diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-19 07:31:13 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-19 15:28:26 +0100 |
| commit | ad6586850b6d718b1245bad6702028c1c773cfb9 (patch) | |
| tree | 4e27bc8212c37eaf3541a431effa753011639e64 /drivers/gpu/drm/i915/gt/selftest_lrc.c | |
| parent | b86fc6e5e89e5645b43f57171c26740ef38f9f4a (diff) | |
drm/i915/selftests: Change priority overflow detection
Check for integer overflow in the priority chain, rather than against a
type-constricted max-priority check.
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/20200519063123.20673-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_lrc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 94854a467e66..3e042fa4b94b 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -2735,12 +2735,12 @@ static int live_preempt_gang(void *arg) /* Submit each spinner at increasing priority */ engine->schedule(rq, &attr); + if (prio < attr.priority) + break; + if (prio <= I915_PRIORITY_MAX) continue; - if (prio > (INT_MAX >> I915_USER_PRIORITY_SHIFT)) - break; - if (__igt_timeout(end_time, NULL)) break; } while (1); |