drm/i915/lrc: User PXP contexts requires runalone bit in lrc

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On Meteorlake onwards, HW specs require that all user contexts that
run on render or compute engines and require PXP must enforce
run-alone bit in lrc. Add this enforcement for protected contexts.

Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Vivaik Balasubrawmanian <vivaik.balasubrawmanian@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230917211933.1407559-4-alan.previn.teres.alexis@intel.com

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Alan Previn 2023-09-17 14:19:33 -07:00 • committed by John Harrison

parent c14d446e25

commit afddcbe41f

2 changed files with 24 additions and 0 deletions

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1

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

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23

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

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