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drm/i915: Store the requested frequency whilst RPS is disabled 

If intel_set_rps() is called whilst the hw is disabled, just store the
requested frequency (from the user) for application when we wake the hw
up.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220094713.22874-2-chris@chris-wilson.co.uk
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>
This commit is contained in:
Chris Wilson 2017-02-20 09:47:08 +00:00
parent cfd1c48805
commit 76e4e4b532
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_pm.c
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@ -5105,6 +5105,11 @@ int intel_set_rps(struct drm_i915_private *dev_priv, u8 val)
GEM_BUG_ON(val > dev_priv->rps.max_freq);
GEM_BUG_ON(val < dev_priv->rps.min_freq);
if (!dev_priv->rps.enabled) {
dev_priv->rps.cur_freq = val;
return 0;
}
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
err = valleyview_set_rps(dev_priv, val);
else