From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51B5828E00 for ; Wed, 20 Sep 2023 11:53:07 +0000 (UTC) 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 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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); }