diff options
| author | Andi Shyti <andi.shyti@linux.intel.com> | 2025-03-14 03:12:24 +0100 |
|---|---|---|
| committer | Andi Shyti <andi.shyti@linux.intel.com> | 2025-03-19 02:41:17 +0100 |
| commit | 5ba97b5925229ab9211c72de7ff40283685876a3 (patch) | |
| tree | a0cf29c2e9601a03cb1f7abc4153d62d0eaeddde | |
| parent | 5bebf804effe3dd85e01a71d6a1fd82f4a1b436f (diff) | |
drm/i915/gt: Use proper sleeping functions for timeouts shorter than 20ms
msleep is very imprecise for timeouts shorter than 20
milliseconds and most probably will sleep longer. Use
uslee_range() instead.
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com>
Reviewed-by: Krzysztof Karas <krzysztof.karas@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250314021225.11813-5-andi.shyti@linux.intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_rc6.c | 3 | ||||
| -rw-r--r-- | 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 27b6d51ef145..1f8bc5ac20c2 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)) { |