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 56487C624D9 for ; Wed, 2 Sep 2026 14:55:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 92A2110F268; Wed, 2 Sep 2026 14:55:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LqDjAtWy"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2A10910E021 for ; Wed, 2 Sep 2026 14:55:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788360914; x=1819896914; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8PUu+qXBhD4XJ0OdAtFEwO7y/kXE5rpdEB6RWWuEQ4Y=; b=LqDjAtWyCc3KumYF+DaINmEURuZfdDVc2R0ryMloRaWOSjCN+q0PAP61 750li3clxHclGxQIqqn1FFrNYl9sZOZ4bhusT87co+avcpzqxfInhPEyX 6wubxCiFMgVNdlI3zJVoPEJ639drff+stb1eN8pxRHIIRoYrLLXF/8bvw jCwJPZ/fV2rLIRjb5D2s6JxTT1G/j9bZsw77RjOl2E3gxxkdDPR9aWLYH 4XYuseFuJFd/wI45EeOMPcE6qCOlZ20a5cTMALMABCSJ5faGi0qRyqa6y wejh5O6TBUXBO9oZW7Y/tluxOuvrRhaN7p4/7h5kw0Puf69QSIzvpNceL Q==; X-CSE-ConnectionGUID: eQEzP0RvSB2e9Yo1CqRUnw== X-CSE-MsgGUID: AXW4negmQEWCS0E6OduW8Q== X-IronPort-AV: E=McAfee;i="6800,10657,11894"; a="92526039" X-IronPort-AV: E=Sophos;i="6.25,258,1779174000"; d="scan'208";a="92526039" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2026 07:55:11 -0700 X-CSE-ConnectionGUID: mPDf2vD0QX+RSw5xGpPIVw== X-CSE-MsgGUID: 4VdTCPclRsWLmL4C41t93A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,258,1779174000"; d="scan'208";a="263260144" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2026 07:55:08 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, rodrigo.vivi@intel.com, Matthew Brost , Tejas Upadhyay , Michal Wajdeczko Subject: [PATCH V20 12/15] drm/xe/vram: Check disable_vram_page_offline policy in fault handler Date: Wed, 2 Sep 2026 20:23:55 +0530 Message-ID: <20260902145343.465686-29-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260902145343.465686-17-tejas.upadhyay@intel.com> References: <20260902145343.465686-17-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 disable_vram_page_offline policy from xe->ras. If the policy is enabled (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. Reviewed-by: Himal Prasad Ghimiray Cc: Michal Wajdeczko Signed-off-by: Tejas Upadhyay --- drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c index 0ab92bc3c699..00569c5279a8 100644 --- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c @@ -21,6 +21,7 @@ #include "xe_lrc.h" #include "xe_mmio.h" #include "xe_pm.h" +#include "xe_printk.h" #include "xe_res_cursor.h" #include "xe_ttm_stolen_mgr.h" #include "xe_ttm_vram_mgr.h" @@ -906,6 +907,12 @@ int xe_ttm_vram_handle_addr_fault(struct xe_device *xe, u64 addr) vram_mgr = &vr->ttm; mm = &vram_mgr->mm; + if (xe->ras.disable_vram_page_offline) { + xe_err(xe, "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