drm/i915: Fix build without CONFIG_PM

drivers/gpu/drm/i915/i915_debugfs.c: In function ‘i915_runtime_pm_status’:
drivers/gpu/drm/i915/i915_debugfs.c:2528:34: error: ‘struct dev_pm_info’ has no member named ‘usage_count’
      atomic_read(&dev->dev->power.usage_count));

Regression from commit a6aaec8be22652a808d6e316d4a92e58cb75e986
Author: Damien Lespiau <[email protected]>
Date:   Thu Jun 4 18:23:58 2015 +0100

    drm/i915: Add runtime PM's usage_count in i915_runtime_pm_status

Signed-off-by: Chris Wilson <[email protected]>
Cc: Damien Lespiau <[email protected]>
Cc: Paulo Zanoni <[email protected]>
Cc: Jani Nikula <[email protected]>
Reviewed-by: Damien Lespiau <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 47d9854434c598d2770dbb86990e562d5bc6e452..2ad71ef8677068c9bf981d7254535f93770f8c66 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2490,8 +2490,12 @@ static int i915_runtime_pm_status(struct seq_file *m, void *unused)
        seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy));
        seq_printf(m, "IRQs disabled: %s\n",
                   yesno(!intel_irqs_enabled(dev_priv)));
+#ifdef CONFIG_PM
        seq_printf(m, "Usage count: %d\n",
                   atomic_read(&dev->dev->power.usage_count));
+#else
+       seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n");
+#endif
 
        return 0;
 }