[0/9] Refactor to expand subslice mask (rev 2)
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Message ID 20190807165832.26324-1-stuart.summers@intel.com
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  • Refactor to expand subslice mask (rev 2)
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Summers, Stuart Aug. 7, 2019, 4:58 p.m. UTC
Currently, the subslice_mask runtime parameter is stored as an
array of subslices per slice. Expand the subslice mask array to
better match what is presented to userspace through the
I915_QUERY_TOPOLOGY_INFO ioctl. The index into this array is
then calculated:
  slice * subslice stride + subslice index / 8

Note this is the second iteration of an original patch to implement
the same. There are a couple of minor code changes based on changes
since the first series was posted. Additionally, the original patch
has been split into several smaller patches with more isolated
changes based on review feedback in that first series.

Link to the original series:
https://patchwork.freedesktop.org/series/59742/

v2: Fix 32-bit build
v3: Fix typo in haswell sseu info routine and fix SSEU workaround
    print
v4: Merge patch to HSW in previous revision with patch to
    set subslice_mask for each platform and address feedback
    from Chris

Stuart Summers (9):
  drm/i915: Use variable for debugfs device status
  drm/i915: Add function to set SSEU info per platform
  drm/i915: Add subslice stride runtime parameter
  drm/i915: Add EU stride runtime parameter
  drm/i915: Add function to set subslices
  drm/i915: Add function to determine if a slice has a subslice
  drm/i915: Refactor instdone loops on new subslice functions
  drm/i915: Add new function to copy subslices for a slice
  drm/i915: Expand subslice mask

 drivers/gpu/drm/i915/gt/intel_engine_cs.c    |   3 +-
 drivers/gpu/drm/i915/gt/intel_engine_types.h |  31 +++--
 drivers/gpu/drm/i915/gt/intel_hangcheck.c    |   3 +-
 drivers/gpu/drm/i915/gt/intel_sseu.c         |  48 +++++++-
 drivers/gpu/drm/i915/gt/intel_sseu.h         |  24 +++-
 drivers/gpu/drm/i915/gt/intel_workarounds.c  |   3 +-
 drivers/gpu/drm/i915/i915_debugfs.c          |  49 +++++---
 drivers/gpu/drm/i915/i915_gpu_error.c        |   5 +-
 drivers/gpu/drm/i915/i915_query.c            |  10 +-
 drivers/gpu/drm/i915/intel_device_info.c     | 122 +++++++++----------
 10 files changed, 185 insertions(+), 113 deletions(-)