diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-27 09:56:57 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-27 12:53:27 +0000 |
| commit | 730eaeb5242614eb202dd3ae4cebad3d2438db38 (patch) | |
| tree | 8542e8525489f6df4382ea7d5d75f21e60ac484f /drivers/gpu/drm/i915/gt/intel_rc6.h | |
| parent | 7e7129dcbd81721b8f69a535c686cedfded888c1 (diff) | |
drm/i915/gt: Manual rc6 entry upon parking
Now that we rapidly park the GT when the GPU idles, we often find
ourselves idling faster than the RC6 promotion timer. Thus if we tell
the GPU to enter RC6 manually as we park, we can do so quicker (by
around 50ms, half an EI on average) and marginally increase our
powersaving across all execlists platforms.
v2: Now with a selftest to check we can enter RC6 manually
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Acked-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191127095657.3209854-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_rc6.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_rc6.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.h b/drivers/gpu/drm/i915/gt/intel_rc6.h index 1370f6834a4c..20d740ff7e55 100644 --- a/drivers/gpu/drm/i915/gt/intel_rc6.h +++ b/drivers/gpu/drm/i915/gt/intel_rc6.h @@ -15,6 +15,9 @@ struct intel_rc6; void intel_rc6_init(struct intel_rc6 *rc6); void intel_rc6_fini(struct intel_rc6 *rc6); +void intel_rc6_unpark(struct intel_rc6 *rc6); +void intel_rc6_park(struct intel_rc6 *rc6); + void intel_rc6_sanitize(struct intel_rc6 *rc6); void intel_rc6_enable(struct intel_rc6 *rc6); void intel_rc6_disable(struct intel_rc6 *rc6); |