[0/7] drm/i915/perf: add OA interrupt support

Message

Umesh Nerlige Ramappa March 3, 2020, 10:18 p.m. UTC

Hi all,

This is a revival of an earlier patch series submitted by Lionel
Landwerlin - https://patchwork.freedesktop.org/series/54280/

The patches enable interrupt support for the perf OA unit in
i915, further details can be found in the orignal series linked
above.

Regards,
Umesh

Lionel Landwerlin (7):
  drm/i915/perf: rework aging tail workaround
  drm/i915/perf: move pollin setup to non hw specific code
  drm/i915/perf: only append status when data is available
  drm/i915/perf: add new open param to configure polling of OA buffer
  drm/i915: handle interrupts from the OA unit
  drm/i915/perf: add interrupt enabling parameter
  drm/i915/perf: add flushing ioctl

 drivers/gpu/drm/i915/gt/intel_gt_irq.c        |  29 +-
 drivers/gpu/drm/i915/gt/intel_gt_irq.h        |   1 +
 drivers/gpu/drm/i915/gt/intel_gt_pm_irq.c     |  34 +-
 .../gpu/drm/i915/gt/intel_ring_submission.c   |   2 +
 drivers/gpu/drm/i915/i915_perf.c              | 421 +++++++++++-------
 drivers/gpu/drm/i915/i915_perf_types.h        |  54 ++-
 drivers/gpu/drm/i915/i915_reg.h               |   9 +
 include/uapi/drm/i915_drm.h                   |  41 ++
 8 files changed, 401 insertions(+), 190 deletions(-)