From 76e4e4b532bc9f289039c569063ec4b2e0ef2cc4 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 20 Feb 2017 09:47:08 +0000 Subject: [PATCH] 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 Link: http://patchwork.freedesktop.org/patch/msgid/20170220094713.22874-2-chris@chris-wilson.co.uk Reviewed-by: Radoslaw Szwichtenberg --- drivers/gpu/drm/i915/intel_pm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e1878cb5d569..af11c4090c07 100644 --- 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