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 E75B6D0D145 for ; Wed, 7 Jan 2026 17:47:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C2B910E642; Wed, 7 Jan 2026 17:47:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="NiFYPU4Z"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2144110E61A for ; Wed, 7 Jan 2026 17:47:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767808076; x=1799344076; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=b0sxkSYQUJ7TuclZZKYoxrbl24oxWDhLNviMEXq+V4o=; b=NiFYPU4ZounqfG8t/0+EDJ3rzlr7vku59jS61Jp0dIlvWihY2+81Q0q8 dMR6jw+CSbaJMOkSVgfN3Nzb5TAHB+053+JZn/LoLgzZMupZtjxhEE17o InGpGQAGjOQl4QY+5KdclwgWvgbChf4WpepQ28jLpk0jKaM9my2BGzKIP iJtV5CLSkjycXoego8EEtcgzd7w+H3w8YrhFSKPdIEepGf0Zwfdioal57 rN7WDwBADrzhqzoT+S21Nj5s8CmyCjdMiAI3aNJ4AI2a5FXkxZwusbc4Y tySqC5xcylqeCP8EIfJ5k/xcwROLTaHqFb8vIvfqNBW8N4GNF5D/gvgwf g==; X-CSE-ConnectionGUID: d2u8lugUT/GkGUj3nHM3Cw== X-CSE-MsgGUID: aMHz8xTySnaubfLwsG4m/Q== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="91842128" X-IronPort-AV: E=Sophos;i="6.21,208,1763452800"; d="scan'208";a="91842128" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jan 2026 09:47:56 -0800 X-CSE-ConnectionGUID: pisTEKLHRJi1zN4HBII4Kw== X-CSE-MsgGUID: JBCy55c0QHiUb9OYX0BvYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,208,1763452800"; d="scan'208";a="202191218" Received: from llaguna-dev.igk.intel.com (HELO localhost) ([10.91.214.40]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jan 2026 09:47:54 -0800 From: Lukasz Laguna To: intel-xe@lists.freedesktop.org Cc: michal.wajdeczko@intel.com, rodrigo.vivi@intel.com, lukasz.laguna@intel.com Subject: [PATCH v12 3/4] drm/xe/vf: Disallow setting wedged mode to upon-any-hang Date: Wed, 7 Jan 2026 18:47:40 +0100 Message-Id: <20260107174741.29163-4-lukasz.laguna@intel.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20260107174741.29163-1-lukasz.laguna@intel.com> References: <20260107174741.29163-1-lukasz.laguna@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" In upon-any-hang (2) wedged mode, engine resets need to be disabled, which requires changing the GuC reset policy. VFs are not permitted to do that. Signed-off-by: Lukasz Laguna Reviewed-by: Michal Wajdeczko --- drivers/gpu/drm/xe/xe_device.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 62ec2e2d6436..d3431128670e 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -1387,6 +1387,11 @@ int xe_device_validate_wedged_mode(struct xe_device *xe, unsigned int mode) if (mode > XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET) { drm_dbg(&xe->drm, "wedged_mode: invalid value (%u)\n", mode); return -EINVAL; + } else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET && IS_SRIOV_VF(xe)) { + drm_dbg(&xe->drm, "wedged_mode: (%u) %s mode is not supported for %s\n", + mode, xe_wedged_mode_to_string(mode), + xe_sriov_mode_to_string(xe_device_sriov_mode(xe))); + return -EPERM; } return 0; -- 2.40.0