From: John Harrison <John.C.Harrison@xxxxxxxxx> Add a selftest to verify that the FAST_REQUEST mechanism (getting errors back from fire-and-forget H2G commands) is functional. Also fix up a potential false positive in the GuC hang selftest. v2: Fix some dumb over-complications and typos - review feedback from Daniele. Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx> John Harrison (2): drm/i915/guc: Fix for potential false positives in GuC hang selftest drm/i915/guc: Add a selftest for FAST_REQUEST errors drivers/gpu/drm/i915/gt/uc/intel_guc.h | 4 + drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 9 ++ drivers/gpu/drm/i915/gt/uc/selftest_guc.c | 115 ++++++++++++++++++ .../drm/i915/gt/uc/selftest_guc_hangcheck.c | 2 +- 4 files changed, 129 insertions(+), 1 deletion(-) -- 2.41.0