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drm/i915: Improve PSR debugfs output

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Add busy_frontbuffer_bits and locking.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-07-11 10:30:17 -07:00
parent 9ca153017e
commit fa128fa647
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/i915/i915_debugfs.c
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@ -1892,10 +1892,15 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
intel_runtime_pm_get(dev_priv); intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->psr.lock);
seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support));
seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok));
seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled));
seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active));
seq_printf(m, "Busy frontbuffer bits: 0x%03x\n",
dev_priv->psr.busy_frontbuffer_bits);
seq_printf(m, "Re-enable work scheduled: %s\n",
yesno(work_busy(&dev_priv->psr.work.work)));
enabled = HAS_PSR(dev) && enabled = HAS_PSR(dev) &&
I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE; I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE;
@ -1905,6 +1910,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) & psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) &
EDP_PSR_PERF_CNT_MASK; EDP_PSR_PERF_CNT_MASK;
seq_printf(m, "Performance_Counter: %u\n", psrperf); seq_printf(m, "Performance_Counter: %u\n", psrperf);
mutex_unlock(&dev_priv->psr.lock);
intel_runtime_pm_put(dev_priv); intel_runtime_pm_put(dev_priv);
return 0; return 0;