[PATCH 2/8] drm/amdgpu: handle leaf PDEs as PTEs on Vega

[Christian König]

This way we get retry faults for missing PDs.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 059d9802e713..c54181a713a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -785,15 +785,22 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
        }
 
        if (entries) {
-               uint64_t value = 0;
-
-               /* Workaround for fault priority problem on GMC9 */
-               if (level == AMDGPU_VM_PTB &&
-                   adev->asic_type >= CHIP_VEGA10)
-                       value = AMDGPU_PTE_EXECUTABLE;
+               uint64_t value = 0, flags = 0;
+
+               if (adev->asic_type >= CHIP_VEGA10) {
+                       if (level != AMDGPU_VM_PTB) {
+                               /* Handle leaf PDEs as PTEs */
+                               flags |= AMDGPU_PDE_PTE;
+                               amdgpu_gmc_get_vm_pde(adev, level,
+                                                     &value, &flags);
+                       } else {
+                               /* Workaround for fault priority problem on 
GMC9 */
+                               flags = AMDGPU_PTE_EXECUTABLE;
+                       }
+               }
 
                r = vm->update_funcs->update(&params, bo, addr, 0, entries,
-                                            0, value);
+                                            value, flags);
                if (r)
                        return r;
        }
-- 
2.17.1

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