| Message ID | 1423566354-5532-7-git-send-email-yu.c.zhang@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3c64810..177ff97 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5623,6 +5623,10 @@ void intel_enable_gt_powersave(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + /* Powersaving is controlled by the host when inside a VM */ + if (intel_vgpu_active(dev)) + return; + if (IS_IRONLAKE_M(dev)) { mutex_lock(&dev->struct_mutex); ironlake_enable_drps(dev);
With Intel GVT-g, GPU power management is controlled by host driver, so there is no need to provide virtualized GPU PM support. In the future it might be useful to gather VM input for freq boost, but now let's disable it simply. v2: take Chris' comments: - do not special case this to gen6+ Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com> Signed-off-by: Jike Song <jike.song@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 1 file changed, 4 insertions(+)