tree 178c5be6a4d209058cb8354d060586b6370086cd
parent 897ef192514a6b0fc10a0ce3fe7e7aa0de09bc52
author Zou Nan hai <nanhai.zou@intel.com> 1288686661 +0800
committer Chris Wilson <chris@chris-wilson.co.uk> 1288694663 +0000

drm/i915: SNB BLT workaround

On some stepping of SNB cpu, the first command to be parsed in BLT
command streamer should be MI_BATCHBUFFER_START otherwise the GPU
may hang.

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
[ickle: rebased for -next]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>