[Intel-gfx] [PATCH] drm/i915: Handle sync_seqno correctly when seqno has wrapped.

[Mika Kuoppala]

On Tue, 13 Nov 2012 08:39:26 -0800, Ben Widawsky <ben at bwidawsk.net> wrote:
> Can you add another patch on top of this to have the starting seqno be a
> near pre-wrap value so we can catch bugs even without igt.

I tried that but failed. I suspect that there is something in hw/sw
that doesn't like if first seqno is >0x80000000. Something in hw needs
to initialized explicitly if seqno is not starting from 1?