diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_sysfs.c | 57 |
1 files changed, 46 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 86ce39aad0ff..ae7fd8fc27f0 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -47,22 +47,45 @@ static u32 calc_residency(struct drm_device *dev, const u32 reg) intel_runtime_pm_get(dev_priv); - /* On VLV, residency time is in CZ units rather than 1.28us */ + /* On VLV and CHV, residency time is in CZ units rather than 1.28us */ if (IS_VALLEYVIEW(dev)) { - u32 clkctl2; + u32 reg, czcount_30ns; - clkctl2 = I915_READ(VLV_CLK_CTL2) >> - CLK_CTL2_CZCOUNT_30NS_SHIFT; - if (!clkctl2) { - WARN(!clkctl2, "bogus CZ count value"); + if (IS_CHERRYVIEW(dev)) + reg = CHV_CLK_CTL1; + else + reg = VLV_CLK_CTL2; + + czcount_30ns = I915_READ(reg) >> CLK_CTL2_CZCOUNT_30NS_SHIFT; + + if (!czcount_30ns) { + WARN(!czcount_30ns, "bogus CZ count value"); ret = 0; goto out; } - units = DIV_ROUND_UP_ULL(30ULL * bias, (u64)clkctl2); + + units = 0; + div = 1000000ULL; + + if (IS_CHERRYVIEW(dev)) { + /* Special case for 320Mhz */ + if (czcount_30ns == 1) { + div = 10000000ULL; + units = 3125ULL; + } else { + /* chv counts are one less */ + czcount_30ns += 1; + } + } + + if (units == 0) + units = DIV_ROUND_UP_ULL(30ULL * bias, + (u64)czcount_30ns); + if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH) units <<= 8; - div = 1000000ULL * bias; + div = div * bias; } raw_time = I915_READ(reg) * units; @@ -461,11 +484,20 @@ 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 +518,9 @@ 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, }; |