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drm/i915: get runtime PM at i915_display_info 

Otherwise we may get some WARNs complaining that we're reading a
register while we're suspended.

Testcase: igt/pm_pc8/debugfs-read
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2014-04-01 14:55:10 -03:00 committed by Daniel Vetter
parent efbc20abd8
commit b0e5ddf323
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2319,9 +2319,11 @@ static int i915_display_info(struct seq_file *m, void *unused)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *crtc;
struct drm_connector *connector;
intel_runtime_pm_get(dev_priv);
drm_modeset_lock_all(dev);
seq_printf(m, "CRTC info\n");
seq_printf(m, "---------\n");
@ -2349,6 +2351,7 @@ static int i915_display_info(struct seq_file *m, void *unused)
intel_connector_info(m, connector);
}
drm_modeset_unlock_all(dev);
intel_runtime_pm_put(dev_priv);
return 0;
}