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 5D5A0C61DC6 for ; Wed, 26 Aug 2026 13:52:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E4E510ED44; Wed, 26 Aug 2026 13:52:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="NCfakJu7"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9A7B410ED44 for ; Wed, 26 Aug 2026 13:52:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787752335; x=1819288335; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6jcKEUeak5Z/o2wzp0sgbZSiKUua95fMoU96+EzklEY=; b=NCfakJu7lskTiwL4+QtFi9W+rnWcHisC23DHidXOTRuGcTcUcQVDu3Hy R+gC8Ktdx5KJRMWNbQPWaZlm5nNg7eNELWyL5l8GzWO5HXml7jBCEmXQY TlT6YPC511OBkVnUyGynxv/Uf0PsRRRIHXMuYk5ilaUtpL4nCZlVaGTLJ rhd9Hj43hkSrvB2eQZRGzauiAz1TNMuTKZ5uadObL8Fx8UUD9Gs25jMjB QJXWVZon7gWM5fJdztN2i55vDAzYLQsqEfeVhyMTtYiTnTZ0AuGWWo/e+ KbDRj/9xkk4dvPbuYfbdEoAVt0prDJslWfUaHZNpEwFtc1/3E8f3LMKli A==; X-CSE-ConnectionGUID: KjaBIMUTRlair6P2unb6Lg== X-CSE-MsgGUID: gSxX3lecQXWsX1GVLGPRPg== X-IronPort-AV: E=McAfee;i="6800,10657,11886"; a="88251047" X-IronPort-AV: E=Sophos;i="6.25,244,1779174000"; d="scan'208";a="88251047" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 06:52:14 -0700 X-CSE-ConnectionGUID: rQUn4LDQR8auAK8v84vdNg== X-CSE-MsgGUID: ajlFMvk9Qt6itZ26jRqn4Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,244,1779174000"; d="scan'208";a="269533523" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 06:52:12 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, rodrigo.vivi@intel.com, michal.wajdeczko@intel.com, Tejas Upadhyay Subject: [PATCH V18 11/14] drm/xe/vram: Check bad_page_reservation policy in fault handler Date: Wed, 26 Aug 2026 19:21:46 +0530 Message-ID: <20260826135136.204044-27-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260826135136.204044-16-tejas.upadhyay@intel.com> References: <20260826135136.204044-16-tejas.upadhyay@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" Before reserving a page at a faulting address, check the cached bad_page_reservation policy from xe->ras. If the policy is disabled (logging only), log the corrupted address and return -EOPNOTSUPP so that RAS can report to firmware to drop the address from the SRAM queue without attempting to offline the page. Signed-off-by: Tejas Upadhyay --- drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c index b2b6c1bd2c55..24d134754265 100644 --- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c @@ -864,6 +864,12 @@ int xe_ttm_vram_handle_addr_fault(struct xe_device *xe, u64 addr) vram_mgr = &vr->ttm; mm = &vram_mgr->mm; + if (!xe->ras.bad_page_reservation) { + drm_err(&xe->drm, "0x%llx is reported as corrupted address by HW\n", + addr); + return -EOPNOTSUPP; + } + /* Reserve page at address */ return xe_ttm_vram_reserve_page_at_addr(xe, addr - vr->dpa_base, vram_mgr, mm); } -- 2.52.0