[PATCH] drm/amdgpu: fix new PD update code for Vega10 v2

[He, Roger]

Reviewed-and-Tested-by: Roger He <Hongbo.He at amd.com>

Thanks
Roger(Hongbo.He)

-----Original Message-----
From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf Of Christian K?nig
Sent: Thursday, August 31, 2017 7:58 PM
To: amd-gfx at lists.freedesktop.org
Subject: [PATCH] drm/amdgpu: fix new PD update code for Vega10 v2

From: Christian König <christian.koenig at amd.com>

We need to refer to the parent instead of the root BO for multi level page tables on Vega10. Also don't set the PDE_PTE bit.

v2: Don't set the PDE_PTE bit either.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b08f031..4c678c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -308,7 +308,7 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 			/* Keep a reference to the root directory to avoid
 			* freeing them up in the wrong order.
 			*/
-			pt->parent = amdgpu_bo_ref(vm->root.base.bo);
+			pt->parent = amdgpu_bo_ref(parent->base.bo);
 
 			entry->base.vm = vm;
 			entry->base.bo = pt;
@@ -316,7 +316,7 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 			spin_lock(&vm->status_lock);
 			list_add(&entry->base.vm_status, &vm->relocated);
 			spin_unlock(&vm->status_lock);
-			entry->addr = ~0ULL;
+			entry->addr = 0;
 		}
 
 		if (level < adev->vm_manager.num_level) {
--
2.7.4

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