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 93B78D0E6EA for ; Tue, 25 Nov 2025 13:54:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A78310E403; Tue, 25 Nov 2025 13:54:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WFsv6hJ6"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1F0CE10E403 for ; Tue, 25 Nov 2025 13:54:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764078882; x=1795614882; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4cDcgQnpkOMa0aJ1CtkN1StRBjqRnuoLilQdcovEBEs=; b=WFsv6hJ6SuXSXJC9/VHxhRElxIvSKiyN9qKkq/iSIiqxM67cL0GNEgG5 R5feqW45rn7HSTTn3szK+W1ka6YkgSVqHPd19czIIVKglP2LXH0JuQ9kJ 2QaoAA7JwGz59wOd/rkzj3tFlQAVWg84UTxLpAYtneSWVe20Rx7paRJWq jRLk1gvNftx0IGUCHeq7yyy2OSGPv/8aTtgDvV/tA6CPV/D593/GhSRKX ikSog8Sqn0r8RUIJ/uV93rg944DMpIrPei8oUgbrK6pHPRtZU1MdcR1MW Hi/4/gIjgsrgWfoq+F2nn+/OZAzkDAJq++tJUNN+GI5K2wSlolqEqXlDA g==; X-CSE-ConnectionGUID: YixTXD63TSqEJVLwO8OeyA== X-CSE-MsgGUID: ksja68JTRfSoRJiDKfBkGw== X-IronPort-AV: E=McAfee;i="6800,10657,11624"; a="65802562" X-IronPort-AV: E=Sophos;i="6.20,225,1758610800"; d="scan'208";a="65802562" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2025 05:54:42 -0800 X-CSE-ConnectionGUID: Dy/ts766TZmxGs5qDRDbkw== X-CSE-MsgGUID: YMvRpvfiQlGHiCvRDV6WXw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,225,1758610800"; d="scan'208";a="196954016" Received: from llaguna-dev.igk.intel.com (HELO localhost) ([10.91.214.40]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2025 05:54:40 -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 v10 3/4] drm/xe/vf: Disallow setting wedged mode to upon-any-hang Date: Tue, 25 Nov 2025 14:54:21 +0100 Message-Id: <20251125135422.11244-4-lukasz.laguna@intel.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20251125135422.11244-1-lukasz.laguna@intel.com> References: <20251125135422.11244-1-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 f6216c4f83f9..da12924f191c 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -1302,6 +1302,11 @@ int xe_device_validate_wedged_mode(struct xe_device *xe, unsigned int mode) if (mode > XE_WEDGED_MODE_UPON_ANY_HANG) { drm_dbg(&xe->drm, "wedged_mode: invalid value (%u)\n", mode); return -EINVAL; + } else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG && 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