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 CC92DCAC5A5 for ; Wed, 24 Sep 2025 01:16:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 89F3610E691; Wed, 24 Sep 2025 01:16:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LCSJPaKP"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id D485A10E69C for ; Wed, 24 Sep 2025 01:16:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758676571; x=1790212571; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=d5135lzBiYNkgBKFEo0+9ELWsd8ZAgJg7wrmx4ixgUE=; b=LCSJPaKPfKx3gKPcw0I+PcIDCN7MZ9uRlFBY4iYISfxoVp69d4w+ghmv +65LIq+yUXaGN4YFLiTp3oQVHxx9JQ966cisKvLlTkEhoxr+LMsUfS/HR 8ykKxpXm5EPaDkr9gSBLuyw0sCjoudg1DVfktlRZ937b8Loj6KfpHZXvE UlfM6Y+pNZjqdjZGnvjduHPcLwID08l3DeQv3H5FywOU4oRnQFP8BEVtV Io0mmshHFNRz6OUVyGNw63BYXY5TPyWjQjzk3ezH1ah+Wkpt05/YR7uiM XajvuSB1PZRrz5JZ02YeZw8kzbVEilryYifV77Ey/7J8TkM1UjNJNsrnu w==; X-CSE-ConnectionGUID: QRiLZc+1QUmAGd6irNiiKg== X-CSE-MsgGUID: FNX7W1phRnetLO4lIoiuLw== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="60908272" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="60908272" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2025 18:16:10 -0700 X-CSE-ConnectionGUID: wxby6c76SDW95HyLQ2LhKg== X-CSE-MsgGUID: F1oMqFOfRCeFIpxur3czLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,289,1751266800"; d="scan'208";a="207841802" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2025 18:16:09 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v2 22/34] drm/xe/vf: Reset TLB invalidations during VF post migration recovery Date: Tue, 23 Sep 2025 18:15:49 -0700 Message-Id: <20250924011601.888293-23-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250924011601.888293-1-matthew.brost@intel.com> References: <20250924011601.888293-1-matthew.brost@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" TLB invalidations can be lost during VF post-migration recovery. Since the VF has migrated, these invalidations are no longer needed. Reset the TLB invalidation frontend, which will signal all pending fences. Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_gt_sriov_vf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_vf.c b/drivers/gpu/drm/xe/xe_gt_sriov_vf.c index 071c2c5e0d0a..01399a871f12 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_vf.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_vf.c @@ -35,6 +35,7 @@ #include "xe_sriov.h" #include "xe_sriov_vf.h" #include "xe_tile_sriov_vf.h" +#include "xe_tlb_inval.h" #include "xe_uc_fw.h" #include "xe_wopcm.h" @@ -1187,6 +1188,7 @@ static void vf_post_migration_shutdown(struct xe_gt *gt) spin_unlock_irq(>->sriov.vf.migration.lock); xe_guc_ct_flush(>->uc.guc.ct); + xe_tlb_inval_reset(>->tlb_inval); xe_guc_submit_pause(>->uc.guc); } -- 2.34.1