcode init complete indicates the device is ready, with device memory initialization complete. Wait for Pcode init before accessing the device post Secondary Bus Reset (SBR). Signed-off-by: Riana Tauro --- drivers/gpu/drm/xe/xe_pci_error.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_pci_error.c b/drivers/gpu/drm/xe/xe_pci_error.c index 79ce0c671549..3e9c77f8483d 100644 --- a/drivers/gpu/drm/xe/xe_pci_error.c +++ b/drivers/gpu/drm/xe/xe_pci_error.c @@ -9,6 +9,7 @@ #include "xe_gt.h" #include "xe_log.h" #include "xe_pci.h" +#include "xe_pcode.h" #include "xe_pm.h" #include "xe_printk.h" #include "xe_ras.h" @@ -109,6 +110,10 @@ static pci_ers_result_t xe_pci_error_slot_reset(struct pci_dev *pdev) return PCI_ERS_RESULT_DISCONNECT; } + err = xe_pcode_probe_early(xe); + if (err) + return PCI_ERS_RESULT_DISCONNECT; + /* * Secondary Bus Reset causes all VRAM state to be lost along with * hardware state. As an initial step, re-probe the device to -- 2.47.1