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 B086DC36000 for ; Wed, 19 Mar 2025 17:28:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A937310E560; Wed, 19 Mar 2025 17:28:30 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="NU5TDOm8"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5137C10E560 for ; Wed, 19 Mar 2025 17:28:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742405309; x=1773941309; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=EA5x48x4cAigf3voPw6zkQ6zOEf5+PYPmo//4SSoCJY=; b=NU5TDOm835YaWR/Vm6gTp8eJI5IrYrCvIe9GIgbQKOzq51xz1V8t8ajB IYtpad6onjQ7SrHyG6jYRfaF2cvxvfnoRweEdvGbk9uk/bKtGEvx7lPNk q5Aj/AuxMK9X7+xlkboCyDde4WNHfjfcQ8vWZfQUgmg+bS3Osvic7tckR woUl9Z2V/t/yUX9Zi6SIA1LOJG9kc5j9G6s5GCL3mFwJoGZ8I2jOVg2yt ZGhRJpODwSTDPXu3LVBJ6x3zeayjWTEVczL6Me643jDubGA9UpRNA0OmJ obxJNS8lJ47hOhaKsqzXBFMXOlieCxYXXN2rQeWcvfMCJELReRiCJnIEl Q==; X-CSE-ConnectionGUID: 0wsN2bVVRIG2rgx5yhEAzg== X-CSE-MsgGUID: Sit6etNPRSysArO6G5KgkA== X-IronPort-AV: E=McAfee;i="6700,10204,11378"; a="43714536" X-IronPort-AV: E=Sophos;i="6.14,259,1736841600"; d="scan'208";a="43714536" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2025 10:28:28 -0700 X-CSE-ConnectionGUID: GHa5rk3XT3yhwWlpVk8Sig== X-CSE-MsgGUID: NhaqW4lyRlePPfls/HR1xw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,259,1736841600"; d="scan'208";a="122538549" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.27.7]) by fmviesa006.fm.intel.com with ESMTP; 19 Mar 2025 10:28:27 -0700 From: Zhanjun Dong To: intel-xe@lists.freedesktop.org Cc: Zhanjun Dong , Julia Filipchuk Subject: [PATCH v2] drm/xe/guc: Disable lite restore for MTL Date: Wed, 19 Mar 2025 10:28:25 -0700 Message-Id: <20250319172825.3334036-1-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 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" Lite restore for MTL is not POR for Xe, then disable it for MTL. Signed-off-by: Zhanjun Dong Reviewed-by: Julia Filipchuk --- Changes from prior revs: v2:- Changed long conditional initialization to simple if statement. drivers/gpu/drm/xe/xe_guc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index bc5714a5b36b..d9a0daf584b4 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -80,9 +80,13 @@ static u32 guc_ctl_debug_flags(struct xe_guc *guc) static u32 guc_ctl_feature_flags(struct xe_guc *guc) { + struct xe_device *xe = guc_to_xe(guc); u32 flags = GUC_CTL_ENABLE_LITE_RESTORE; - if (!guc_to_xe(guc)->info.skip_guc_pc) + if (xe->info.platform == XE_METEORLAKE) + flags &= ~GUC_CTL_ENABLE_LITE_RESTORE; + + if (!xe->info.skip_guc_pc) flags |= GUC_CTL_ENABLE_SLPC; return flags; -- 2.34.1