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 4C77CC27C53 for ; Wed, 19 Jun 2024 21:46:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0C94D10E2A2; Wed, 19 Jun 2024 21:46:52 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="eH2qVw4q"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2157E10E366 for ; Wed, 19 Jun 2024 21:46:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718833596; x=1750369596; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=aAWlsNtqX1M1UPvNntHukcVtpiZro+7HNJ1eXifbFFU=; b=eH2qVw4qIsQ1rlGKGpTz1/dYc1Xx26MAjvFNvPFrNkuL0GeJ1r86mBhb i25+Oz5e+FMwW2mkM+VxlOVEux899xXqB1MyLiz+xSUKir9MXGAgDiOJm PaokCXcmHxHAWT++kKBLwg4lt9XymFQX6AAMmq8BiwZgYp4Gim2i/yXa6 pdYjKViFuiZNyJYlBNrvW4MGQjVTft2ltf94bjheahA5lKx7vEVb2sOLQ 1onXo2xsh9QksggxiCB8SqEV5KI8Bx6Uj9BeMDVcTIbG/QB796N/s9r+H krSgpaplsNDRBVQzjXNgrRiXl3tzOu1Tz/fKcPNZqA4r5/hr52Plx3Y8K A==; X-CSE-ConnectionGUID: zPRJLcO/SJuFqMk8mzVTyw== X-CSE-MsgGUID: fZgn8iICQ+mJPj1zvcovHA== X-IronPort-AV: E=McAfee;i="6700,10204,11108"; a="15662985" X-IronPort-AV: E=Sophos;i="6.08,251,1712646000"; d="scan'208";a="15662985" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jun 2024 14:46:36 -0700 X-CSE-ConnectionGUID: pAtRtjl/QoiT8MlZ3iQsQw== X-CSE-MsgGUID: lSEOiJSrRBCVpwCvopCj5Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,251,1712646000"; d="scan'208";a="42157816" Received: from mwajdecz-mobl.ger.corp.intel.com ([10.245.119.62]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jun 2024 14:46:35 -0700 From: Michal Wajdeczko To: intel-xe@lists.freedesktop.org Subject: [PATCH 8/9] drm/xe/vf: Skip engine ring enabling if VF Date: Wed, 19 Jun 2024 23:45:56 +0200 Message-Id: <20240619214557.905-9-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20240619214557.905-1-michal.wajdeczko@intel.com> References: <20240619214557.905-1-michal.wajdeczko@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" All engines will be correctly initialized by the PF driver. Moreover, VF drivers can't access related engine registers. Signed-off-by: Michal Wajdeczko --- drivers/gpu/drm/xe/xe_hw_engine.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c index 52f12009678e..78b50d3a6501 100644 --- a/drivers/gpu/drm/xe/xe_hw_engine.c +++ b/drivers/gpu/drm/xe/xe_hw_engine.c @@ -547,7 +547,8 @@ static int hw_engine_init(struct xe_gt *gt, struct xe_hw_engine *hwe, if (hwe->class == XE_ENGINE_CLASS_OTHER) hwe->irq_handler = xe_gsc_hwe_irq_handler; - xe_hw_engine_enable_ring(hwe); + if (!IS_SRIOV_VF(xe)) + xe_hw_engine_enable_ring(hwe); } /* We reserve the highest BCS instance for USM */ -- 2.43.0