diff options
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 09d6e9e2e075..c3bd664ea733 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -122,7 +122,7 @@ int drm_irq_install(struct drm_device *dev, int irq) dev->driver->irq_preinstall(dev); /* PCI devices require shared interrupts. */ - if (dev->pdev) + if (dev_is_pci(dev->dev)) sh_flags = IRQF_SHARED; ret = request_irq(irq, dev->driver->irq_handler, @@ -140,7 +140,7 @@ int drm_irq_install(struct drm_device *dev, int irq) if (ret < 0) { dev->irq_enabled = false; if (drm_core_check_feature(dev, DRIVER_LEGACY)) - vga_client_register(dev->pdev, NULL, NULL, NULL); + vga_client_register(to_pci_dev(dev->dev), NULL, NULL, NULL); free_irq(irq, dev); } else { dev->irq = irq; @@ -203,7 +203,7 @@ int drm_irq_uninstall(struct drm_device *dev) DRM_DEBUG("irq=%d\n", dev->irq); if (drm_core_check_feature(dev, DRIVER_LEGACY)) - vga_client_register(dev->pdev, NULL, NULL, NULL); + vga_client_register(to_pci_dev(dev->dev), NULL, NULL, NULL); if (dev->driver->irq_uninstall) dev->driver->irq_uninstall(dev); @@ -214,12 +214,45 @@ int drm_irq_uninstall(struct drm_device *dev) } EXPORT_SYMBOL(drm_irq_uninstall); +static void devm_drm_irq_uninstall(void *data) +{ + drm_irq_uninstall(data); +} + +/** + * devm_drm_irq_install - install IRQ handler + * @dev: DRM device + * @irq: IRQ number to install the handler for + * + * devm_drm_irq_install is a help function of drm_irq_install. + * + * if the driver uses devm_drm_irq_install, there is no need + * to call drm_irq_uninstall when the drm module get unloaded, + * as this will done automagically. + * + * Returns: + * Zero on success or a negative error code on failure. + */ +int devm_drm_irq_install(struct drm_device *dev, int irq) +{ + int ret; + + ret = drm_irq_install(dev, irq); + if (ret) + return ret; + + return devm_add_action_or_reset(dev->dev, + devm_drm_irq_uninstall, dev); +} +EXPORT_SYMBOL(devm_drm_irq_install); + #if IS_ENABLED(CONFIG_DRM_LEGACY) int drm_legacy_irq_control(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_control *ctl = data; int ret = 0, irq; + struct pci_dev *pdev; /* if we haven't irq we fallback for compatibility reasons - * this used to be a separate function in drm_dma.h @@ -230,12 +263,13 @@ int drm_legacy_irq_control(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_LEGACY)) return 0; /* UMS was only ever supported on pci devices. */ - if (WARN_ON(!dev->pdev)) + if (WARN_ON(!dev_is_pci(dev->dev))) return -EINVAL; switch (ctl->func) { case DRM_INST_HANDLER: - irq = dev->pdev->irq; + pdev = to_pci_dev(dev->dev); + irq = pdev->irq; if (dev->if_version < DRM_IF_VERSION(1, 2) && ctl->irq != irq) |