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 48E50C433FE for ; Thu, 10 Feb 2022 07:30:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236291AbiBJH36 (ORCPT ); Thu, 10 Feb 2022 02:29:58 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236354AbiBJH3g (ORCPT ); Thu, 10 Feb 2022 02:29:36 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 197E710F9 for ; Wed, 9 Feb 2022 23:29:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=jUampNuN0AAfy565dU6BaB5W601SZBgSqrEDAPl/+vc=; b=sDnGGhHbueSF3Ak0EohahA9BV4 rqaWiiPucO1EyVfXvpG5bVDtmX6Yd3CSVEQmrwHdbSLa5+QpAUXIvVH7LtwHdLXngY/sK/NbnxiaY 4prWu/9NtnKuMr/o/Kw2RD0ICezVdRCaAyzcCDqSukrxAUshHCIt6sx7MqRb82MaPMRNJq5bDI07S /U8WRjhnQROEK1Av44QWdwlN7RaTDxSO20qmeAKfQxkWWvE9GP3z9LMcPS2uV8X7d9h0f6XvF6dXl l0VoAuAyX1iyPbWaLNnFaT7OT9zw9Hvqkbxw0sLTGxsYFnL3lxu6nY+f8XedbOG3RuA1cbR+3ezZw RwbalyQw==; Received: from [2001:4bb8:188:3efc:8014:b2f2:fdfd:57ea] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nI3tN-002sCq-6Z; Thu, 10 Feb 2022 07:29:25 +0000 From: Christoph Hellwig To: Andrew Morton , Dan Williams Cc: Felix Kuehling , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Ben Skeggs , Karol Herbst , Lyude Paul , Jason Gunthorpe , Alistair Popple , Logan Gunthorpe , Ralph Campbell , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, nvdimm@lists.linux.dev, linux-mm@kvack.org, Alex Sierra Subject: [PATCH 19/27] drm/amdkfd: coherent type as sys mem on migration to ram Date: Thu, 10 Feb 2022 08:28:20 +0100 Message-Id: <20220210072828.2930359-20-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220210072828.2930359-1-hch@lst.de> References: <20220210072828.2930359-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alex Sierra Coherent device type memory on VRAM to RAM migration, has similar access as System RAM from the CPU. This flag sets the source from the sender. Which in Coherent type case, should be set as MIGRATE_VMA_SELECT_DEVICE_COHERENT. Signed-off-by: Alex Sierra Reviewed-by: Felix Kuehling Signed-off-by: Christoph Hellwig --- drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 2c51f2ac3b46ac..6646291d75d574 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -659,9 +659,12 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, migrate.vma = vma; migrate.start = start; migrate.end = end; - migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev); + if (adev->gmc.xgmi.connected_to_cpu) + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_COHERENT; + else + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; size = 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_t); size *= npages; buf = kvmalloc(size, GFP_KERNEL | __GFP_ZERO); -- 2.30.2