diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2013-09-11 13:43:20 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-09-20 09:43:03 +0200 |
| commit | 5ffd494b8e88250d922db91037b4df676cb679a2 (patch) | |
| tree | dbe1a9cd51c4ac5b405f8f9a2eeff0daaac9f6f3 /drivers/gpu/drm/i915/i915_sysfs.c | |
| parent | a2b23fe04e183ef58ed45183e39dbc696f9600b1 (diff) | |
drm/i915/vlv: disable rc6p and rc6pp residency reporting on BYT
Byt doesn't have rc6p and rc6pp support and even more important the
the offsets of the residency registers there's something else. So Just
return a constant 0 to avoid upsetting userspace tools like powertop.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Explain a bit in the commit message what's going on.]
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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 7b4c79cdb39e..176de441002c 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -65,6 +65,8 @@ show_rc6p_ms(struct device *kdev, struct device_attribute *attr, char *buf) { struct drm_minor *dminor = container_of(kdev, struct drm_minor, kdev); u32 rc6p_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6p); + if (IS_VALLEYVIEW(dminor->dev)) + rc6p_residency = 0; return snprintf(buf, PAGE_SIZE, "%u\n", rc6p_residency); } @@ -73,6 +75,8 @@ show_rc6pp_ms(struct device *kdev, struct device_attribute *attr, char *buf) { struct drm_minor *dminor = container_of(kdev, struct drm_minor, kdev); u32 rc6pp_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6pp); + if (IS_VALLEYVIEW(dminor->dev)) + rc6pp_residency = 0; return snprintf(buf, PAGE_SIZE, "%u\n", rc6pp_residency); } |