drm/kms: disable/enable poll around switcheroo on/off
Because we aren't in a suspend state the poll will still run when we have switcherooed a card off. Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -860,19 +860,24 @@ static void output_poll_execute(struct slow_work *work)
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}
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}
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void drm_kms_helper_poll_init(struct drm_device *dev)
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void drm_kms_helper_poll_disable(struct drm_device *dev)
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{
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if (!dev->mode_config.poll_enabled)
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return;
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delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
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}
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EXPORT_SYMBOL(drm_kms_helper_poll_disable);
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void drm_kms_helper_poll_enable(struct drm_device *dev)
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{
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struct drm_connector *connector;
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bool poll = false;
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struct drm_connector *connector;
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int ret;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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if (connector->polled)
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poll = true;
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}
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slow_work_register_user(THIS_MODULE);
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delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
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&output_poll_ops);
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if (poll) {
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ret = delayed_slow_work_enqueue(&dev->mode_config.output_poll_slow_work, DRM_OUTPUT_POLL_PERIOD);
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@ -880,11 +885,22 @@ void drm_kms_helper_poll_init(struct drm_device *dev)
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DRM_ERROR("delayed enqueue failed %d\n", ret);
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}
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}
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EXPORT_SYMBOL(drm_kms_helper_poll_enable);
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void drm_kms_helper_poll_init(struct drm_device *dev)
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{
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slow_work_register_user(THIS_MODULE);
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delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
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&output_poll_ops);
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dev->mode_config.poll_enabled = true;
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drm_kms_helper_poll_enable(dev);
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}
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EXPORT_SYMBOL(drm_kms_helper_poll_init);
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void drm_kms_helper_poll_fini(struct drm_device *dev)
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{
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delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
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drm_kms_helper_poll_disable(dev);
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slow_work_unregister_user(THIS_MODULE);
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}
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EXPORT_SYMBOL(drm_kms_helper_poll_fini);
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@ -1399,12 +1399,14 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_
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struct drm_device *dev = pci_get_drvdata(pdev);
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pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
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if (state == VGA_SWITCHEROO_ON) {
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printk(KERN_INFO "i915: switched off\n");
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printk(KERN_INFO "i915: switched on\n");
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/* i915 resume handler doesn't set to D0 */
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pci_set_power_state(dev->pdev, PCI_D0);
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i915_resume(dev);
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drm_kms_helper_poll_enable(dev);
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} else {
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printk(KERN_ERR "i915: switched off\n");
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drm_kms_helper_poll_disable(dev);
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i915_suspend(dev, pmm);
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}
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}
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@ -376,12 +376,15 @@ out_err:
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static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
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enum vga_switcheroo_state state)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
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if (state == VGA_SWITCHEROO_ON) {
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printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
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nouveau_pci_resume(pdev);
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drm_kms_helper_poll_enable(dev);
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} else {
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printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
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drm_kms_helper_poll_disable(dev);
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nouveau_pci_suspend(pdev, pmm);
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}
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}
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@ -546,8 +546,10 @@ static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero
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/* don't suspend or resume card normally */
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rdev->powered_down = false;
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radeon_resume_kms(dev);
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drm_kms_helper_poll_enable(dev);
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} else {
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printk(KERN_INFO "radeon: switched off\n");
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drm_kms_helper_poll_disable(dev);
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radeon_suspend_kms(dev, pmm);
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/* don't suspend or resume card normally */
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rdev->powered_down = true;
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@ -130,4 +130,7 @@ extern int drm_helper_resume_force_mode(struct drm_device *dev);
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extern void drm_kms_helper_poll_init(struct drm_device *dev);
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extern void drm_kms_helper_poll_fini(struct drm_device *dev);
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extern void drm_helper_hpd_irq_event(struct drm_device *dev);
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extern void drm_kms_helper_poll_disable(struct drm_device *dev);
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extern void drm_kms_helper_poll_enable(struct drm_device *dev);
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#endif
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