tree d61c1ac94941db3bdcbbae8753a2864557ed0b67
parent 79ee20dc85072b0edfb5e461799d192a9cc9d422
author Mika Kuoppala <mika.kuoppala@linux.intel.com> 1369404967 +0300
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1370026434 +0200

drm/i915: track ring progression using seqnos

Instead of relying in acthd, track ring seqno progression
to detect if ring has hung.

v2: put hangcheck stuff inside struct (Chris Wilson)

v3: initialize hangcheck.seqno (Ben Widawsky)

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>