drm/i915: don't get/put runtime PM at the debugfs forcewake file

Because gen6_gt_force_wake_{get,put} should already be responsible for
getting/putting runtime PM. If we keep these calls, debugfs will not
be testing the get/put calls of the forcewake functions.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 2bf7c42..b27b7a5 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3699,7 +3699,6 @@
 	if (INTEL_INFO(dev)->gen < 6)
 		return 0;
 
-	intel_runtime_pm_get(dev_priv);
 	gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
 
 	return 0;
@@ -3714,7 +3713,6 @@
 		return 0;
 
 	gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
-	intel_runtime_pm_put(dev_priv);
 
 	return 0;
 }