101 int drm_irq_install(struct drm_device *dev, int irq)  in drm_irq_install()  argument
106           if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))  in drm_irq_install()
113           if (!dev->dev_private)  in drm_irq_install()
116           if (dev->irq_enabled)  in drm_irq_install()
118           dev->irq_enabled = true;  in drm_irq_install()
123           if (dev->driver->irq_preinstall)  in drm_irq_install()
124                     dev->driver->irq_preinstall(dev);  in drm_irq_install()
127           if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))  in drm_irq_install()
130           ret = request_irq(irq, dev->driver->irq_handler,  in drm_irq_install()
131                                 sh_flags, dev->driver->name, dev);  in drm_irq_install()
134                     dev->irq_enabled = false;  in drm_irq_install()
139           if (dev->driver->irq_postinstall)  in drm_irq_install()
140                     ret = dev->driver->irq_postinstall(dev);  in drm_irq_install()
143                     dev->irq_enabled = false;  in drm_irq_install()
145                     if (drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_irq_install()
146                               vga_client_register(dev->pdev, NULL, NULL, NULL);  in drm_irq_install()
148                     free_irq(irq, dev);  in drm_irq_install()
150                     dev->irq = irq;  in drm_irq_install()
173 int drm_irq_uninstall(struct drm_device *dev)  in drm_irq_uninstall()  argument
179           if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))  in drm_irq_uninstall()
182           irq_enabled = dev->irq_enabled;  in drm_irq_uninstall()
183           dev->irq_enabled = false;  in drm_irq_uninstall()
191           if (dev->num_crtcs) {  in drm_irq_uninstall()
192                     spin_lock_irqsave(&dev->vbl_lock, irqflags);  in drm_irq_uninstall()
193                     for (i = 0; i < dev->num_crtcs; i++) {  in drm_irq_uninstall()
194                               struct drm_vblank_crtc *vblank = &dev->vblank[i];  in drm_irq_uninstall()
199                               WARN_ON(drm_core_check_feature(dev, DRIVER_MODESET));  in drm_irq_uninstall()
201                               drm_vblank_disable_and_save(dev, i);  in drm_irq_uninstall()
204                     spin_unlock_irqrestore(&dev->vbl_lock, irqflags);  in drm_irq_uninstall()
210           DRM_DEBUG("irq=%d\n", dev->irq);  in drm_irq_uninstall()
213           if (drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_irq_uninstall()
214                     vga_client_register(dev->pdev, NULL, NULL, NULL);  in drm_irq_uninstall()
217           if (dev->driver->irq_uninstall)  in drm_irq_uninstall()
218                     dev->driver->irq_uninstall(dev);  in drm_irq_uninstall()
220           free_irq(dev->irq, dev);  in drm_irq_uninstall()
226 int drm_legacy_irq_control(struct drm_device *dev, void *data,  in drm_legacy_irq_control()  argument
236           if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))  in drm_legacy_irq_control()
238           if (!drm_core_check_feature(dev, DRIVER_LEGACY))  in drm_legacy_irq_control()
241           if (WARN_ON(!dev->pdev))  in drm_legacy_irq_control()
246                     irq = dev->pdev->irq;  in drm_legacy_irq_control()
248                     if (dev->if_version < DRM_IF_VERSION(1, 2) &&  in drm_legacy_irq_control()
251                     mutex_lock(&dev->struct_mutex);  in drm_legacy_irq_control()
252                     ret = drm_irq_install(dev, irq);  in drm_legacy_irq_control()
253                     mutex_unlock(&dev->struct_mutex);  in drm_legacy_irq_control()
257                     mutex_lock(&dev->struct_mutex);  in drm_legacy_irq_control()
258                     ret = drm_irq_uninstall(dev);  in drm_legacy_irq_control()
259                     mutex_unlock(&dev->struct_mutex);  in drm_legacy_irq_control()