diff options
| -rw-r--r-- | drivers/gpu/drm/vgem/vgem_drv.c | 55 |
1 files changed, 24 insertions, 31 deletions
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index 15dd41e67de3..cb884c890065 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -401,16 +401,8 @@ static int vgem_prime_mmap(struct drm_gem_object *obj, return 0; } -static void vgem_release(struct drm_device *dev) -{ - struct vgem_device *vgem = container_of(dev, typeof(*vgem), drm); - - platform_device_unregister(vgem->platform); -} - static struct drm_driver vgem_driver = { .driver_features = DRIVER_GEM | DRIVER_RENDER, - .release = vgem_release, .open = vgem_open, .postclose = vgem_postclose, .gem_free_object_unlocked = vgem_gem_free_object, @@ -442,48 +434,49 @@ static struct drm_driver vgem_driver = { static int __init vgem_init(void) { int ret; + struct platform_device *pdev; - vgem_device = kzalloc(sizeof(*vgem_device), GFP_KERNEL); - if (!vgem_device) - return -ENOMEM; + pdev = platform_device_register_simple("vgem", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); - vgem_device->platform = - platform_device_register_simple("vgem", -1, NULL, 0); - if (IS_ERR(vgem_device->platform)) { - ret = PTR_ERR(vgem_device->platform); - goto out_free; + if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) { + ret = -ENOMEM; + goto out_unregister; } - dma_coerce_mask_and_coherent(&vgem_device->platform->dev, + dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); - ret = drm_dev_init(&vgem_device->drm, &vgem_driver, - &vgem_device->platform->dev); - if (ret) - goto out_unregister; - drmm_add_final_kfree(&vgem_device->drm, vgem_device); + + vgem_device = devm_drm_dev_alloc(&pdev->dev, &vgem_driver, + struct vgem_device, drm); + if (IS_ERR(vgem_device)) { + ret = PTR_ERR(vgem_device); + goto out_devres; + } + vgem_device->platform = pdev; /* Final step: expose the device/driver to userspace */ ret = drm_dev_register(&vgem_device->drm, 0); if (ret) - goto out_put; + goto out_devres; return 0; -out_put: - drm_dev_put(&vgem_device->drm); - platform_device_unregister(vgem_device->platform); - return ret; +out_devres: + devres_release_group(&pdev->dev, NULL); out_unregister: - platform_device_unregister(vgem_device->platform); -out_free: - kfree(vgem_device); + platform_device_unregister(pdev); return ret; } static void __exit vgem_exit(void) { + struct platform_device *pdev = vgem_device->platform; + drm_dev_unregister(&vgem_device->drm); - drm_dev_put(&vgem_device->drm); + devres_release_group(&pdev->dev, NULL); + platform_device_unregister(pdev); } module_init(vgem_init); |