drm/i915: Add EU stride runtime parameter

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Add a new SSEU runtime parameter, eu_stride, which is
used to mirror the userspace concept of a range of EUs
per subslice.

This patch simply adds the parameter and updates usage
in the QUERY_TOPOLOGY_INFO handler.

v2: Add GEM_BUG_ON to make sure eu_stride is valid

Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823160307.180813-5-stuart.summers@intel.com

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Stuart Summers 2019-08-23 09:03:00 -07:00 • committed by Chris Wilson

parent 7a200aad11

commit 49610c377b

4 changed files with 11 additions and 8 deletions

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2

drivers/gpu/drm/i915/gt/intel_sseu.c

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3

drivers/gpu/drm/i915/gt/intel_sseu.h

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5

drivers/gpu/drm/i915/i915_query.c

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9

drivers/gpu/drm/i915/intel_device_info.c

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