From b0e5ddf3236bca2c67f7b4454b1c2ba520149c23 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Tue, 1 Apr 2014 14:55:10 -0300 Subject: [PATCH] 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 Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_debugfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 7522f97..23a6516 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -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; } -- 2.7.4