drm/i915: track ring progression using seqnos

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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>

...

This commit is contained in:

Mika Kuoppala 2013-05-24 17:16:07 +03:00 • committed by Daniel Vetter

parent 79ee20dc85

commit 92cab73451

4 changed files with 20 additions and 19 deletions

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2

drivers/gpu/drm/i915/i915_drv.h

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30

drivers/gpu/drm/i915/i915_irq.c

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1

drivers/gpu/drm/i915/intel_ringbuffer.c

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6

drivers/gpu/drm/i915/intel_ringbuffer.h

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