If min/max frequency is updated from debugfs/sysfs and device is
suspended, just update the driver tracking state cur_freq and it will
come into effect when HW becomes busy next.
v2: Folded awake check into if/else. (Jon)
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 560fc7a..96dbce5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5114,7 +5114,11 @@ void gen6_rps_boost(struct drm_i915_private *dev_priv,
void intel_set_rps(struct drm_i915_private *dev_priv, u8 val)
{
- if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ lockdep_assert_held(&dev_priv->rps.hw_lock);
+
+ if (!dev_priv->gt.awake)
+ dev_priv->rps.cur_freq = val;
+ else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
valleyview_set_rps(dev_priv, val);
else
gen6_set_rps(dev_priv, val);
--
1.9.1
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