From: Chris Wilson ch...@chris-wilson.co.uk
As a w/a to prevent reads sporadically returning 0, we need to wait for
the GT thread to return to TC0 before proceeding to read the registers.
v2: adapt for Haswell changes (Eugeni).
v3: use wait_for_atomic_us for thread status polling.
v3: *really*
On Mon, 2 Jul 2012 11:51:03 -0300
Eugeni Dodonov eugeni.dodo...@intel.com wrote:
From: Chris Wilson ch...@chris-wilson.co.uk
As a w/a to prevent reads sporadically returning 0, we need to wait for
the GT thread to return to TC0 before proceeding to read the registers.
v2: adapt for