int cirrus_driver_load(struct drm_device *dev, unsigned long flags)
{
struct cirrus_device *cdev;
int r;
cdev = kzalloc(sizeof(struct cirrus_device), GFP_KERNEL);
if (cdev == NULL)
return -ENOMEM;
dev->dev_private = (void *)cdev;
r = cirrus_device_init(cdev, dev, dev->pdev, flags);
if (r) {
dev_err(&dev->pdev->dev, "Fatal error during GPU init: %d\n", r);
goto out;
}
r = cirrus_mm_init(cdev);
if (r)
dev_err(&dev->pdev->dev, "fatal err on mm init\n");
r = cirrus_modeset_init(cdev);
if (r)
dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
dev->mode_config.funcs = (void *)&cirrus_mode_funcs;
out:
if (r)
cirrus_driver_unload(dev);
return r;
}
int cirrus_driver_load(struct drm_device *dev, unsigned long flags)
{
struct cirrus_device *cdev;
int r;
cdev = kzalloc(sizeof(struct cirrus_device), GFP_KERNEL);
if (cdev == NULL)
return -ENOMEM;
dev->dev_private = (void *)cdev;
r = cirrus_device_init(cdev, dev, dev->pdev, flags);
if (r) {
dev_err(&dev->pdev->dev, "Fatal error during GPU init: %d\n", r);
goto out;
}
r = cirrus_mm_init(cdev);
if (r) {
dev_err(&dev->pdev->dev, "fatal err on mm init\n");
goto out;
}
/*
* cirrus_modeset_init() is initializing/registering the emulated fbdev
* and DRM internals can access/test some of the fields in
* mode_config->funcs as part of the fbdev registration process.
* Make sure dev->mode_config.funcs is properly set to avoid
* dereferencing a NULL pointer.
* FIXME: mode_config.funcs assignment should probably be done in
* cirrus_modeset_init() (that's a common pattern seen in other DRM
* drivers).
*/
dev->mode_config.funcs = &cirrus_mode_funcs;
r = cirrus_modeset_init(cdev);
if (r) {
dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
goto out;
}
return 0;
out:
cirrus_driver_unload(dev);
return r;
}