[Intel-gfx] [CI 15/20] drm/i915: Stop setting wraparound seqno on initialisation

2016-07-01 Thread Chris Wilson
We have testcases to ensure that seqno wraparound works fine, so we can forgo forcing everyone to encounter seqno wraparound during early uptime. seqno wraparound incurs a full GPU stall so not forcing it will eliminate one jitter from the early system. Using the testcases, we have very determinist

[Intel-gfx] [CI 15/20] drm/i915: Stop setting wraparound seqno on initialisation

2016-05-19 Thread Chris Wilson
We have testcases to ensure that seqno wraparound works fine, so we can forgo forcing everyone to encounter seqno wraparound during early uptime. seqno wraparound incurs a full GPU stall so not forcing it will eliminate one jitter from the early system. Using the testcases, we have very determinist