diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-12 10:10:39 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-12 13:18:13 +0100 |
| commit | acb9488dcad866987406aefc4f8298f2bf971575 (patch) | |
| tree | b56114554d434b544a0941cd457d8552831404a0 /drivers/gpu/drm/i915/gt | |
| parent | f597625d12ba3528658faf5b0f0aae657430a88a (diff) | |
drm/i915/selftests: Prevent the timeslice expiring during suppression tests
When testing whether we prevent suppressing preemption, it helps to
avoid a time slice expiring prematurely.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111108
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190812091045.29587-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_lrc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 91f1c9012489..b797be1627e9 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -913,6 +913,8 @@ static int live_suppress_self_preempt(void *arg) goto err_wedged; } + /* Keep postponing the timer to avoid premature slicing */ + mod_timer(&engine->execlists.timer, jiffies + HZ); for (depth = 0; depth < 8; depth++) { rq_b = spinner_create_request(&b.spin, b.ctx, engine, @@ -938,7 +940,8 @@ static int live_suppress_self_preempt(void *arg) igt_spinner_end(&a.spin); if (engine->execlists.preempt_hang.count) { - pr_err("Preemption recorded x%d, depth %d; should have been suppressed!\n", + pr_err("Preemption on %s recorded x%d, depth %d; should have been suppressed!\n", + engine->name, engine->execlists.preempt_hang.count, depth); err = -EINVAL; |