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 7AB21E9A04A for ; Wed, 18 Feb 2026 05:50:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3B4E410E197; Wed, 18 Feb 2026 05:50:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Qh+GvorB"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 61FAE10E197 for ; Wed, 18 Feb 2026 05:50:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771393851; x=1802929851; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=9zwy/tmcDMEzXrEAwjhgGx5kdLVnlC4UiC3lnwPKzmg=; b=Qh+GvorBUISqmFa8wNpu6Ng+yJn7g3H826DFKjEFjjXc58jxFZ8p2aDd nkt3mSmnN066mGnExJjDvShTbcY/PEaRAVLjThpt1cYWdcAwVUbRQChhk L/7Ni+0Us0SOXtW9nGHWpDwwINloc5G2XeJKVlJzEm+xQabJgYB0xP5hD XJIID5B3qbPsBf3QOzrNo7cVv2bAgMnwj1dgrxH2LiX4C77sx0V9s0cEt ChuzPmEQbzBrzitfkGiBSwYSJaslXwNei6CyirDG0c4BPpA+99Iuctsez 1AUEpk04Oq0c6WTNLR/vjLpjLPXzB0KpQUC7GY9AOlnMjBdjTj5Ftm0q6 w==; X-CSE-ConnectionGUID: wD2ckHPNTaWyRG1i192epg== X-CSE-MsgGUID: kh8eSumiTIWgnT4/E88zNg== X-IronPort-AV: E=McAfee;i="6800,10657,11704"; a="72534769" X-IronPort-AV: E=Sophos;i="6.21,297,1763452800"; d="scan'208";a="72534769" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Feb 2026 21:50:51 -0800 X-CSE-ConnectionGUID: 84K+bPNRTo6vge5xwwlyCQ== X-CSE-MsgGUID: f3yZCNxGRV2ueUUcszZQ+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,297,1763452800"; d="scan'208";a="242965060" Received: from dut6304bmgfrd.fm.intel.com ([10.36.21.42]) by fmviesa001.fm.intel.com with ESMTP; 17 Feb 2026 21:50:51 -0800 From: Xin Wang To: intel-xe@lists.freedesktop.org Cc: Xin Wang Subject: [PATCH] drm/xe: restric multi-lrc to VCS/VECS engines Date: Wed, 18 Feb 2026 05:50:33 +0000 Message-ID: <20260218055033.327926-1-x.wang@intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" Remove multi-lrc support on non‑media engines for ModSched platforms, since GuC firmware no longer supports this and there’s no valid use case. Signed-off-by: Xin Wang --- drivers/gpu/drm/xe/xe_exec_queue.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 66d0e10ee2c4..9f5e9d78c8c6 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -1200,6 +1200,15 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data, return -ENOENT; } + /* multi-lrc is only supported on VIDEO_DECODE and VIDEO_ENHANCE engines */ + if (XE_IOCTL_DBG(xe, args->width > 1 && GRAPHICS_VER(xe) > 20 && + !(eci[0].engine_class == DRM_XE_ENGINE_CLASS_VIDEO_DECODE || + eci[0].engine_class == DRM_XE_ENGINE_CLASS_VIDEO_ENHANCE))) { + up_read(&vm->lock); + xe_vm_put(vm); + return -EOPNOTSUPP; + } + /* SRIOV sched groups are not compatible with multi-lrc */ if (XE_IOCTL_DBG(xe, args->width > 1 && has_sched_groups(hwe->gt))) { up_read(&vm->lock); -- 2.43.0