From: Chunming Zhou <david1.zhou@amd.com>
Date: Mon, 11 Dec 2017 07:55:03 +0000 (+0800)
Subject: drm/amdgpu: fix huge page setting for ATS case
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c4c3351783cb1758801a5928c98b0dcb2074c082;p=linux.git

drm/amdgpu: fix huge page setting for ATS case

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 68039ad3c8e00..709587d8a77f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -343,7 +343,7 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 
 	if (vm->pte_support_ats) {
 		init_value = AMDGPU_PTE_DEFAULT_ATC;
-		if (level != adev->vm_manager.num_level - 1)
+		if (level != adev->vm_manager.num_level)
 			init_value |= AMDGPU_PDE_PTE;
 
 	}