msleep is very unprecise for timeouts shorter than 20 milliseconds and most probably will sleep longer. Use uslee_range() instead. Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gt/selftest_rc6.c | 3 ++- drivers/gpu/drm/i915/gt/selftest_tlb.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c b/drivers/gpu/drm/i915/gt/selftest_rc6.c index 908483ab0bc8..99de5d85a096 100644 --- a/drivers/gpu/drm/i915/gt/selftest_rc6.c +++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c @@ -60,7 +60,8 @@ int live_rc6_manual(void *arg) /* Force RC6 off for starters */ __intel_rc6_disable(rc6); - msleep(1); /* wakeup is not immediate, takes about 100us on icl */ + /* wakeup is not immediate, takes about 100us on icl */ + usleep_range(1000, 2000); res[0] = rc6_residency(rc6); diff --git a/drivers/gpu/drm/i915/gt/selftest_tlb.c b/drivers/gpu/drm/i915/gt/selftest_tlb.c index 3941f2d6fa47..69ed946a39e5 100644 --- a/drivers/gpu/drm/i915/gt/selftest_tlb.c +++ b/drivers/gpu/drm/i915/gt/selftest_tlb.c @@ -143,7 +143,7 @@ pte_tlbinv(struct intel_context *ce, if (ce->engine->class == OTHER_CLASS) msleep(200); else - msleep(10); + usleep_range(10000, 20000); if (va == vb) { if (!i915_request_completed(rq)) { -- 2.47.2