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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-01-07 14:38:26 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-01-09 08:33:23 +0000 |
| commit | 6e8b0f53c328c4065c53bca4577f428ddd11b103 (patch) | |
| tree | 8ac44134f0eb69cbed064890529c97ae9455214e /drivers/gpu/drm/i915 | |
| parent | 542dfab53ed04a06851e54d616ff433609db279f (diff) | |
| download | linux-stable-6e8b0f53c328c4065c53bca4577f428ddd11b103.tar.gz linux-stable-6e8b0f53c328c4065c53bca4577f428ddd11b103.tar.bz2 linux-stable-6e8b0f53c328c4065c53bca4577f428ddd11b103.zip | |
drm/i915/gt: Drop a defunct timeline assertion
intel_timeline_enter() has been decoupled from intel_timeline_pin() and
both enter/exit & pin/unpin are allowed [read expected] to run
concurrently with one another. The assertion that they had better not is
stale.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/940
References: a6edbca74b30 ("drm/i915/gt: Close race between engine_park and intel_gt_retire_requests")
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/20200107143826.3298401-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_timeline.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c index ee5dc4fbdeb9..87716529cd2f 100644 --- a/drivers/gpu/drm/i915/gt/intel_timeline.c +++ b/drivers/gpu/drm/i915/gt/intel_timeline.c @@ -348,7 +348,6 @@ void intel_timeline_enter(struct intel_timeline *tl) * use atomic to manipulate tl->active_count. */ lockdep_assert_held(&tl->mutex); - GEM_BUG_ON(!atomic_read(&tl->pin_count)); if (atomic_add_unless(&tl->active_count, 1, 0)) return; |