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Mon, 10 Jan 2022 16:32:14 -0600 From: Alex Sierra To: , , , , , CC: , , , , , , Subject: [PATCH v3 05/10] drm/amdkfd: coherent type as sys mem on migration to ram Date: Mon, 10 Jan 2022 16:31:56 -0600 Message-ID: <20220110223201.31024-6-alex.sierra@amd.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220110223201.31024-1-alex.sierra@amd.com> References: <20220110223201.31024-1-alex.sierra@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9d1e849c-c678-4f7b-8bde-08d9d4890da9 X-MS-TrafficTypeDiagnostic: DM4PR12MB5117:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(36840700001)(40470700002)(46966006)(7696005)(5660300002)(2616005)(336012)(426003)(44832011)(36860700001)(16526019)(26005)(186003)(83380400001)(1076003)(54906003)(110136005)(316002)(4326008)(40460700001)(86362001)(47076005)(82310400004)(6666004)(81166007)(70206006)(356005)(70586007)(36756003)(7416002)(8936002)(8676002)(508600001)(2906002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jan 2022 22:32:15.3990 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9d1e849c-c678-4f7b-8bde-08d9d4890da9 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT031.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5117 X-Rspamd-Queue-Id: 91AEF1C0005 X-Stat-Signature: pr3urzfy96z15zemp9pu51q5agekq37r Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=a8rwg2Jy; dmarc=pass (policy=quarantine) header.from=amd.com; spf=pass (imf20.hostedemail.com: domain of Alex.Sierra@amd.com designates 40.107.212.86 as permitted sender) smtp.mailfrom=Alex.Sierra@amd.com X-Rspamd-Server: rspam08 X-HE-Tag: 1641853937-19798 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 --- 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/a= md/amdkfd/kfd_migrate.c index 9e36fe8aea0f..3e405f078ade 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -661,9 +661,12 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, s= truct svm_range *prange, migrate.vma =3D vma; migrate.start =3D start; migrate.end =3D end; - migrate.flags =3D MIGRATE_VMA_SELECT_DEVICE_PRIVATE; migrate.pgmap_owner =3D SVM_ADEV_PGMAP_OWNER(adev); =20 + if (adev->gmc.xgmi.connected_to_cpu) + migrate.flags =3D MIGRATE_VMA_SELECT_DEVICE_COHERENT; + else + migrate.flags =3D MIGRATE_VMA_SELECT_DEVICE_PRIVATE; size =3D 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_= t); size *=3D npages; buf =3D kvmalloc(size, GFP_KERNEL | __GFP_ZERO); --=20 2.32.0