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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB58BCE79D0 for ; Wed, 20 Sep 2023 11:53:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234745AbjITLxO (ORCPT ); Wed, 20 Sep 2023 07:53:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234750AbjITLxN (ORCPT ); Wed, 20 Sep 2023 07:53:13 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9105EB0 for ; Wed, 20 Sep 2023 04:53:07 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB186C433C8; Wed, 20 Sep 2023 11:53:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695210787; bh=78KAu7mmakuSowL/a/lViX+WtEXHI9v8c27S/Wdlqmk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K/gS4Jfeggh6iCx0hdivgalkMrr7k2oSZYN4TpX5pl4XnBL/JqvmTBFH8uA9C8SLE qYSb5xyrXRbBaXr8KM5KSs+3Yx7NOqlWDyZh0IM8NIg7T91z1O4Yq9fXOWNqPRtTpG 96tIrtuH0QL7uQn91v/C6BqrLPeLVCQfAdTg0MJY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Harish Kasiviswanathan , Felix Kuehling , Alex Deucher Subject: [PATCH 6.5 204/211] drm/amdkfd: Insert missing TLB flush on GFX10 and later Date: Wed, 20 Sep 2023 13:30:48 +0200 Message-ID: <20230920112852.191893915@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112845.859868994@linuxfoundation.org> References: <20230920112845.859868994@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Harish Kasiviswanathan commit edcfe22985d09ee8e2346c9217f5a52ab150099f upstream. Heavy-weight TLB flush is required after unmap on all GPUs for correctness and security. Signed-off-by: Harish Kasiviswanathan Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -1487,8 +1487,7 @@ void kfd_flush_tlb(struct kfd_process_de static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) { - return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3) || - KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) || + return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) || (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) || KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); }