diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 14 |
2 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 50dfc3a1a9d1..3fc2e3d71136 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -928,6 +928,7 @@ struct i915_power_domains { * time are on. They are kept on until after the first modeset. */ bool init_power_on; + bool initializing; int power_well_count; struct mutex lock; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0c33953cd270..eae82c70dcc1 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5696,11 +5696,13 @@ static void vlv_display_power_well_enable(struct drm_i915_private *dev_priv, spin_unlock_irq(&dev_priv->irq_lock); /* - * During driver initialization we need to defer enabling hotplug - * processing until fbdev is set up. + * During driver initialization/resume we can avoid restoring the + * part of the HW/SW state that will be inited anyway explicitly. */ - if (dev_priv->enable_hotplug_processing) - intel_hpd_init(dev_priv->dev); + if (dev_priv->power_domains.initializing) + return; + + intel_hpd_init(dev_priv->dev); i915_redisable_vga_power_on(dev_priv->dev); } @@ -6064,9 +6066,13 @@ static void intel_power_domains_resume(struct drm_i915_private *dev_priv) void intel_power_domains_init_hw(struct drm_i915_private *dev_priv) { + struct i915_power_domains *power_domains = &dev_priv->power_domains; + + power_domains->initializing = true; /* For now, we need the power well to be always enabled. */ intel_display_set_init_power(dev_priv, true); intel_power_domains_resume(dev_priv); + power_domains->initializing = false; } void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv) |