[Intel-gfx] [PATCH] drm/i915/psr: Add missing check for I915_PSR_DEBUG_IRQ bit

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Mon Aug 13 13:47:20 UTC 2018


Op 11-08-18 om 02:50 schreef Dhinakaran Pandiyan:
> We print the last attempted entry and last exit timestamps only when
> IRQ debug is requested. This check was missed when new debug flags were
> added in 'commit c44301fce614 ("drm/i915: Allow control of PSR at
> runtime through debugfs, v6")
>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 26b7e5276b15..374b550d9a4f 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2735,7 +2735,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
>  	psr_source_status(dev_priv, m);
>  	mutex_unlock(&dev_priv->psr.lock);
>  
> -	if (READ_ONCE(dev_priv->psr.debug)) {
> +	if (READ_ONCE(dev_priv->psr.debug) & I915_PSR_DEBUG_IRQ) {
>  		seq_printf(m, "Last attempted entry at: %lld\n",
>  			   dev_priv->psr.last_entry_attempt);
>  		seq_printf(m, "Last exit at: %lld\n",

Oops indeed.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>



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