In XenGT, GPU power management is controlled by host i915 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. Signed-off-by: Yu Zhang <yu.c.zhang@xxxxxxxxxxxxxxx> Signed-off-by: Jike Song <jike.song@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 50cf96b..3a80557 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5304,6 +5304,10 @@ 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); -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx