drm/i915: No TLB invalidation on suspended GT

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In case of GT is suspended, don't allow submission of new TLB invalidation
request and cancel all pending requests. The TLB entries will be
invalidated either during GuC reload or on system resume.

Signed-off-by: Fei Yang <fei.yang@intel.com>
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
CC: John Harrison <john.c.harrison@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Acked-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231017180806.3054290-5-jonathan.cavitt@intel.com

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Jonathan Cavitt 2023-10-17 11:08:03 -07:00 • committed by Andi Shyti

parent af58ee2276

commit 2202eca003

3 changed files with 23 additions and 9 deletions

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1

drivers/gpu/drm/i915/gt/uc/intel_guc.h

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24

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

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7

drivers/gpu/drm/i915/gt/uc/intel_uc.c

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