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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(82310400026)(36860700013)(1800799024)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2025 07:14:31.9036 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 38c1ebce-c991-4c4a-1669-08de37bbc3fc 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002529E.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPF530AE3851 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Philip Yang GFX 12.1.0 support 57bit virtual, 52bit physical address, set PDE max_level to 4, min_vm_size to 128PB to enable GPU vm 5-level page tables to support 57bit virtual address. Signed-off-by: Philip Yang Acked-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index e63ad5f18a8e1..57aabe0dcfdfe 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -809,11 +809,11 @@ static int gmc_v12_0_sw_init(struct amdgpu_ip_block *ip_block) for (i = 0; i < hweight32(adev->aid_mask); i++) set_bit(AMDGPU_MMHUB0(i), adev->vmhubs_mask); /* - * To fulfill 4-level page support, - * vm size is 256TB (48bit), maximum size, + * To fulfill 5-level page support, + * vm size is 128PetaByte (57bit), maximum size, * block size 512 (9bit) */ - amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); + amdgpu_vm_adjust_size(adev, 128 * 1024 * 1024, 9, 4, 57); break; default: break; -- 2.52.0