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drm/i915: Show FBC worker status in debugfs 

Include the pending update from the FBC worker in i915_fbc_status.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171220205848.8510-1-chris@chris-wilson.co.uk
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
hifive-unleashed-5.1
Chris Wilson 2017-12-20 20:58:48 +00:00
parent 20bdc112bb
commit 3138872ceb
1 changed files with 9 additions and 4 deletions
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13
drivers/gpu/drm/i915/i915_debugfs.c
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@ -1581,18 +1581,23 @@ static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
static int i915_fbc_status(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
struct intel_fbc *fbc = &dev_priv->fbc;
if (!HAS_FBC(dev_priv))
return -ENODEV;
intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->fbc.lock);
mutex_lock(&fbc->lock);
if (intel_fbc_is_active(dev_priv))
seq_puts(m, "FBC enabled\n");
else
seq_printf(m, "FBC disabled: %s\n",
dev_priv->fbc.no_fbc_reason);
seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason);
if (fbc->work.scheduled)
seq_printf(m, "FBC worker scheduled on vblank %u, now %llu\n",
fbc->work.scheduled_vblank,
drm_crtc_vblank_count(&fbc->crtc->base));
if (intel_fbc_is_active(dev_priv)) {
u32 mask;
@ -1612,7 +1617,7 @@ static int i915_fbc_status(struct seq_file *m, void *unused)
seq_printf(m, "Compressing: %s\n", yesno(mask));
}
mutex_unlock(&dev_priv->fbc.lock);
mutex_unlock(&fbc->lock);
intel_runtime_pm_put(dev_priv);
return 0;