Re: [CI 6/7] drm/i915: Eliminate superfluous i915_ggtt_view_rotated

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On 14 January 2017 at 00:28, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
> It is only being used to clear a struct and set the type, after which it
> is overwritten. Since we no longer check the unset bits of the union,
> skipping the clear is permissible.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
My machine is all of a sudden hanging just after boot and bisection
points to this as the culprit. When I revert back to the old behaviour
of copying from the zeroed struct for the normal case, then the issue
disappears, which doesn't make any sense. Any ideas?
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