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(parent: ae69b42) | patch
drm/i915/ringbuffer: Ignore failure to setup the ring on Sandybridge
authorChris Wilson <chris@chris-wilson.co.uk>
Sun, 7 Nov 2010 11:50:02 +0000 (11:50 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Sun, 7 Nov 2010 13:19:40 +0000 (13:19 +0000)
commit629e894173c9de589913cf649deaadec4b0579bd
tree151112b1646ae39b6a0ccfa755158938b606f3f1tree | snapshot
parentae69b42a10dafe61adb016e0e52ec1e8d1ba11b4commit | diff
drm/i915/ringbuffer: Ignore failure to setup the ring on Sandybridge

The ring buffer registers return 0 whilst idle (for some values of idle)
on early Sandybridge hw. Persevere even when all appears hopeless...
Fortunately the head auto-reporting prevents most hangs.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31370
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_ringbuffer.c diff | blob | history
Port of xen3.3 xenlinux code to Ubuntu Precise kernel (3.2)