diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index f664884ad27f..f522a366223d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -788,10 +788,22 @@ static int i915_gem_request_info(struct seq_file *m, void *data) static void i915_ring_seqno_info(struct seq_file *m, struct intel_engine_cs *engine) { + struct intel_breadcrumbs *b = &engine->breadcrumbs; + struct rb_node *rb; + seq_printf(m, "Current sequence (%s): %x\n", engine->name, engine->get_seqno(engine)); seq_printf(m, "Current user interrupts (%s): %x\n", engine->name, READ_ONCE(engine->user_interrupts)); + + spin_lock(&b->lock); + for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { + struct intel_wait *w = container_of(rb, typeof(*w), node); + + seq_printf(m, "Waiting (%s): %s [%d] on %x\n", + engine->name, w->tsk->comm, w->tsk->pid, w->seqno); + } + spin_unlock(&b->lock); } static int i915_gem_seqno_info(struct seq_file *m, void *data) @@ -1428,6 +1440,8 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused) engine->hangcheck.seqno, seqno[id], engine->last_submitted_seqno); + seq_printf(m, "\twaiters? %d\n", + intel_engine_has_waiter(engine)); seq_printf(m, "\tuser interrupts = %x [current %x]\n", engine->hangcheck.user_interrupts, READ_ONCE(engine->user_interrupts)); @@ -2415,7 +2429,7 @@ static int count_irq_waiters(struct drm_i915_private *i915) int count = 0; for_each_engine(engine, i915) - count += engine->irq_refcount; + count += intel_engine_has_waiter(engine); return count; } |