drm/i915: Make engine state pretty-printer header configurable
Pass in a format string (and args) to specify the header to be emitted
along with the engine state when pretty-printing. This allows the header
to be emitted inside the drm_printer stream, so sharing the same prefix
and output characteristics (e.g. debug level and filtering).
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/20171208012303.25504-2-chris@chris-wilson.co.uk
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 7b41a17..9ccc6bc 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3213,7 +3213,7 @@ static int i915_engine_info(struct seq_file *m, void *unused)
p = drm_seq_file_printer(m);
for_each_engine(engine, dev_priv, id)
- intel_engine_dump(engine, &p);
+ intel_engine_dump(engine, &p, "%s\n", engine->name);
intel_runtime_pm_put(dev_priv);