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path: root/drivers/gpu/drm/i915/gt/selftest_tlb.c
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2023-02-01drm/i915/gt: Add selftests for TLB invalidationChris Wilson
Check that we invalidate the TLB cache, the updated physical addresses are immediately visible to the HW, and there is no retention of the old physical address for concurrent HW access. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> [ahajda: adjust to upstream driver, v2+] Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> [tursulin: Small indentation fix.] Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230130165058.1647414-1-andrzej.hajda@intel.com