diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-17 11:30:39 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-17 17:52:37 +0000 |
| commit | d33fcd798cb71268a48f5a26a8ab7ab0ddd51955 (patch) | |
| tree | 2090d63a149c8199842854274117dad4d593b3d3 /drivers/gpu/drm/i915/gt/intel_lrc.c | |
| parent | ac54c826cdd6858dfe0246fc3f195f5705675601 (diff) | |
drm/i915/gt: Ignore dt==0 for reporting underflows
The presumption was that some time would always elapse between recording
the start and the finish of a context switch. This turns out to be a
regular occurrence and emitting a debug statement superfluous.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117113103.21480-4-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 8a51c1c3a091..52b84474f93a 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1307,7 +1307,7 @@ static void reset_active(struct i915_request *rq, static void st_update_runtime_underflow(struct intel_context *ce, s32 dt) { #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) - ce->runtime.num_underflow += dt < 0; + ce->runtime.num_underflow++; ce->runtime.max_underflow = max_t(u32, ce->runtime.max_underflow, -dt); #endif } @@ -1324,7 +1324,7 @@ static void intel_context_update_runtime(struct intel_context *ce) ce->runtime.last = intel_context_get_runtime(ce); dt = ce->runtime.last - old; - if (unlikely(dt <= 0)) { + if (unlikely(dt < 0)) { CE_TRACE(ce, "runtime underflow: last=%u, new=%u, delta=%d\n", old, ce->runtime.last, dt); st_update_runtime_underflow(ce, dt); |