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drm/i915: Store the requested frequency whilst RPS is disabled
author
Chris Wilson
<chris@chris-wilson.co.uk>
Mon, 20 Feb 2017 09:47:08 +0000
(09:47 +0000)
committer
Chris Wilson
<chris@chris-wilson.co.uk>
Mon, 20 Feb 2017 12:40:29 +0000
(12:40 +0000)
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>
drivers/gpu/drm/i915/intel_pm.c
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diff --git
a/drivers/gpu/drm/i915/intel_pm.c
b/drivers/gpu/drm/i915/intel_pm.c
index e1878cb5d56922f4cacd580a82bd0f686a677a9e..af11c4090c075ab3caf505722c0d7fade8ee7370 100644
(file)
--- a/
drivers/gpu/drm/i915/intel_pm.c
+++ b/
drivers/gpu/drm/i915/intel_pm.c
@@
-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