deepak.s@xxxxxxxxxxxxxxx writes:
> 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>
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> ---
> 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
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
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