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 CAD50EDF040 for ; Thu, 12 Feb 2026 06:02:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 557C310E1DF; Thu, 12 Feb 2026 06:02:07 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="PO+fcG7a"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3358810E1DF for ; Thu, 12 Feb 2026 06:02:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770876126; x=1802412126; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=CcJGk8R7sCGoyXq8bfDL3o/mho/aD5qLDatCYxGR/x4=; b=PO+fcG7ah1ELgtnVbnZK48epJuY9wBEk1XaGbA5djyROKf337lqkKzgD bkMWn4kqTvK3ndOtmEQ6iemgPNp31jf1lxEK//UIg3rFkr489Q++j70an UoxCU8P+/TIpFOAaq76BqydNw6NEQBaF1k6tGJ2gD9KBrgkxMkiGDHSty uBXzWwi6bKGqxxxQO/BdOSkAU62YaMnDpDq7ww7qFjX0PD7+pc/oCJY21 /TTMeWziZTU55Zgk+G8nKBZbl4jTBmlEU8K6wNGGRHyu5IPVvQs5LG+xU OQ4QdApBfXuWHEwbUb3RwJIIPPj2LGZxaDxjinPfgnLOtSiDBITjj5FU6 A==; X-CSE-ConnectionGUID: MNn3wY71RiijjI4Us4SqJQ== X-CSE-MsgGUID: t/EHo1TsSH6kPIpY87yU1g== X-IronPort-AV: E=McAfee;i="6800,10657,11698"; a="83407377" X-IronPort-AV: E=Sophos;i="6.21,286,1763452800"; d="scan'208";a="83407377" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 22:02:06 -0800 X-CSE-ConnectionGUID: Dk/LTx4iRICVZafAPVgYTg== X-CSE-MsgGUID: XXuZaaS6QUibf0Tg657MSw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,286,1763452800"; d="scan'208";a="243088129" Received: from jraag-z790m-itx-wifi.iind.intel.com ([10.190.239.23]) by orviesa002.jf.intel.com with ESMTP; 11 Feb 2026 22:02:04 -0800 From: Raag Jadav To: intel-xe@lists.freedesktop.org Cc: matthew.brost@intel.com, thomas.hellstrom@linux.intel.com, himal.prasad.ghimiray@intel.com, rodrigo.vivi@intel.com, riana.tauro@intel.com, Raag Jadav Subject: [PATCH v2] drm/xe/bo: Redirect faults to dummy page for wedged device Date: Thu, 12 Feb 2026 11:26:22 +0530 Message-ID: <20260212055622.2054991-1-raag.jadav@intel.com> X-Mailer: git-send-email 2.43.0 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" As per uapi documentation[1], the prerequisite for wedged device is to redirected page faults to a dummy page. Follow it. [1] Documentation/gpu/drm-uapi.rst v2: Add uapi reference and fixes tag (Matthew Brost) Fixes: 7bc00751f877 ("drm/xe: Use device wedged event") Signed-off-by: Raag Jadav --- drivers/gpu/drm/xe/xe_bo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index cb8a177ec02b..d6c2cb959cdd 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -1941,7 +1941,7 @@ static vm_fault_t xe_bo_cpu_fault(struct vm_fault *vmf) int err = 0; int idx; - if (!drm_dev_enter(&xe->drm, &idx)) + if (xe_device_wedged(xe) || !drm_dev_enter(&xe->drm, &idx)) return ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot); ret = xe_bo_cpu_fault_fastpath(vmf, xe, bo, needs_rpm); -- 2.43.0