drm/i915: Store preemption capability in engine->flags
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 3 Apr 2018 18:35:37 +0000 (19:35 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 4 Apr 2018 08:22:09 +0000 (09:22 +0100)
commit2a694feb93556e979793081b5086f26fa8d65156
treed444bc076e99ea460f7d10d53036c0975dc7a0be
parentf26052079070cd0e8940717a7a7cb7cdd512ac05
drm/i915: Store preemption capability in engine->flags

Let's avoid having to delve down the pointer chain to see if the i915
device has support for preemption and store that on the engine, which
made the decision in the first place!

v2: Refactor common preemption policy between execlists/guc.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: MichaƂ Winiarski <michal.winiarski@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180403183537.5522-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/intel_guc_submission.c
drivers/gpu/drm/i915/intel_lrc.c
drivers/gpu/drm/i915/intel_ringbuffer.h