Commit 28964cf2 authored by Lionel Landwerlin's avatar Lionel Landwerlin

drm/i915/perf: disable NOA logic when not used

We already do it on Haswell and the documentation says it saves power.
Signed-off-by: default avatarLionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170803165812.2373-5-lionel.g.landwerlin@intel.com
parent 3802c5cb
...@@ -1827,6 +1827,10 @@ static void gen8_disable_metric_set(struct drm_i915_private *dev_priv) ...@@ -1827,6 +1827,10 @@ static void gen8_disable_metric_set(struct drm_i915_private *dev_priv)
{ {
/* Reset all contexts' slices/subslices configurations. */ /* Reset all contexts' slices/subslices configurations. */
gen8_configure_all_contexts(dev_priv, NULL, false); gen8_configure_all_contexts(dev_priv, NULL, false);
I915_WRITE(GDT_CHICKEN_BITS, (I915_READ(GDT_CHICKEN_BITS) &
~GT_NOA_ENABLE));
} }
static void gen7_oa_enable(struct drm_i915_private *dev_priv) static void gen7_oa_enable(struct drm_i915_private *dev_priv)
......
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