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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-11 10:30:17 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-23 07:05:20 +0200 |
| commit | fa128fa647b81734ff83c3c5ee0d60ebf69e6ee5 (patch) | |
| tree | 9c5994830f53265fb55a9a089c8b4c4a61fd630a /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | 9ca153017e00550dbeda2718cfd69ca37de9c523 (diff) | |
| download | lwn-fa128fa647b81734ff83c3c5ee0d60ebf69e6ee5.tar.gz lwn-fa128fa647b81734ff83c3c5ee0d60ebf69e6ee5.zip | |
drm/i915: Improve PSR debugfs output
Add busy_frontbuffer_bits and locking.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 62ea6198a092..fc39610fe12d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1892,10 +1892,15 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) 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, "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, "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) && 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)) & EDP_PSR_PERF_CNT_MASK; seq_printf(m, "Performance_Counter: %u\n", psrperf); + mutex_unlock(&dev_priv->psr.lock); intel_runtime_pm_put(dev_priv); return 0; |