[PATCH v2 0/3] drm/vc4: Add a load tracker

[Boris Brezillon <boris.brezillon@bootlin.com>]

Hello,

This is the 2nd version of the VC4 load tracker patch.

Daniel, as you suggested, I've implemented a generic infrastructure to
track and report underrun errors (patch 1). Not sure this is what you
had in mind, but it seems to do the job for my use case, and should
allow me to easily track regressions in the load tracking logic with a
bunch of IGT tests. Let me know if you want it done differently.

Patch 2 is implementing the generic underrun interface in the VC4
driver, and patch 3 is just adding the load tracking logic (hasn't
changed since the RFC except for the unused 'ret' var removal).

Regards,

Boris

Boris Brezillon (3):
  drm/atomic: Add a generic infrastructure to track underrun errors
  drm/vc4: Report underrun errors
  drm/vc4: Add a load tracker to prevent HVS underflow errors

 drivers/gpu/drm/drm_atomic.c        |  12 +++
 drivers/gpu/drm/drm_atomic_helper.c |   4 +
 drivers/gpu/drm/vc4/vc4_drv.c       |   1 +
 drivers/gpu/drm/vc4/vc4_drv.h       |  14 ++++
 drivers/gpu/drm/vc4/vc4_hvs.c       |  71 ++++++++++++++++++
 drivers/gpu/drm/vc4/vc4_kms.c       | 110 +++++++++++++++++++++++++++-
 drivers/gpu/drm/vc4/vc4_plane.c     |  60 +++++++++++++++
 drivers/gpu/drm/vc4/vc4_regs.h      |  46 +++---------
 include/drm/drm_atomic_helper.h     |  53 ++++++++++++++
 include/drm/drm_device.h            |  15 ++++
 include/drm/drm_mode_config.h       |  26 +++++++
 11 files changed, 376 insertions(+), 36 deletions(-)

-- 
2.17.1

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