From: Deepak S <deepak.s@xxxxxxxxxxxxxxx> We might be leaving the GPU Frequency (and thus vnn) high during the suspend. Force gt to move to lowest freq while suspending. v2: Fixed typo in commit message (Deepak) v3: Force gt to lowest freq in suspend_gt_powersave (Daniel) Signed-off-by: Deepak S <deepak.s@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 2043c4b..6bbb90b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4881,6 +4881,9 @@ void intel_suspend_gt_powersave(struct drm_device *dev) /* Interrupts should be disabled already to avoid re-arming. */ WARN_ON(dev->irq_enabled); + /* Force GPU to min freq during suspend */ + gen6_rps_idle(dev_priv); + flush_delayed_work(&dev_priv->rps.delayed_resume_work); cancel_work_sync(&dev_priv->rps.work); -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
