[PATCH v2 00/16] arb robustness enablers v2

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Hi,

Reworked patchset for guilty context detection.
Main changes since the last posting:
- i915_add_request cleanup
- i915_switch_context returns ERR_PTR
- 3 seconds to declare hang regardless if guilty was found
- semaphore kicking for hung rings (from Chris)
- test case for the new interface
- interface is now included to have common base for discussions.

Thank you all who provided feedback.

The tree can be found here:
https://github.com/mkuoppal/linux/commits/arb-robustness

And testcase for i-g-t here:
https://github.com/mkuoppal/intel-gpu-tools/tree/arb-robustness

-Mika

Chris Wilson (1):
  drm/i915: Resurrect ring kicking for semaphores, selectively

Mika Kuoppala (15):
  drm/i915: return context from i915_switch_context()
  drm/i915: cleanup i915_add_request
  drm/i915: reference count for i915_hw_contexts
  drm/i915: pass seqno to i915_hangcheck_ring_idle
  drm/i915: track ring progression using seqnos
  drm/i915: introduce i915_hangcheck_ring_hung
  drm/i915: detect hang using per ring hangcheck_score
  drm/i915: remove i915_hangcheck_hung
  drm/i915: add struct ctx_reset_state
  drm/i915: add reset_state for hw_contexts
  drm/i915: add batch object and context to i915_add_request()
  drm/i915: mark rings which were waiting when hang happened
  drm/i915: find guilty batch buffer on ring resets
  drm/i915: refuse to submit more batchbuffers from guilty context
  drm/i915: add i915_gem_context_get_reset_status_ioctl

 drivers/gpu/drm/i915/i915_dma.c            |    5 +-
 drivers/gpu/drm/i915/i915_drv.c            |   84 +++++++++++++++-
 drivers/gpu/drm/i915/i915_drv.h            |   57 +++++++++--
 drivers/gpu/drm/i915/i915_gem.c            |  130 ++++++++++++++++++++++--
 drivers/gpu/drm/i915/i915_gem_context.c    |   97 +++++++++++++++---
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |   24 ++++-
 drivers/gpu/drm/i915/i915_irq.c            |  151 ++++++++++++++++------------
 drivers/gpu/drm/i915/intel_overlay.c       |    4 +-
 drivers/gpu/drm/i915/intel_ringbuffer.c    |    2 +-
 drivers/gpu/drm/i915/intel_ringbuffer.h    |    4 +
 include/uapi/drm/i915_drm.h                |   28 ++++++
 11 files changed, 481 insertions(+), 105 deletions(-)

-- 
1.7.9.5



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