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drm/i915: Squelch nop wait-for-idle trace 

If the system is already idle, omit the GEM_TRACE saying we are about to
wait for idle. It looks confusing in the logs to see a continual stream
of wait-for-idle, as one immediately assumes it is stuck in a loop.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190723091218.5886-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-07-23 10:12:18 +01:00
parent d8bf0e7627
commit 14f8a0eb02
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/i915/i915_gem.c
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@ -951,15 +951,15 @@ wait_for_timelines(struct drm_i915_private *i915,
int i915_gem_wait_for_idle(struct drm_i915_private *i915,
unsigned int flags, long timeout)
{
/* If the device is asleep, we have no requests outstanding */
if (!READ_ONCE(i915->gt.awake))
return 0;
GEM_TRACE("flags=%x (%s), timeout=%ld%s, awake?=%s\n",
flags, flags & I915_WAIT_LOCKED ? "locked" : "unlocked",
timeout, timeout == MAX_SCHEDULE_TIMEOUT ? " (forever)" : "",
yesno(i915->gt.awake));
/* If the device is asleep, we have no requests outstanding */
if (!READ_ONCE(i915->gt.awake))
return 0;
timeout = wait_for_timelines(i915, flags, timeout);
if (timeout < 0)
return timeout;