[Intel-gfx] [PATCH] drm/i915: Fix the kernel panic when using aliasing ppgtt
Chris Wilson
chris at chris-wilson.co.uk
Fri Jul 7 09:38:26 UTC 2017
Quoting Chuanxiao Dong (2017-07-07 07:00:09)
> The ppgtt should be get directly from i915_address_space *vm instead of
> vma->vm as in alias ppgtt case the vma->vm is not same with vm.
And for consistency, also
@@ -2242,7 +2242,7 @@ static void bxt_vtd_ggtt_insert_entries__BKL(struct i915_address_space *vm,
enum i915_cache_level level,
u32 unused)
{
- struct insert_entries arg = { vma->vm, vma, level };
+ struct insert_entries arg = { vm, vma, level };
stop_machine(bxt_vtd_ggtt_insert_entries__cb, &arg, NULL);
}
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