[Intel-gfx] [PATCH 0/7] Update GGTT with MI_UPDATE_GTT on MTL

[Nirmoy Das]

Implement a way to update GGTT using MI_UPDATE_GTT command
when possible for MTL as a suggested work around for HW bugs,
Wa_13010847436 and Wa_14019519902.

1st patch improve pm wakeref handeling which needed as we
do GGTT update with vm->mutext held and not allowed to alloc
memory.

2: Fix lockdep warning related to GT wakeref vs
   blitter engine wakeref.

v3: Rearrange patches/diffs to fix code mixups(Andi)

v4: fix ce leak(Oak)

v5: rebase & resend with new "Test-with"

v6: move context ready status chnages to lower levels from
    i915_driver.c. Add more docs and improve function names.

Chris Wilson (1):
  drm/i915: Lift runtime-pm acquire callbacks out of intel_wakeref.mutex

Nirmoy Das (6):
  drm/i915: Create a kernel context for GGTT updates
  drm/i915: Implement for_each_sgt_daddr_next
  drm/i915: Parameterize binder context creation
  drm/i915: Implement GGTT update method with MI_UPDATE_GTT
  drm/i915: Toggle binder context ready status
  drm/i915: Enable GGTT updates with binder in MTL

 drivers/gpu/drm/i915/gt/intel_engine.h       |   2 +
 drivers/gpu/drm/i915/gt/intel_engine_cs.c    |  40 +++-
 drivers/gpu/drm/i915/gt/intel_engine_types.h |   3 +
 drivers/gpu/drm/i915/gt/intel_ggtt.c         | 235 +++++++++++++++++++
 drivers/gpu/drm/i915/gt/intel_gt.c           |  49 ++++
 drivers/gpu/drm/i915/gt/intel_gt.h           |   3 +
 drivers/gpu/drm/i915/gt/intel_gt_pm.c        |   4 +
 drivers/gpu/drm/i915/gt/intel_gtt.c          |   5 +
 drivers/gpu/drm/i915/gt/intel_gtt.h          |   5 +
 drivers/gpu/drm/i915/i915_scatterlist.h      |  10 +
 drivers/gpu/drm/i915/intel_wakeref.c         |  52 ++--
 11 files changed, 380 insertions(+), 28 deletions(-)

-- 
2.41.0