[Intel-gfx] [PATCH v2] drm/i915: Unifying debugfs return codes for unsupported features

[Chris Wilson]

Quoting Michal Wajdeczko (2017-12-15 14:36:35)
> Instead of trying different seq_puts messages, lets use common
> -ENODEV error code to indicate missing/unsupported feature.
> 
> v2: don't forget about guc_log_control fops (Sagar)
> 
> Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Sagar Arun Kamble <sagar.a.kamble at intel.com>
> Cc: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris