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 DED6ED26296 for ; Tue, 20 Jan 2026 20:16:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A258110E220; Tue, 20 Jan 2026 20:16:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Kv03E+XA"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 00CF710E097 for ; Tue, 20 Jan 2026 20:16:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768940184; x=1800476184; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ecnmn6ob2VtObbxFQGYpPGIPKk8Gw1SB/R+FR9hKq6o=; b=Kv03E+XAJ7KBujOaqlPf02oPY9tVTtxNdi8k+M9huKmn2FEFG9Gpe7y7 Z+uAkGAv+prUVsSvYTDB0G4JkyBJ6hZTV2y84kZEN1gWQ37LF8YUj5AMW qV9M/KM9/hTc9sO6n/yi1f+I4w3eWWDpPHv84fZN6XLXD9KsBAy6rkhoJ Yn2QNAtiTPEzgCGDwh+yBr5n0TtIjI5wqThxzLdKMVx0+5ZkfezjlPGXy ynWlIY2Aw8GlLDXeGR8AiJFLY8NuXPL6kZCEbMpPYBW+ZGPQ+k3D8qbIy Zgle7mkuoso3itnu1x+tiQYFmKRKUHvC7o4dOzhM7FORc83bCPLuCx3Ha A==; X-CSE-ConnectionGUID: waV937xkS5iPcwbvSMihsw== X-CSE-MsgGUID: k79BkWoIT9i5nkklyAb6ng== X-IronPort-AV: E=McAfee;i="6800,10657,11677"; a="87574658" X-IronPort-AV: E=Sophos;i="6.21,241,1763452800"; d="scan'208";a="87574658" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jan 2026 12:16:24 -0800 X-CSE-ConnectionGUID: bp+lN0hAQwaNZ+75K59Sdw== X-CSE-MsgGUID: aZk/O/KXSPq4/SMOZijFkQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,241,1763452800"; d="scan'208";a="210373501" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.39.24]) by orviesa003.jf.intel.com with ESMTP; 20 Jan 2026 12:16:24 -0800 From: Zhanjun Dong To: intel-xe@lists.freedesktop.org Cc: Zhanjun Dong Subject: [PATCH v3 4/6] drm/xe/guc: Ensure CT state transitions via STOP before DISABLED Date: Tue, 20 Jan 2026 15:16:19 -0500 Message-Id: <20260120201621.2442803-5-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260120201621.2442803-1-zhanjun.dong@intel.com> References: <20260120201621.2442803-1-zhanjun.dong@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" The GuC CT state transition requires moving to the STOP state before entering the DISABLED state. Updated the state machine logic to enforce this sequence. Signed-off-by: Zhanjun Dong --- drivers/gpu/drm/xe/xe_guc_ct.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c index dfbf76037b04..6a658f085e0f 100644 --- a/drivers/gpu/drm/xe/xe_guc_ct.c +++ b/drivers/gpu/drm/xe/xe_guc_ct.c @@ -345,6 +345,7 @@ static void guc_action_disable_ct(void *arg) { struct xe_guc_ct *ct = arg; + xe_guc_ct_stop(ct); guc_ct_change_state(ct, XE_GUC_CT_STATE_DISABLED); } -- 2.34.1