static void malidp_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
struct malidp_drm *malidp = drm->dev_private;
struct malidp_hw_device *hwdev = malidp->dev;
if (malidp->fbdev) {
drm_fbdev_cma_fini(malidp->fbdev);
malidp->fbdev = NULL;
}
drm_kms_helper_poll_fini(drm);
malidp_se_irq_fini(drm);
malidp_de_irq_fini(drm);
drm_vblank_cleanup(drm);
component_unbind_all(dev, drm);
of_node_put(malidp->crtc.port);
malidp->crtc.port = NULL;
drm_dev_unregister(drm);
malidp_de_planes_destroy(drm);
drm_mode_config_cleanup(drm);
drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
clk_disable_unprepare(hwdev->mclk);
clk_disable_unprepare(hwdev->aclk);
clk_disable_unprepare(hwdev->pclk);
drm_dev_unref(drm);
of_reserved_mem_device_release(dev);
}
static int pdev_remove(struct platform_device *pdev)
{
struct drm_device *ddev = platform_get_drvdata(pdev);
struct omap_drm_private *priv = ddev->dev_private;
DBG("");
drm_dev_unregister(ddev);
omap_modeset_disable_external_hpd();
drm_kms_helper_poll_fini(ddev);
if (priv->fbdev)
omap_fbdev_free(ddev);
drm_atomic_helper_shutdown(ddev);
drm_mode_config_cleanup(ddev);
omap_drm_irq_uninstall(ddev);
omap_gem_deinit(ddev);
drm_dev_unref(ddev);
destroy_workqueue(priv->wq);
kfree(priv);
omap_disconnect_dssdevs();
omap_crtc_pre_uninit();
return 0;
}
static void bochs_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_dev_unregister(dev);
bochs_unload(dev);
drm_dev_put(dev);
}
static void virtio_gpu_remove(struct virtio_device *vdev)
{
struct drm_device *dev = vdev->priv;
drm_dev_unregister(dev);
virtio_gpu_deinit(dev);
drm_put_dev(dev);
}
static void kirin_drm_unbind(struct device *dev)
{
struct drm_device *drm_dev = dev_get_drvdata(dev);
drm_dev_unregister(drm_dev);
kirin_drm_kms_cleanup(drm_dev);
drm_dev_unref(drm_dev);
}
static int arcpgu_remove(struct platform_device *pdev)
{
struct drm_device *drm = platform_get_drvdata(pdev);
drm_dev_unregister(drm);
arcpgu_unload(drm);
drm_dev_unref(drm);
return 0;
}
static void sun4i_drv_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
sun4i_framebuffer_free(drm);
drm_vblank_cleanup(drm);
drm_dev_unref(drm);
}
static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev)
{
struct drm_device *ddev = platform_get_drvdata(pdev);
drm_dev_unregister(ddev);
atmel_hlcdc_dc_unload(ddev);
drm_dev_unref(ddev);
return 0;
}
static int fsl_dcu_drm_remove(struct platform_device *pdev)
{
struct fsl_dcu_drm_device *fsl_dev = platform_get_drvdata(pdev);
drm_dev_unregister(fsl_dev->drm);
drm_dev_unref(fsl_dev->drm);
clk_disable_unprepare(fsl_dev->clk);
clk_unregister(fsl_dev->pix_clk);
return 0;
}
static void sun4i_drv_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
sun4i_framebuffer_free(drm);
drm_mode_config_cleanup(drm);
of_reserved_mem_device_release(dev);
drm_dev_put(drm);
}
void komeda_kms_detach(struct komeda_kms_dev *kms)
{
struct drm_device *drm = &kms->base;
struct komeda_dev *mdev = drm->dev_private;
drm_dev_unregister(drm);
component_unbind_all(mdev->dev, drm);
komeda_kms_cleanup_private_objs(mdev);
drm_mode_config_cleanup(drm);
drm->dev_private = NULL;
drm_dev_put(drm);
}
static int stm_drm_platform_remove(struct platform_device *pdev)
{
struct drm_device *ddev = platform_get_drvdata(pdev);
DRM_DEBUG("%s\n", __func__);
drm_dev_unregister(ddev);
drv_unload(ddev);
drm_dev_put(ddev);
return 0;
}
/**
* drm_put_dev - Unregister and release a DRM device
* @dev: DRM device
*
* Called at module unload time or when a PCI device is unplugged.
*
* Cleans up all DRM device, calling drm_lastclose().
*
* Note: Use of this function is deprecated. It will eventually go away
* completely. Please use drm_dev_unregister() and drm_dev_unref() explicitly
* instead to make sure that the device isn't userspace accessible any more
* while teardown is in progress, ensuring that userspace can't access an
* inconsistent state.
*/
void drm_put_dev(struct drm_device *dev)
{
DRM_DEBUG("\n");
if (!dev) {
DRM_ERROR("cleanup called no dev\n");
return;
}
drm_dev_unregister(dev);
drm_dev_unref(dev);
}
static void vbox_pci_remove(struct pci_dev *pdev)
{
struct vbox_private *vbox = pci_get_drvdata(pdev);
drm_dev_unregister(&vbox->ddev);
vbox_fbdev_fini(vbox);
vbox_irq_fini(vbox);
vbox_mode_fini(vbox);
vbox_mm_fini(vbox);
vbox_hw_fini(vbox);
drm_dev_put(&vbox->ddev);
}
static int pl111_amba_remove(struct amba_device *amba_dev)
{
struct drm_device *drm = amba_get_drvdata(amba_dev);
struct pl111_drm_dev_private *priv = drm->dev_private;
drm_dev_unregister(drm);
if (priv->fbdev)
drm_fbdev_cma_fini(priv->fbdev);
drm_mode_config_cleanup(drm);
drm_dev_unref(drm);
return 0;
}
static void vc4_drm_unbind(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct drm_device *drm = platform_get_drvdata(pdev);
drm_dev_unregister(drm);
drm_fb_cma_fbdev_fini(drm);
drm_mode_config_cleanup(drm);
drm_dev_unref(drm);
}
static int rcar_du_remove(struct platform_device *pdev)
{
struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
struct drm_device *ddev = rcdu->ddev;
drm_dev_unregister(ddev);
drm_kms_helper_poll_fini(ddev);
drm_mode_config_cleanup(ddev);
drm_dev_put(ddev);
return 0;
}
static void sun4i_drv_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
drm_atomic_helper_shutdown(drm);
drm_mode_config_cleanup(drm);
component_unbind_all(dev, NULL);
of_reserved_mem_device_release(dev);
drm_dev_put(drm);
}
static void etnaviv_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
struct etnaviv_drm_private *priv = drm->dev_private;
drm_dev_unregister(drm);
component_unbind_all(dev, drm);
drm->dev_private = NULL;
kfree(priv);
drm_dev_unref(drm);
}
void drm_unplug_dev(struct drm_device *dev)
{
/* for a USB device */
drm_dev_unregister(dev);
mutex_lock(&drm_global_mutex);
drm_device_set_unplugged(dev);
if (dev->open_count == 0) {
drm_put_dev(dev);
}
mutex_unlock(&drm_global_mutex);
}
static void imx_drm_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
component_unbind_all(drm->dev, drm);
dev_set_drvdata(dev, NULL);
drm_dev_put(drm);
}
static void etnaviv_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
struct etnaviv_drm_private *priv = drm->dev_private;
drm_dev_unregister(drm);
flush_workqueue(priv->wq);
destroy_workqueue(priv->wq);
component_unbind_all(dev, drm);
drm->dev_private = NULL;
kfree(priv);
drm_put_dev(drm);
}
static int rcar_du_remove(struct platform_device *pdev)
{
struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
struct drm_device *ddev = rcdu->ddev;
mutex_lock(&ddev->mode_config.mutex);
drm_connector_unplug_all(ddev);
mutex_unlock(&ddev->mode_config.mutex);
drm_dev_unregister(ddev);
if (rcdu->fbdev)
drm_fbdev_cma_fini(rcdu->fbdev);
drm_kms_helper_poll_fini(ddev);
drm_mode_config_cleanup(ddev);
drm_vblank_cleanup(ddev);
drm_dev_unref(ddev);
return 0;
}
static void hdlcd_drm_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
struct hdlcd_drm_private *hdlcd = drm->dev_private;
if (hdlcd->fbdev) {
drm_fbdev_cma_fini(hdlcd->fbdev);
hdlcd->fbdev = NULL;
}
drm_kms_helper_poll_fini(drm);
component_unbind_all(dev, drm);
drm_vblank_cleanup(drm);
pm_runtime_get_sync(drm->dev);
drm_irq_uninstall(drm);
pm_runtime_put_sync(drm->dev);
pm_runtime_disable(drm->dev);
of_reserved_mem_device_release(drm->dev);
drm_mode_config_cleanup(drm);
drm_dev_unregister(drm);
drm_dev_unref(drm);
drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
}
static void tinydrm_unregister(struct tinydrm_device *tdev)
{
drm_atomic_helper_shutdown(tdev->drm);
drm_fb_cma_fbdev_fini(tdev->drm);
drm_dev_unregister(tdev->drm);
}
static void __exit vgem_exit(void)
{
drm_dev_unregister(&vgem_device->drm);
drm_dev_put(&vgem_device->drm);
}
static int hdlcd_drm_bind(struct device *dev)
{
struct drm_device *drm;
struct hdlcd_drm_private *hdlcd;
int ret;
hdlcd = devm_kzalloc(dev, sizeof(*hdlcd), GFP_KERNEL);
if (!hdlcd)
return -ENOMEM;
drm = drm_dev_alloc(&hdlcd_driver, dev);
if (IS_ERR(drm))
return PTR_ERR(drm);
drm->dev_private = hdlcd;
dev_set_drvdata(dev, drm);
hdlcd_setup_mode_config(drm);
ret = hdlcd_load(drm, 0);
if (ret)
goto err_free;
ret = drm_dev_register(drm, 0);
if (ret)
goto err_unload;
ret = component_bind_all(dev, drm);
if (ret) {
DRM_ERROR("Failed to bind all components\n");
goto err_unregister;
}
ret = pm_runtime_set_active(dev);
if (ret)
goto err_pm_active;
pm_runtime_enable(dev);
ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (ret < 0) {
DRM_ERROR("failed to initialise vblank\n");
goto err_vblank;
}
drm_mode_config_reset(drm);
drm_kms_helper_poll_init(drm);
hdlcd->fbdev = drm_fbdev_cma_init(drm, 32, drm->mode_config.num_crtc,
drm->mode_config.num_connector);
if (IS_ERR(hdlcd->fbdev)) {
ret = PTR_ERR(hdlcd->fbdev);
hdlcd->fbdev = NULL;
goto err_fbdev;
}
return 0;
err_fbdev:
drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
drm_vblank_cleanup(drm);
err_vblank:
pm_runtime_disable(drm->dev);
err_pm_active:
component_unbind_all(dev, drm);
err_unregister:
drm_dev_unregister(drm);
err_unload:
drm_irq_uninstall(drm);
of_reserved_mem_device_release(drm->dev);
err_free:
dev_set_drvdata(dev, NULL);
drm_dev_unref(drm);
return ret;
}
static int malidp_bind(struct device *dev)
{
struct resource *res;
struct drm_device *drm;
struct device_node *ep;
struct malidp_drm *malidp;
struct malidp_hw_device *hwdev;
struct platform_device *pdev = to_platform_device(dev);
/* number of lines for the R, G and B output */
u8 output_width[MAX_OUTPUT_CHANNELS];
int ret = 0, i;
u32 version, out_depth = 0;
malidp = devm_kzalloc(dev, sizeof(*malidp), GFP_KERNEL);
if (!malidp)
return -ENOMEM;
hwdev = devm_kzalloc(dev, sizeof(*hwdev), GFP_KERNEL);
if (!hwdev)
return -ENOMEM;
/*
* copy the associated data from malidp_drm_of_match to avoid
* having to keep a reference to the OF node after binding
*/
memcpy(hwdev, of_device_get_match_data(dev), sizeof(*hwdev));
malidp->dev = hwdev;
INIT_LIST_HEAD(&malidp->event_list);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hwdev->regs = devm_ioremap_resource(dev, res);
if (IS_ERR(hwdev->regs))
return PTR_ERR(hwdev->regs);
hwdev->pclk = devm_clk_get(dev, "pclk");
if (IS_ERR(hwdev->pclk))
return PTR_ERR(hwdev->pclk);
hwdev->aclk = devm_clk_get(dev, "aclk");
if (IS_ERR(hwdev->aclk))
return PTR_ERR(hwdev->aclk);
hwdev->mclk = devm_clk_get(dev, "mclk");
if (IS_ERR(hwdev->mclk))
return PTR_ERR(hwdev->mclk);
hwdev->pxlclk = devm_clk_get(dev, "pxlclk");
if (IS_ERR(hwdev->pxlclk))
return PTR_ERR(hwdev->pxlclk);
/* Get the optional framebuffer memory resource */
ret = of_reserved_mem_device_init(dev);
if (ret && ret != -ENODEV)
return ret;
drm = drm_dev_alloc(&malidp_driver, dev);
if (IS_ERR(drm)) {
ret = PTR_ERR(drm);
goto alloc_fail;
}
/* Enable APB clock in order to get access to the registers */
clk_prepare_enable(hwdev->pclk);
/*
* Enable AXI clock and main clock so that prefetch can start once
* the registers are set
*/
clk_prepare_enable(hwdev->aclk);
clk_prepare_enable(hwdev->mclk);
ret = hwdev->query_hw(hwdev);
if (ret) {
DRM_ERROR("Invalid HW configuration\n");
goto query_hw_fail;
}
version = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_DE_CORE_ID);
DRM_INFO("found ARM Mali-DP%3x version r%dp%d\n", version >> 16,
(version >> 12) & 0xf, (version >> 8) & 0xf);
/* set the number of lines used for output of RGB data */
ret = of_property_read_u8_array(dev->of_node,
"arm,malidp-output-port-lines",
output_width, MAX_OUTPUT_CHANNELS);
if (ret)
goto query_hw_fail;
for (i = 0; i < MAX_OUTPUT_CHANNELS; i++)
out_depth = (out_depth << 8) | (output_width[i] & 0xf);
malidp_hw_write(hwdev, out_depth, hwdev->map.out_depth_base);
drm->dev_private = malidp;
dev_set_drvdata(dev, drm);
atomic_set(&malidp->config_valid, 0);
init_waitqueue_head(&malidp->wq);
ret = malidp_init(drm);
if (ret < 0)
goto init_fail;
ret = drm_dev_register(drm, 0);
if (ret)
goto register_fail;
/* Set the CRTC's port so that the encoder component can find it */
ep = of_graph_get_next_endpoint(dev->of_node, NULL);
if (!ep) {
ret = -EINVAL;
goto port_fail;
}
malidp->crtc.port = of_get_next_parent(ep);
ret = component_bind_all(dev, drm);
if (ret) {
DRM_ERROR("Failed to bind all components\n");
goto bind_fail;
}
ret = malidp_irq_init(pdev);
if (ret < 0)
goto irq_init_fail;
ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (ret < 0) {
DRM_ERROR("failed to initialise vblank\n");
goto vblank_fail;
}
drm_mode_config_reset(drm);
malidp->fbdev = drm_fbdev_cma_init(drm, 32, drm->mode_config.num_crtc,
drm->mode_config.num_connector);
if (IS_ERR(malidp->fbdev)) {
ret = PTR_ERR(malidp->fbdev);
malidp->fbdev = NULL;
goto fbdev_fail;
}
drm_kms_helper_poll_init(drm);
return 0;
fbdev_fail:
drm_vblank_cleanup(drm);
vblank_fail:
malidp_se_irq_fini(drm);
malidp_de_irq_fini(drm);
irq_init_fail:
component_unbind_all(dev, drm);
bind_fail:
of_node_put(malidp->crtc.port);
malidp->crtc.port = NULL;
port_fail:
drm_dev_unregister(drm);
register_fail:
malidp_de_planes_destroy(drm);
drm_mode_config_cleanup(drm);
init_fail:
drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
query_hw_fail:
clk_disable_unprepare(hwdev->mclk);
clk_disable_unprepare(hwdev->aclk);
clk_disable_unprepare(hwdev->pclk);
drm_dev_unref(drm);
alloc_fail:
of_reserved_mem_device_release(dev);
return ret;
}
