From: Deepak S <deepak.s@xxxxxxxxxxxxxxx>
This is useful for userspace utilities to verify and micromanaging the
increase/decrease frequncy.
Signed-off-by: Deepak S <deepak.s@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_sysfs.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 86ce39a..b15c8ce 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -461,11 +461,20 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr
mutex_unlock(&dev->struct_mutex);
if (attr == &dev_attr_gt_RP0_freq_mhz) {
- val = ((rp_state_cap & 0x0000ff) >> 0) * GT_FREQUENCY_MULTIPLIER;
+ if (IS_VALLEYVIEW(dev))
+ val = vlv_gpu_freq(dev_priv, dev_priv->rps.rp0_freq);
+ else
+ val = ((rp_state_cap & 0x0000ff) >> 0) * GT_FREQUENCY_MULTIPLIER;
} else if (attr == &dev_attr_gt_RP1_freq_mhz) {
- val = ((rp_state_cap & 0x00ff00) >> 8) * GT_FREQUENCY_MULTIPLIER;
+ if (IS_VALLEYVIEW(dev))
+ val = vlv_gpu_freq(dev_priv, dev_priv->rps.rp1_freq);
+ else
+ val = ((rp_state_cap & 0x00ff00) >> 8) * GT_FREQUENCY_MULTIPLIER;
} else if (attr == &dev_attr_gt_RPn_freq_mhz) {
- val = ((rp_state_cap & 0xff0000) >> 16) * GT_FREQUENCY_MULTIPLIER;
+ if (IS_VALLEYVIEW(dev))
+ val = vlv_gpu_freq(dev_priv, dev_priv->rps.min_freq);
+ else
+ val = ((rp_state_cap & 0xff0000) >> 16) * GT_FREQUENCY_MULTIPLIER;
} else {
BUG();
}
@@ -486,6 +495,9 @@ static const struct attribute *vlv_attrs[] = {
&dev_attr_gt_cur_freq_mhz.attr,
&dev_attr_gt_max_freq_mhz.attr,
&dev_attr_gt_min_freq_mhz.attr,
+ &dev_attr_gt_RP0_freq_mhz.attr,
+ &dev_attr_gt_RP1_freq_mhz.attr,
+ &dev_attr_gt_RPn_freq_mhz.attr,
&dev_attr_vlv_rpe_freq_mhz.attr,
NULL,
};
--
1.9.1
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