static int i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
i915_restore_state(dev);
intel_opregion_init(dev, 1);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
error = i915_gem_init_ringbuffer(dev);
mutex_unlock(&dev->struct_mutex);
drm_irq_install(dev);
/* Resume the modeset for every activated CRTC */
drm_helper_resume_force_mode(dev);
}
dev_priv->modeset_on_lid = 0;
return error;
}
static int i915_resume(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret = 0;
pci_set_power_state(dev->pdev, PCI_D0);
pci_restore_state(dev->pdev);
if (pci_enable_device(dev->pdev))
return -1;
pci_set_master(dev->pdev);
i915_restore_state(dev);
intel_opregion_init(dev, 1);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
ret = i915_gem_init_ringbuffer(dev);
if (ret != 0)
ret = -1;
mutex_unlock(&dev->struct_mutex);
drm_irq_install(dev);
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
/* Resume the modeset for every activated CRTC */
drm_helper_resume_force_mode(dev);
}
return ret;
}
static int i915_resume(device_t nbdev)
{
struct drm_device *dev = device_get_softc(nbdev);
i915_restore_state(dev);
return (bus_generic_resume(nbdev));
}
static int i915_resume(device_t kdev)
{
struct drm_device *dev = device_get_softc(kdev);
DRM_LOCK();
i915_restore_state(dev);
DRM_DEBUG("finished resume\n");
DRM_UNLOCK();
return (bus_generic_resume(kdev));
}
static int __i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
intel_init_pch_refclk(dev);
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
error = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
/* We need working interrupts for modeset enabling ... */
drm_irq_install(dev);
intel_modeset_init_hw(dev);
intel_modeset_setup_hw_state(dev, false);
/*
* ... but also need to make sure that hotplug processing
* doesn't cause havoc. Like in the driver load code we don't
* bother with the tiny race here where we might loose hotplug
* notifications.
* */
intel_hpd_init(dev);
dev_priv->enable_hotplug_processing = true;
}
intel_opregion_init(dev);
/*
* The console lock can be pretty contented on resume due
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
if (console_trylock()) {
intel_fbdev_set_suspend(dev, 0);
console_unlock();
} else {
schedule_work(&dev_priv->console_resume_work);
}
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_DONE;
mutex_unlock(&dev_priv->modeset_restore_lock);
return error;
}
static int i915_resume(struct drm_device *dev)
{
if (pci_enable_device(dev->pdev))
return -EIO;
pci_set_master(dev->pdev);
i915_restore_state(dev);
intel_opregion_init(dev, 1);
return i915_drm_thaw(dev);
}
static int i915_resume(struct drm_device *dev)
{
pci_set_power_state(dev->pdev, PCI_D0);
pci_restore_state(dev->pdev);
if (pci_enable_device(dev->pdev))
return -1;
pci_set_master(dev->pdev);
i915_restore_state(dev);
intel_opregion_init(dev);
return 0;
}
static int i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
i915_gem_restore_gtt_mappings(dev);
mutex_unlock(&dev->struct_mutex);
}
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
error = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
if (HAS_PCH_SPLIT(dev))
ironlake_init_pch_refclk(dev);
drm_mode_config_reset(dev);
drm_irq_install(dev);
/* Resume the modeset for every activated CRTC */
mutex_lock(&dev->mode_config.mutex);
drm_helper_resume_force_mode(dev);
mutex_unlock(&dev->mode_config.mutex);
if (IS_IRONLAKE_M(dev))
ironlake_enable_rc6(dev);
}
intel_opregion_init(dev);
dev_priv->modeset_on_lid = 0;
console_lock();
intel_fbdev_set_suspend(dev, 0);
console_unlock();
return error;
}
static int i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
DRM_LOCK(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
i915_gem_restore_gtt_mappings(dev);
}
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
dev_priv->mm.suspended = 0;
error = i915_gem_init_hw(dev);
if (HAS_PCH_SPLIT(dev))
ironlake_init_pch_refclk(dev);
DRM_UNLOCK(dev);
lockmgr(&dev->mode_config.mutex, LK_EXCLUSIVE);
drm_mode_config_reset(dev);
lockmgr(&dev->mode_config.mutex, LK_RELEASE);
drm_irq_install(dev);
lockmgr(&dev->mode_config.mutex, LK_EXCLUSIVE);
/* Resume the modeset for every activated CRTC */
drm_helper_resume_force_mode(dev);
lockmgr(&dev->mode_config.mutex, LK_RELEASE);
if (IS_IRONLAKE_M(dev))
ironlake_enable_rc6(dev);
DRM_LOCK(dev);
}
intel_opregion_init(dev);
dev_priv->modeset_on_lid = 0;
DRM_UNLOCK(dev);
return error;
}
static int __i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
intel_init_pch_refclk(dev);
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
error = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
intel_modeset_init_hw(dev);
intel_modeset_setup_hw_state(dev, false);
drm_irq_install(dev);
}
intel_opregion_init(dev);
dev_priv->modeset_on_lid = 0;
#ifndef __NetBSD__ /* XXX fb */
/*
* The console lock can be pretty contented on resume due
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
if (console_trylock()) {
intel_fbdev_set_suspend(dev, 0);
console_unlock();
} else {
schedule_work(&dev_priv->console_resume_work);
}
#endif
return error;
}
static int i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
i915_gem_restore_gtt_mappings(dev);
mutex_unlock(&dev->struct_mutex);
}
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
ironlake_init_pch_refclk(dev);
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
error = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
intel_modeset_init_hw(dev);
intel_modeset_setup_hw_state(dev, false);
drm_mode_config_reset(dev);
drm_irq_install(dev);
}
intel_opregion_init(dev);
dev_priv->modeset_on_lid = 0;
console_lock();
intel_fbdev_set_suspend(dev, 0);
console_unlock();
return error;
}
static int i915_drm_resume(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
disable_rpm_wakeref_asserts(dev_priv);
mutex_lock(&dev->struct_mutex);
i915_gem_restore_gtt_mappings(dev);
mutex_unlock(&dev->struct_mutex);
i915_restore_state(dev);
intel_opregion_setup(dev);
intel_init_pch_refclk(dev);
drm_mode_config_reset(dev);
/*
* Interrupts have to be enabled before any batches are run. If not the
* GPU will hang. i915_gem_init_hw() will initiate batches to
* update/restore the context.
*
* Modeset enabling in intel_modeset_init_hw() also needs working
* interrupts.
*/
intel_runtime_pm_enable_interrupts(dev_priv);
mutex_lock(&dev->struct_mutex);
if (i915_gem_init_hw(dev)) {
DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n");
atomic_or(I915_WEDGED, &dev_priv->gpu_error.reset_counter);
}
mutex_unlock(&dev->struct_mutex);
intel_guc_resume(dev);
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);
intel_dp_mst_resume(dev);
intel_display_resume(dev);
/*
* ... but also need to make sure that hotplug processing
* doesn't cause havoc. Like in the driver load code we don't
* bother with the tiny race here where we might loose hotplug
* notifications.
* */
intel_hpd_init(dev_priv);
/* Config may have changed between suspend and resume */
drm_helper_hpd_irq_event(dev);
intel_opregion_init(dev);
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING, false);
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_DONE;
mutex_unlock(&dev_priv->modeset_restore_lock);
intel_opregion_notify_adapter(dev, PCI_D0);
drm_kms_helper_poll_enable(dev);
enable_rpm_wakeref_asserts(dev_priv);
return 0;
}
static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;
intel_uncore_early_sanitize(dev);
intel_uncore_sanitize(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET) &&
restore_gtt_mappings) {
mutex_lock(&dev->struct_mutex);
i915_gem_restore_gtt_mappings(dev);
mutex_unlock(&dev->struct_mutex);
}
intel_power_domains_init_hw(dev);
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
intel_init_pch_refclk(dev);
mutex_lock(&dev->struct_mutex);
error = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
/* We need working interrupts for modeset enabling ... */
drm_irq_install(dev);
intel_modeset_init_hw(dev);
drm_modeset_lock_all(dev);
drm_mode_config_reset(dev);
intel_modeset_setup_hw_state(dev, true);
drm_modeset_unlock_all(dev);
/*
* ... but also need to make sure that hotplug processing
* doesn't cause havoc. Like in the driver load code we don't
* bother with the tiny race here where we might loose hotplug
* notifications.
* */
intel_hpd_init(dev);
dev_priv->enable_hotplug_processing = true;
/* Config may have changed between suspend and resume */
intel_resume_hotplug(dev);
}
intel_opregion_init(dev);
/*
* The console lock can be pretty contented on resume due
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
if (console_trylock()) {
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING);
console_unlock();
} else {
schedule_work(&dev_priv->console_resume_work);
}
/* Undo what we did at i915_drm_freeze so the refcount goes back to the
* expected level. */
hsw_enable_package_c8(dev_priv);
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_DONE;
mutex_unlock(&dev_priv->modeset_restore_lock);
intel_runtime_pm_put(dev_priv);
return error;
}
static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (drm_core_check_feature(dev, DRIVER_MODESET) &&
restore_gtt_mappings) {
mutex_lock(&dev->struct_mutex);
i915_gem_restore_gtt_mappings(dev);
mutex_unlock(&dev->struct_mutex);
}
i915_restore_state(dev);
intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
intel_init_pch_refclk(dev);
drm_mode_config_reset(dev);
mutex_lock(&dev->struct_mutex);
if (i915_gem_init_hw(dev)) {
DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n");
atomic_set_mask(I915_WEDGED, &dev_priv->gpu_error.reset_counter);
}
mutex_unlock(&dev->struct_mutex);
intel_runtime_pm_restore_interrupts(dev);
intel_modeset_init_hw(dev);
{
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
if (dev_priv->display.hpd_irq_setup)
dev_priv->display.hpd_irq_setup(dev);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
intel_dp_mst_resume(dev);
drm_modeset_lock_all(dev);
intel_modeset_setup_hw_state(dev, true);
drm_modeset_unlock_all(dev);
/*
* ... but also need to make sure that hotplug processing
* doesn't cause havoc. Like in the driver load code we don't
* bother with the tiny race here where we might loose hotplug
* notifications.
* */
intel_hpd_init(dev);
/* Config may have changed between suspend and resume */
drm_helper_hpd_irq_event(dev);
}
intel_opregion_init(dev);
/*
* The console lock can be pretty contented on resume due
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
if (console_trylock()) {
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING);
console_unlock();
} else {
schedule_work(&dev_priv->console_resume_work);
}
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_DONE;
mutex_unlock(&dev_priv->modeset_restore_lock);
intel_opregion_notify_adapter(dev, PCI_D0);
return 0;
}
