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drm/i915: Extract intel_get_cagf

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Code to be shared between debugfs and the PMU implementation.

v2: Checkpatch cleanup.
v3: Also consolidate i915_sysfs.c/gt_act_freq_mhz_show.
v4: Rebase.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171121181852.16128-1-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Tvrtko Ursulin
2017-11-21 18:18:44 +00:00
parent f9eb63b98c
commit c84b270546
4 changed files with 21 additions and 15 deletions
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14
drivers/gpu/drm/i915/intel_pm.c
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@@ -9468,3 +9468,17 @@ u64 intel_rc6_residency_us(struct drm_i915_private *dev_priv,
intel_runtime_pm_put(dev_priv);
return DIV_ROUND_UP_ULL(time_hw * units, div);
}
u32 intel_get_cagf(struct drm_i915_private *dev_priv, u32 rpstat)
{
u32 cagf;
if (INTEL_GEN(dev_priv) >= 9)
cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT;
else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT;
else
cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
return cagf;
}