[Intel-gfx] [PATCH] drm/i915: Disable the BLT on pre-production SNB hardware

[Eric Anholt]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> It never quite worked despite the numerous workarounds, yet I still see
> people trying to use this hardware and filing bug reports. As we no
> longer even try to implement the workarounds, since 6a233c78878
> (drm/i915/ringbuffer: kill snb blt workaround), simply disable the ring.

Do we have something elsewhere that's very verbose telling them to get
real hardware?  Userland isn't going to do very well when the ring
doesn't work.
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