[Intel-gfx] [PATCH] drm/i915: Show per-engine default property values in sysfs

[Chris Wilson]

Quoting Chris Wilson (2020-04-23 15:26:04)
> Why?

Actually this would be quite useful!

> /sys/class/drm/card0/engine/rcs0/
> ├── capabilities
> ├── class
> ├── .defaults
> │   ├── heartbeat_interval_ms
> │   ├── max_busywait_duration_ns
> │   ├── preempt_timeout_ms
> │   ├── stop_timeout_ms
> │   └── timeslice_duration_ms
> ├── heartbeat_interval_ms
> ├── instance
> ├── known_capabilities
> ├── max_busywait_duration_ns
> ├── mmio_base
> ├── name
> ├── preempt_timeout_ms
> ├── stop_timeout_ms
> └── timeslice_duration_ms
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>