From: Eric Anholt <eric@anholt.net>
Date: Thu, 22 Dec 2011 22:54:59 +0000 (-0800)
Subject: drm/i915: Do the fallback non-IRQ wait in ring throttle, too.
X-Git-Tag: v3.2.22~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86d94bc5ca0b9283cae6dfa34b259d22200b4e3a;p=pandora-kernel.git

drm/i915: Do the fallback non-IRQ wait in ring throttle, too.

commit 7ea29b13e5e3e1e61e612349eb0366efdb6457f3 upstream.

As a workaround for IRQ synchronization issues in the gen7 BLT ring,
we want to turn the two wait functions into polling loops.

Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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