From nobody Sat Apr 11 21:28:56 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7642C19F2D for ; Sat, 6 Aug 2022 12:28:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233303AbiHFM2m (ORCPT ); Sat, 6 Aug 2022 08:28:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232235AbiHFM1x (ORCPT ); Sat, 6 Aug 2022 08:27:53 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3BB11402A for ; Sat, 6 Aug 2022 05:27:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659788867; x=1691324867; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=q60lqOYoK0CC5fpK0MwwQkf5wpLEltQV3Cdq2brHiBM=; b=hWj+GPReSYKsieO6gek2EZMgp3QdTCAs7fT6oS6vg6Q894K6QMxPjD7r NXnG9+DIne1LrUqx1jHHlq938NH83UDrzdc1O4XAqB+r/x31Kk8clbuvl qA6nDrFZFts3IGFSC6y6vW0j8Pxl7/F6rRIobPIcTsTFMQifUqPu3aZ4b /BVtqJ9DfXyhEXTkJ7BYLFXGlAd/r3NobqBJ496bnLW1mZd9dxsR0h6ET UgbH8bqZyDGqclTrMI+DovrT0TK4xUaemc8nGIkFrJKTeTDz7DEDzejGl SQTTzaQEsyNCjCruqjzQDIWF2A7gLFM/GqDs2hmJ9XSz2/YlTEKDHxnYz g==; X-IronPort-AV: E=McAfee;i="6400,9594,10430"; a="289121902" X-IronPort-AV: E=Sophos;i="5.93,217,1654585200"; d="scan'208";a="289121902" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2022 05:27:47 -0700 X-IronPort-AV: E=Sophos;i="5.93,217,1654585200"; d="scan'208";a="632329116" Received: from twinkler-lnx.jer.intel.com ([10.12.87.143]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2022 05:27:44 -0700 From: Tomas Winkler To: Greg Kroah-Hartman , David Airlie , Daniel Vetter Cc: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tomas Winkler , Alexander Usyskin , Vitaly Lubart , Daniele Ceraolo Spurio Subject: [PATCH v7 10/15] mei: mkhi: add memory ready command Date: Sat, 6 Aug 2022 15:26:31 +0300 Message-Id: <20220806122636.43068-11-tomas.winkler@intel.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220806122636.43068-1-tomas.winkler@intel.com> References: <20220806122636.43068-1-tomas.winkler@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add GSC memory ready command. The command indicates to the firmware that extend operation memory was setup and the firmware may enter PXP mode. CC: Daniele Ceraolo Spurio Signed-off-by: Tomas Winkler Signed-off-by: Alexander Usyskin Reviewed-by: Daniele Ceraolo Spurio --- drivers/misc/mei/mkhi.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h index 27a9b476904e..056b76e73d40 100644 --- a/drivers/misc/mei/mkhi.h +++ b/drivers/misc/mei/mkhi.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2021, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ =20 @@ -18,6 +18,13 @@ =20 #define MCHI_GROUP_ID 0xA =20 +#define MKHI_GROUP_ID_GFX 0x30 +#define MKHI_GFX_RESET_WARN_CMD_REQ 0x0 +#define MKHI_GFX_MEMORY_READY_CMD_REQ 0x1 + +/* Allow transition to PXP mode without approval */ +#define MKHI_GFX_MEM_READY_PXP_ALLOWED 0x1 + struct mkhi_rule_id { __le16 rule_type; u8 feature_id; @@ -42,4 +49,9 @@ struct mkhi_msg { u8 data[]; } __packed; =20 +struct mkhi_gfx_mem_ready { + struct mkhi_msg_hdr hdr; + u32 flags; +} __packed; + #endif /* _MEI_MKHI_H_ */ --=20 2.37.1