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Commit 03872064 authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: get/put runtime PM at i915_semaphore_status 



Otherwise we will print some WARNs when we read registers and the
machine is suspended.

Testcase: igt/pm_rpm/debugfs-read
Cc: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: default avatarBen Widawsky <ben@bwidawsk.net>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 9ccd5aeb

drivers/gpu/drm/i915/i915_debugfs.c

+2 −0
Original line number Diff line number Diff line
@@ -2314,6 +2314,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused) 
	ret = mutex_lock_interruptible(&dev->struct_mutex);

	if (ret)

		return ret;

	intel_runtime_pm_get(dev_priv);



	if (IS_BROADWELL(dev)) {

		struct page *page;
@@ -2363,6 +2364,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused) 
	}

	seq_putc(m, '\n');



	intel_runtime_pm_put(dev_priv);

	mutex_unlock(&dev->struct_mutex);

	return 0;

}