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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-02-26 21:10:27 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-02-26 17:48:00 +0100 |
| commit | 626ad6f37de1620e9ccd6b28f1743ee959b582c6 (patch) | |
| tree | c1445272821eb669cbf17e20e0d5a8f7c32ed9dc /drivers/gpu/drm/i915/i915_sysfs.c | |
| parent | 719cd21ceddb45b31394302cd9f2adc8b281e476 (diff) | |
| download | op-kernel-dev-626ad6f37de1620e9ccd6b28f1743ee959b582c6.zip op-kernel-dev-626ad6f37de1620e9ccd6b28f1743ee959b582c6.tar.gz | |
drm/i915: Add media rc6 residency file to sysfs
On VLV/CHV the media well rc6 residency gets reported separately
from the render well, so add another file to sysfs so that we can
report the residency to the user.
Testcase: igt/pm_rc6_residency --run-subtest media-rc6-accuracy
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_sysfs.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 186ab95..67bd07e 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -127,10 +127,19 @@ show_rc6pp_ms(struct device *kdev, struct device_attribute *attr, char *buf) return snprintf(buf, PAGE_SIZE, "%u\n", rc6pp_residency); } +static ssize_t +show_media_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf) +{ + struct drm_minor *dminor = dev_get_drvdata(kdev); + u32 rc6_residency = calc_residency(dminor->dev, VLV_GT_MEDIA_RC6); + return snprintf(buf, PAGE_SIZE, "%u\n", rc6_residency); +} + static DEVICE_ATTR(rc6_enable, S_IRUGO, show_rc6_mask, NULL); static DEVICE_ATTR(rc6_residency_ms, S_IRUGO, show_rc6_ms, NULL); static DEVICE_ATTR(rc6p_residency_ms, S_IRUGO, show_rc6p_ms, NULL); static DEVICE_ATTR(rc6pp_residency_ms, S_IRUGO, show_rc6pp_ms, NULL); +static DEVICE_ATTR(media_rc6_residency_ms, S_IRUGO, show_media_rc6_ms, NULL); static struct attribute *rc6_attrs[] = { &dev_attr_rc6_enable.attr, @@ -153,6 +162,16 @@ static struct attribute_group rc6p_attr_group = { .name = power_group_name, .attrs = rc6p_attrs }; + +static struct attribute *media_rc6_attrs[] = { + &dev_attr_media_rc6_residency_ms.attr, + NULL +}; + +static struct attribute_group media_rc6_attr_group = { + .name = power_group_name, + .attrs = media_rc6_attrs +}; #endif static int l3_access_valid(struct drm_device *dev, loff_t offset) @@ -606,6 +625,12 @@ void i915_setup_sysfs(struct drm_device *dev) if (ret) DRM_ERROR("RC6p residency sysfs setup failed\n"); } + if (IS_VALLEYVIEW(dev)) { + ret = sysfs_merge_group(&dev->primary->kdev->kobj, + &media_rc6_attr_group); + if (ret) + DRM_ERROR("Media RC6 residency sysfs setup failed\n"); + } #endif if (HAS_L3_DPF(dev)) { ret = device_create_bin_file(dev->primary->kdev, &dpf_attrs); |
