[Intel-xe] [PATCH v2 0/3] drm/xe/pvc: Add Wa_16017236439

[Niranjana Vishwanathapura]

Add workaround 16017236439 on PVC which makes even copy engine instances
to use 64B transfers instead of 256B, hence making it bit slower than
odd copy engine instances.
Update migrate engine to use the faster odd copy engine instances along
with the reserved copy engine for a better throughput.

v2: Blacklist BCS_SWCTRL register

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com>

Niranjana Vishwanathapura (3):
  drm/xe/pvc: Blacklist BCS_SWCTRL register
  drm/xe/pvc: Force even num engines to use 64B
  drm/xe/pvc: Use fast copy engines as migrate engine on PVC

 drivers/gpu/drm/xe/regs/xe_engine_regs.h |  3 +++
 drivers/gpu/drm/xe/xe_hw_engine.c        | 31 ++++++++++++++++++++++++
 drivers/gpu/drm/xe/xe_hw_engine.h        |  1 +
 drivers/gpu/drm/xe/xe_migrate.c          |  7 +++---
 drivers/gpu/drm/xe/xe_reg_whitelist.c    |  6 +++++
 drivers/gpu/drm/xe/xe_wa.c               |  7 ++++++
 6 files changed, 52 insertions(+), 3 deletions(-)

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2.21.0.rc0.32.g243a4c7e27