[PATCH v2 0/3] drm/i915: implement internal workqueues

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Hi,

This series implements internal workqueues in the i915 driver in order
to avoid using the system queue.  We add one generic workqueue in the
drm_i915_private structure, one specific for wake references and one
in a self-test.

This is based on Tetsuo's work[1] and is required to get rid of the
flush_scheduled_work() usage.

In v2:
   * Removed per-engine workqueue and wakeref-specific queue;
   * Renamed the workqueue name from "i915-wq" to "unordered_wq";
   * Added comment about when the new workqueue should be used;
   * Changed wakeref structs to store i915 instead of rpm;

As discussed, we can either take Tetsuo's implementation first, which
uses a module-global workqueue, and then my series on top of that, to
change the implementation to per-device workqueues, or apply my series
directly.  And a third option would be to keep the workqueue as
module-global.  I'm fine with any of this options.  It's up to the
maintainers to decide which one to take.

Please review.

[1] https://patchwork.freedesktop.org/series/114608/

Cheers,
Luca.


Luca Coelho (3):
  drm/i915: use pointer to i915 instead of rpm in wakeref
  drm/i915: add a dedicated workqueue inside drm_i915_private
  drm/i915/selftests: add local workqueue for SW fence selftest

 drivers/gpu/drm/i915/display/intel_display.c  |  5 ++--
 .../drm/i915/display/intel_display_driver.c   |  2 +-
 drivers/gpu/drm/i915/display/intel_dmc.c      |  2 +-
 drivers/gpu/drm/i915/display/intel_dp.c       |  2 +-
 .../drm/i915/display/intel_dp_link_training.c |  3 ++-
 drivers/gpu/drm/i915/display/intel_drrs.c     |  4 +++-
 drivers/gpu/drm/i915/display/intel_fbc.c      |  2 +-
 drivers/gpu/drm/i915/display/intel_fbdev.c    |  3 ++-
 drivers/gpu/drm/i915/display/intel_hdcp.c     | 23 +++++++++++--------
 drivers/gpu/drm/i915/display/intel_hotplug.c  | 18 ++++++++++-----
 drivers/gpu/drm/i915/display/intel_opregion.c |  3 ++-
 drivers/gpu/drm/i915/display/intel_pps.c      |  4 +++-
 drivers/gpu/drm/i915/display/intel_psr.c      |  8 ++++---
 drivers/gpu/drm/i915/gt/intel_engine_pm.c     |  4 +---
 .../drm/i915/gt/intel_execlists_submission.c  |  5 ++--
 .../gpu/drm/i915/gt/intel_gt_buffer_pool.c    | 10 ++++----
 drivers/gpu/drm/i915/gt/intel_gt_irq.c        |  2 +-
 drivers/gpu/drm/i915/gt/intel_gt_pm.c         |  2 +-
 drivers/gpu/drm/i915/gt/intel_gt_requests.c   | 10 ++++----
 drivers/gpu/drm/i915/gt/intel_reset.c         |  2 +-
 drivers/gpu/drm/i915/gt/intel_rps.c           | 20 ++++++++--------
 drivers/gpu/drm/i915/gt/selftest_engine_cs.c  |  2 +-
 drivers/gpu/drm/i915/i915_driver.c            | 11 +++++++++
 drivers/gpu/drm/i915/i915_drv.h               |  9 +++++++-
 drivers/gpu/drm/i915/i915_request.c           |  2 +-
 drivers/gpu/drm/i915/intel_runtime_pm.c       |  2 +-
 drivers/gpu/drm/i915/intel_wakeref.c          | 22 ++++++++++--------
 drivers/gpu/drm/i915/intel_wakeref.h          | 12 +++++-----
 .../gpu/drm/i915/selftests/i915_sw_fence.c    | 16 ++++++++++---
 29 files changed, 132 insertions(+), 78 deletions(-)

-- 
2.39.2




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