drm/i915: Split up hangcheck phases

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In order to simplify hangcheck state keeping, split hangcheck
per engine loop in three phases: state load, action, state save.

Add few more hangcheck actions to separate between seqno, head
and subunit movements. This helps to gather all the hangcheck
actions under a single switch umbrella.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>

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This commit is contained in:

Mika Kuoppala 2016-11-16 17:20:29 +02:00 • committed by Mika Kuoppala

parent b2251c0820

commit 6e16d028e4

3 changed files with 146 additions and 107 deletions

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8

drivers/gpu/drm/i915/i915_gpu_error.c

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239

drivers/gpu/drm/i915/intel_hangcheck.c

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4

drivers/gpu/drm/i915/intel_ringbuffer.h

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