[RFC 03/11] drm/i915: Extract intel_get_cagf

[Tvrtko Ursulin <tursulin@ursulin.net>]

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Code to be shared between debugfs and the PMU implementation.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c |  8 +-------
 drivers/gpu/drm/i915/i915_drv.h     |  1 +
 drivers/gpu/drm/i915/intel_pm.c     | 14 ++++++++++++++
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index b3a4a66bf7c4..1fd777fb5e9e 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1112,13 +1112,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
 		rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
 		rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK;
 		rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK;
-		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;
-		cagf = intel_gpu_freq(dev_priv, cagf);
+		cagf = intel_gpu_freq(dev_priv, intel_get_cagf(dev_priv, rpstat));
 
 		intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 826c74970ce9..48daf9552163 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -4124,6 +4124,7 @@ static inline u64 intel_rc6_residency_us(struct drm_i915_private *dev_priv,
 }
 
 u64 intel_energy_uJ(struct drm_i915_private *dev_priv);
+u32 intel_get_cagf(struct drm_i915_private *dev_priv, u32 rpstat1);
 
 #define I915_READ8(reg)		dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
 #define I915_WRITE8(reg, val)	dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ff67df8d99fa..9759c99b72bf 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -9394,3 +9394,17 @@ unsigned long long intel_energy_uJ(struct drm_i915_private *dev_priv)
 
 	return power;
 }
+
+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;
+}
-- 
2.9.5

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