Exemplos de sun4i_remove_framebuffers em C++ (Cpp)

Exemplo n.º 1

Arquivo: sun4i_drv.c Projeto: asmalldev/linux

static int sun4i_drv_bind(struct device *dev)
{
	struct drm_device *drm;
	struct sun4i_drv *drv;
	int ret;

	drm = drm_dev_alloc(&sun4i_drv_driver, dev);
	if (IS_ERR(drm))
		return PTR_ERR(drm);

	drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
	if (!drv) {
		ret = -ENOMEM;
		goto free_drm;
	}
	drm->dev_private = drv;

	ret = of_reserved_mem_device_init(dev);
	if (ret && ret != -ENODEV) {
		dev_err(drm->dev, "Couldn't claim our memory region\n");
		goto free_drm;
	}

	/* drm_vblank_init calls kcalloc, which can fail */
	ret = drm_vblank_init(drm, 1);
	if (ret)
		goto free_mem_region;

	drm_mode_config_init(drm);

	ret = component_bind_all(drm->dev, drm);
	if (ret) {
		dev_err(drm->dev, "Couldn't bind all pipelines components\n");
		goto cleanup_mode_config;
	}

	drm->irq_enabled = true;

	/* Remove early framebuffers (ie. simplefb) */
	sun4i_remove_framebuffers();

	/* Create our framebuffer */
	drv->fbdev = sun4i_framebuffer_init(drm);
	if (IS_ERR(drv->fbdev)) {
		dev_err(drm->dev, "Couldn't create our framebuffer\n");
		ret = PTR_ERR(drv->fbdev);
		goto cleanup_mode_config;
	}

	/* Enable connectors polling */
	drm_kms_helper_poll_init(drm);

	ret = drm_dev_register(drm, 0);
	if (ret)
		goto finish_poll;

	return 0;

finish_poll:
	drm_kms_helper_poll_fini(drm);
	sun4i_framebuffer_free(drm);
cleanup_mode_config:
	drm_mode_config_cleanup(drm);
	drm_vblank_cleanup(drm);
free_mem_region:
	of_reserved_mem_device_release(dev);
free_drm:
	drm_dev_unref(drm);
	return ret;
}

Exemplo n.º 2

Arquivo: sun4i_drv.c Projeto: AK101111/linux

static int sun4i_drv_bind(struct device *dev)
{
	struct drm_device *drm;
	struct sun4i_drv *drv;
	int ret;

	drm = drm_dev_alloc(&sun4i_drv_driver, dev);
	if (!drm)
		return -ENOMEM;

	drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
	if (!drv) {
		ret = -ENOMEM;
		goto free_drm;
	}
	drm->dev_private = drv;

	drm_vblank_init(drm, 1);
	drm_mode_config_init(drm);

	ret = component_bind_all(drm->dev, drm);
	if (ret) {
		dev_err(drm->dev, "Couldn't bind all pipelines components\n");
		goto free_drm;
	}

	/* Create our layers */
	drv->layers = sun4i_layers_init(drm);
	if (!drv->layers) {
		dev_err(drm->dev, "Couldn't create the planes\n");
		ret = -EINVAL;
		goto free_drm;
	}

	/* Create our CRTC */
	drv->crtc = sun4i_crtc_init(drm);
	if (!drv->crtc) {
		dev_err(drm->dev, "Couldn't create the CRTC\n");
		ret = -EINVAL;
		goto free_drm;
	}
	drm->irq_enabled = true;

	/* Remove early framebuffers (ie. simplefb) */
	sun4i_remove_framebuffers();

	/* Create our framebuffer */
	drv->fbdev = sun4i_framebuffer_init(drm);
	if (IS_ERR(drv->fbdev)) {
		dev_err(drm->dev, "Couldn't create our framebuffer\n");
		ret = PTR_ERR(drv->fbdev);
		goto free_drm;
	}

	/* Enable connectors polling */
	drm_kms_helper_poll_init(drm);

	ret = drm_dev_register(drm, 0);
	if (ret)
		goto free_drm;

	return 0;

free_drm:
	drm_dev_unref(drm);
	return ret;
}