diff options
| author | Chris Wilson <[email protected]> | 2015-04-27 13:41:20 +0100 |
|---|---|---|
| committer | Daniel Vetter <[email protected]> | 2015-05-21 15:11:43 +0200 |
| commit | a6f766f3975185af66a31a2cea2cd38721645999 (patch) | |
| tree | 71b34650fbd4dd16d690a9a23eb2702ae0d31fa2 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 03ade51185596a1d1028531c78fda557f244d676 (diff) | |
drm/i915: Limit ring synchronisation (sw sempahores) RPS boosts
Ring switches can occur many times per frame, and are often out of
control, causing frequent RPS boosting for no practical benefit. Treat
the sw semaphore synchronisation as a separate client and only allow it
to boost once per busy/idle cycle.
Signed-off-by: Chris Wilson <[email protected]>
[danvet: s/rq/req/]
Signed-off-by: Daniel Vetter <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5dda008698a2..da7120ddb485 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6884,6 +6884,7 @@ void intel_pm_setup(struct drm_device *dev) INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work, intel_gen6_powersave_work); INIT_LIST_HEAD(&dev_priv->rps.clients); + INIT_LIST_HEAD(&dev_priv->rps.semaphores.rps_boost); dev_priv->pm.suspended = false; } |