[Intel-gfx] [PATCH] drm/i915: Show FBC worker status in debugfs

[Paulo Zanoni]

Em Qua, 2017-12-20 às 20:58 +0000, Chris Wilson escreveu:
> Include the pending update from the FBC worker in i915_fbc_status.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
> b/drivers/gpu/drm/i915/i915_debugfs.c
> index c4780f085428..931037a458be 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -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 %d, 

vblank %u since this is u32?

Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>

> 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;