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drm/amdgpu: add option to clear VM page tables after every submit

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This makes it much easier to find when userspace misses to send some buffers.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2015-09-10 14:00:35 +02:00
committed by Alex Deucher
parent d9c13156a6
commit b495bd3a54
3 changed files with 21 additions and 1 deletions
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17
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@@ -567,9 +567,24 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
if (r)
return r;
}
}
return amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync);
r = amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync);
if (amdgpu_vm_debug && p->bo_list) {
/* Invalidate all BOs to test for userspace bugs */
for (i = 0; i < p->bo_list->num_entries; i++) {
/* ignore duplicates */
bo = p->bo_list->array[i].robj;
if (!bo)
continue;
amdgpu_vm_bo_invalidate(adev, bo);
}
}
return r;
}
static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,