diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 1e9c136a874c..68e42392f59c 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -880,6 +880,24 @@ int i915_reset(struct drm_device *dev) */ if (INTEL_INFO(dev)->gen > 5) intel_reset_gt_powersave(dev); + + if (IS_GEN4(dev) && !IS_G4X(dev)) { + intel_runtime_pm_disable_interrupts(dev_priv); + intel_runtime_pm_enable_interrupts(dev_priv); + + intel_modeset_init_hw(dev); + + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display.hpd_irq_setup) + dev_priv->display.hpd_irq_setup(dev); + spin_unlock_irq(&dev_priv->irq_lock); + + drm_modeset_lock_all(dev); + intel_modeset_setup_hw_state(dev, true); + drm_modeset_unlock_all(dev); + + intel_hpd_init(dev_priv); + } } else { mutex_unlock(&dev->struct_mutex); } |