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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-07-13 09:10:35 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-07-14 15:22:58 +0100 |
| commit | 29ecd78d3b79746fc837b820accb062f6433d5fb (patch) | |
| tree | bb4c0a28731d80005a69f1731addb5bbbd73c2b8 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 99ac9612799475bdd4e3a7a0f0f40a93d6c9eaa6 (diff) | |
| download | linux-29ecd78d3b79746fc837b820accb062f6433d5fb.tar.bz2 | |
drm/i915: Define a separate variable and control for RPS waitboost frequency
To allow the user finer control over waitboosting, allow them to set the
frequency we request for the boost. This also them allows to effectively
disable the boosting by setting the boost request to a low frequency.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1468397438-21226-5-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1c2aec392412..c8ed36765301 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1105,9 +1105,10 @@ static void gen6_pm_rps_work(struct work_struct *work) new_delay = dev_priv->rps.cur_freq; min = dev_priv->rps.min_freq_softlimit; max = dev_priv->rps.max_freq_softlimit; - - if (client_boost) { - new_delay = dev_priv->rps.max_freq_softlimit; + if (client_boost || any_waiters(dev_priv)) + max = dev_priv->rps.max_freq; + if (client_boost && new_delay < dev_priv->rps.boost_freq) { + new_delay = dev_priv->rps.boost_freq; adj = 0; } else if (pm_iir & GEN6_PM_RP_UP_THRESHOLD) { if (adj > 0) @@ -1122,7 +1123,7 @@ static void gen6_pm_rps_work(struct work_struct *work) new_delay = dev_priv->rps.efficient_freq; adj = 0; } - } else if (any_waiters(dev_priv)) { + } else if (client_boost || any_waiters(dev_priv)) { adj = 0; } else if (pm_iir & GEN6_PM_RP_DOWN_TIMEOUT) { if (dev_priv->rps.cur_freq > dev_priv->rps.efficient_freq) |