mbox series

[0/3] Disable dynamic load balancing and support fixed balancing

Message ID 20231221170825.356970-1-andi.shyti@linux.intel.com (mailing list archive)
Headers show
Series Disable dynamic load balancing and support fixed balancing | expand

Message

Andi Shyti Dec. 21, 2023, 5:08 p.m. UTC 
Hi,

This series aims to disable the CCS hardware load balancing, as recommended by
hardware directives in Wa_16016805146.

In the meantime, we need to define and support a fixed CCS mode of balancing
that can be configured by the user.

Thanks,
Andi

Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>

Andi Shyti (3):
  drm/i915/gt: Support fixed CCS mode
  drm/i915/gt: Allow user to set up the CSS mode
  drm/i915/gt: Disable HW load balancing for CCS

 drivers/gpu/drm/i915/Makefile               |   1 +
 drivers/gpu/drm/i915/gt/intel_gt.c          |   6 +
 drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c | 149 ++++++++++++++++++++
 drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h |  17 +++
 drivers/gpu/drm/i915/gt/intel_gt_regs.h     |  14 ++
 drivers/gpu/drm/i915/gt/intel_gt_sysfs.c    |   2 +
 drivers/gpu/drm/i915/gt/intel_gt_types.h    |  20 +++
 drivers/gpu/drm/i915/gt/intel_workarounds.c |   6 +
 drivers/gpu/drm/i915/i915_drv.h             |   2 +
 9 files changed, 217 insertions(+)
 create mode 100644 drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c
 create mode 100644 drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h