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drm/amdgpu: handle leaf PDEs as PTEs on Vega 

This way we get retry faults for missing PDs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2019-03-28 13:51:23 +01:00 committed by Alex Deucher
parent 5fa76a9dfe
commit b6f3a51e0a
1 changed files with 13 additions and 6 deletions
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19
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -787,15 +787,22 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
}
if (entries) {
uint64_t value = 0;
uint64_t value = 0, flags = 0;
/* Workaround for fault priority problem on GMC9 */
if (level == AMDGPU_VM_PTB &&
adev->asic_type >= CHIP_VEGA10)
value = AMDGPU_PTE_EXECUTABLE;
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;
}