[PATCH 0/2] Disable automatic load CCS load balancing
Andi Shyti
andi.shyti at linux.intel.com
Tue Feb 20 14:35:24 UTC 2024
Hi,
this series does basically two things:
1. Disables automatic load balancing as adviced by the hardware
workaround.
2. Assigns all the CCS slices to one single user engine. The user
will then be able to query only one CCS engine
Changelog
=========
- In Patch 1 use the correct workaround number (thanks Matt).
- In Patch 2 do not add the extra CCS engines to the exposed UABI
engine list and adapt the engine counting accordingly (thanks
Tvrtko).
- Reword the commit of Patch 2 (thanks John).
Andi Shyti (2):
drm/i915/gt: Disable HW load balancing for CCS
drm/i915/gt: Enable only one CCS for compute workload
drivers/gpu/drm/i915/gt/intel_engine_user.c | 9 +++++++++
drivers/gpu/drm/i915/gt/intel_gt.c | 11 +++++++++++
drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +++
drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 ++++++
drivers/gpu/drm/i915/i915_query.c | 1 +
5 files changed, 30 insertions(+)
--
2.43.0
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