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drm/i915: Show the execlist queue in debugfs/i915_engine_info

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When looking at freezes whilst working on execlists, knowing the order
of the pending requests in the driver is useful.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20161027000348.4641-2-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Chris Wilson 2016-10-27 01:03:43 +01:00
parent 56cea32382
commit c8247c0671
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/i915/i915_debugfs.c
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@ -3255,6 +3255,12 @@ static int i915_engine_info(struct seq_file *m, void *unused)
else
seq_printf(m, "\t\tELSP[1] idle\n");
rcu_read_unlock();
spin_lock_irq(&engine->execlist_lock);
list_for_each_entry(rq, &engine->execlist_queue, execlist_link) {
print_request(m, rq, "\t\tQ ");
}
spin_unlock_irq(&engine->execlist_lock);
} else if (INTEL_GEN(dev_priv) > 6) {
seq_printf(m, "\tPP_DIR_BASE: 0x%08x\n",
I915_READ(RING_PP_DIR_BASE(engine)));