[Bug 76554] [gm45 regression] [drm:init_ring_common]: *ERROR* render ring initialization failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76554

--- Comment #85 from Chris Wilson <chris at chris-wilson.co.uk> ---
The intel_ring_setup_status_page() does a posting read anyway, so it is not an
ordering issue. So this is back in the magic read territory, can you try with a
msleep(10) instead of the read just to confirm that it is the read doing the
trick and not an extra delay?

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