From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
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@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> (v2)
---
drivers/gpu/drm/i915/i915_debugfs.c | 9 ++-------
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_sysfs.c | 11 +++--------
drivers/gpu/drm/i915/intel_pm.c | 14 ++++++++++++++
4 files changed, 21 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 533ba096b9a6..573f55a924bb 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1151,13 +1151,8 @@ 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 07b9e78bbe96..98f526a27fbe 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -4222,6 +4222,8 @@ int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
u64 intel_rc6_residency_us(struct drm_i915_private *dev_priv,
const i915_reg_t reg);
+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/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 791759f632e1..450ac7d343ad 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -252,14 +252,9 @@ static ssize_t gt_act_freq_mhz_show(struct device *kdev,
freq = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
ret = intel_gpu_freq(dev_priv, (freq >> 8) & 0xff);
} else {
- u32 rpstat = I915_READ(GEN6_RPSTAT1);
- if (INTEL_GEN(dev_priv) >= 9)
- ret = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT;
- else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
- ret = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT;
- else
- ret = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
- ret = intel_gpu_freq(dev_priv, ret);
+ ret = intel_gpu_freq(dev_priv,
+ intel_get_cagf(dev_priv,
+ I915_READ(GEN6_RPSTAT1)));
}
mutex_unlock(&dev_priv->pcu_lock);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 8e7f02e6008a..b2d1390bee12 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -9450,3 +9450,17 @@ 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;
+}
--
2.14.1
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