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;
}
int evdi_driver_unload(struct drm_device *dev)
{
struct evdi_device *evdi = dev->dev_private;
EVDI_CHECKPT();
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
#if KERNEL_VERSION(4, 8, 0) <= LINUX_VERSION_CODE
#elif KERNEL_VERSION(4, 7, 0) <= LINUX_VERSION_CODE
drm_connector_unregister_all(dev);
#else
drm_connector_unplug_all(dev);
#endif
evdi_fbdev_unplug(dev);
if (evdi->cursor)
evdi_cursor_free(evdi->cursor);
evdi_painter_cleanup(evdi);
evdi_stats_cleanup(evdi);
evdi_fbdev_cleanup(dev);
evdi_modeset_cleanup(dev);
kfree(evdi);
return 0;
}
static int dev_unload(struct drm_device *dev)
{
struct omap_drm_private *priv = dev->dev_private;
int i;
DBG("unload: dev=%p", dev);
drm_kms_helper_poll_fini(dev);
if (priv->fbdev)
omap_fbdev_free(dev);
/* flush crtcs so the fbs get released */
for (i = 0; i < priv->num_crtcs; i++)
omap_crtc_flush(priv->crtcs[i]);
omap_modeset_free(dev);
omap_gem_deinit(dev);
destroy_workqueue(priv->wq);
drm_vblank_cleanup(dev);
omap_drm_irq_uninstall(dev);
kfree(dev->dev_private);
dev->dev_private = NULL;
dev_set_drvdata(dev->dev, NULL);
return 0;
}
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 void drv_unload(struct drm_device *ddev)
{
DRM_DEBUG("%s\n", __func__);
drm_kms_helper_poll_fini(ddev);
ltdc_unload(ddev);
drm_mode_config_cleanup(ddev);
}
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 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);
}
static int shmob_drm_unload(struct drm_device *dev)
{
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
dev->dev_private = NULL;
return 0;
}
static int dce_virtual_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
kfree(adev->mode_info.bios_hardcoded_edid);
drm_kms_helper_poll_fini(adev->ddev);
drm_mode_config_cleanup(adev->ddev);
adev->mode_info.mode_config_initialized = false;
return 0;
}
static int armada_drm_unload(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
drm_kms_helper_poll_fini(dev);
armada_fbdev_fini(dev);
drm_irq_uninstall(dev);
drm_mode_config_cleanup(dev);
drm_mm_takedown(&priv->linear);
flush_work(&priv->fb_unref_work);
dev->dev_private = NULL;
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 int arcpgu_unload(struct drm_device *drm)
{
struct arcpgu_drm_private *arcpgu = drm->dev_private;
if (arcpgu->fbdev) {
drm_fbdev_cma_fini(arcpgu->fbdev);
arcpgu->fbdev = NULL;
}
drm_kms_helper_poll_fini(drm);
drm_vblank_cleanup(drm);
drm_mode_config_cleanup(drm);
return 0;
}
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 int fsl_dcu_load(struct drm_device *dev, unsigned long flags)
{
struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
int ret;
ret = fsl_dcu_drm_modeset_init(fsl_dev);
if (ret < 0) {
dev_err(dev->dev, "failed to initialize mode setting\n");
return ret;
}
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret < 0) {
dev_err(dev->dev, "failed to initialize vblank\n");
goto done;
}
ret = fsl_dcu_drm_irq_init(dev);
if (ret < 0)
goto done;
dev->irq_enabled = true;
if (legacyfb_depth != 16 && legacyfb_depth != 24 &&
legacyfb_depth != 32) {
dev_warn(dev->dev,
"Invalid legacyfb_depth. Defaulting to 24bpp\n");
legacyfb_depth = 24;
}
fsl_dev->fbdev = drm_fbdev_cma_init(dev, legacyfb_depth, 1);
if (IS_ERR(fsl_dev->fbdev)) {
ret = PTR_ERR(fsl_dev->fbdev);
fsl_dev->fbdev = NULL;
goto done;
}
return 0;
done:
drm_kms_helper_poll_fini(dev);
if (fsl_dev->fbdev)
drm_fbdev_cma_fini(fsl_dev->fbdev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
dev->dev_private = NULL;
return ret;
}
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 int xylon_drm_unload(struct drm_device *dev)
{
struct xylon_drm_device *xdev = dev->dev_private;
xylon_drm_irq_uninstall(dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
xylon_drm_fbdev_fini(xdev->fbdev);
drm_mode_config_cleanup(dev);
return 0;
}
static void fsl_dcu_unload(struct drm_device *dev)
{
struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
drm_crtc_force_disable_all(dev);
drm_kms_helper_poll_fini(dev);
if (fsl_dev->fbdev)
drm_fbdev_cma_fini(fsl_dev->fbdev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
dev->dev_private = NULL;
}
static int rcar_du_unload(struct drm_device *dev)
{
struct rcar_du_device *rcdu = dev->dev_private;
if (rcdu->fbdev)
drm_fbdev_cma_fini(rcdu->fbdev);
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
dev->irq_enabled = 0;
dev->dev_private = NULL;
return 0;
}
static int dev_unload(struct drm_device *dev)
{
DBG("unload: dev=%p", dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
omap_fbdev_free(dev);
omap_modeset_free(dev);
kfree(dev->dev_private);
dev->dev_private = NULL;
return 0;
}
static int fsl_dcu_unload(struct drm_device *dev)
{
struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
drm_kms_helper_poll_fini(dev);
if (fsl_dev->fbdev)
drm_fbdev_cma_fini(fsl_dev->fbdev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
dev->dev_private = NULL;
return 0;
}
static int msm_unload(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
struct msm_kms *kms = priv->kms;
struct msm_gpu *gpu = priv->gpu;
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
pm_runtime_get_sync(dev->dev);
drm_irq_uninstall(dev);
pm_runtime_put_sync(dev->dev);
flush_workqueue(priv->wq);
destroy_workqueue(priv->wq);
if (kms) {
pm_runtime_disable(dev->dev);
kms->funcs->destroy(kms);
}
if (gpu) {
mutex_lock(&dev->struct_mutex);
gpu->funcs->pm_suspend(gpu);
gpu->funcs->destroy(gpu);
mutex_unlock(&dev->struct_mutex);
}
if (priv->vram.paddr) {
DEFINE_DMA_ATTRS(attrs);
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
drm_mm_takedown(&priv->vram.mm);
dma_free_attrs(dev->dev, priv->vram.size, NULL,
priv->vram.paddr, &attrs);
}
component_unbind_all(dev->dev, dev);
dev->dev_private = NULL;
kfree(priv);
return 0;
}
static void mxsfb_unload(struct drm_device *drm)
{
struct mxsfb_drm_private *mxsfb = drm->dev_private;
if (mxsfb->fbdev)
drm_fbdev_cma_fini(mxsfb->fbdev);
drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
drm_vblank_cleanup(drm);
pm_runtime_get_sync(drm->dev);
drm_irq_uninstall(drm);
pm_runtime_put_sync(drm->dev);
drm->dev_private = NULL;
pm_runtime_disable(drm->dev);
}
static int kirin_drm_kms_cleanup(struct drm_device *dev)
{
struct kirin_drm_private *priv = dev->dev_private;
#ifdef CONFIG_DRM_FBDEV_EMULATION
if (priv->fbdev) {
drm_fbdev_cma_fini(priv->fbdev);
priv->fbdev = NULL;
}
#endif
drm_kms_helper_poll_fini(dev);
drm_vblank_cleanup(dev);
dc_ops->cleanup(to_platform_device(dev->dev));
drm_mode_config_cleanup(dev);
devm_kfree(dev->dev, priv);
dev->dev_private = NULL;
return 0;
}
static int shmob_drm_unload(struct drm_device *dev)
{
struct shmob_drm_device *sdev = dev->dev_private;
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
if (sdev->clock)
clk_put(sdev->clock);
if (sdev->mmio)
iounmap(sdev->mmio);
dev->dev_private = NULL;
kfree(sdev);
return 0;
}
static int dev_unload(struct drm_device *dev)
{
struct omap_drm_private *priv = dev->dev_private;
DBG("unload: dev=%p", dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
omap_fbdev_free(dev);
omap_modeset_free(dev);
omap_gem_deinit(dev);
flush_workqueue(priv->wq);
destroy_workqueue(priv->wq);
kfree(dev->dev_private);
dev->dev_private = NULL;
return 0;
}
static void atmel_hlcdc_dc_unload(struct drm_device *dev)
{
struct atmel_hlcdc_dc *dc = dev->dev_private;
if (dc->fbdev)
drm_fbdev_cma_fini(dc->fbdev);
flush_workqueue(dc->wq);
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
pm_runtime_get_sync(dev->dev);
drm_irq_uninstall(dev);
pm_runtime_put_sync(dev->dev);
dev->dev_private = NULL;
pm_runtime_disable(dev->dev);
clk_disable_unprepare(dc->hlcdc->periph_clk);
destroy_workqueue(dc->wq);
}
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 int fsl_dcu_load(struct drm_device *dev, unsigned long flags)
{
struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
int ret;
ret = fsl_dcu_drm_modeset_init(fsl_dev);
if (ret < 0) {
dev_err(dev->dev, "failed to initialize mode setting\n");
return ret;
}
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret < 0) {
dev_err(dev->dev, "failed to initialize vblank\n");
goto done;
}
ret = fsl_dcu_drm_irq_init(dev);
if (ret < 0)
goto done;
dev->irq_enabled = true;
fsl_dcu_fbdev_init(dev);
return 0;
done:
drm_kms_helper_poll_fini(dev);
if (fsl_dev->fbdev)
drm_fbdev_cma_fini(fsl_dev->fbdev);
drm_mode_config_cleanup(dev);
drm_vblank_cleanup(dev);
drm_irq_uninstall(dev);
dev->dev_private = NULL;
return ret;
}
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 int pdev_probe(struct platform_device *pdev)
{
const struct soc_device_attribute *soc;
struct omap_drm_private *priv;
struct drm_device *ddev;
unsigned int i;
int ret;
DBG("%s", pdev->name);
if (omapdss_is_initialized() == false)
return -EPROBE_DEFER;
ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
dev_err(&pdev->dev, "Failed to set the DMA mask\n");
return ret;
}
omap_crtc_pre_init();
ret = omap_connect_dssdevs();
if (ret)
goto err_crtc_uninit;
/* Allocate and initialize the driver private structure. */
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
ret = -ENOMEM;
goto err_disconnect_dssdevs;
}
priv->dispc_ops = dispc_get_ops();
soc = soc_device_match(omapdrm_soc_devices);
priv->omaprev = soc ? (unsigned int)soc->data : 0;
priv->wq = alloc_ordered_workqueue("omapdrm", 0);
spin_lock_init(&priv->list_lock);
INIT_LIST_HEAD(&priv->obj_list);
/* Allocate and initialize the DRM device. */
ddev = drm_dev_alloc(&omap_drm_driver, &pdev->dev);
if (IS_ERR(ddev)) {
ret = PTR_ERR(ddev);
goto err_free_priv;
}
ddev->dev_private = priv;
platform_set_drvdata(pdev, ddev);
/* Get memory bandwidth limits */
if (priv->dispc_ops->get_memory_bandwidth_limit)
priv->max_bandwidth =
priv->dispc_ops->get_memory_bandwidth_limit();
omap_gem_init(ddev);
ret = omap_modeset_init(ddev);
if (ret) {
dev_err(&pdev->dev, "omap_modeset_init failed: ret=%d\n", ret);
goto err_free_drm_dev;
}
/* Initialize vblank handling, start with all CRTCs disabled. */
ret = drm_vblank_init(ddev, priv->num_crtcs);
if (ret) {
dev_err(&pdev->dev, "could not init vblank\n");
goto err_cleanup_modeset;
}
for (i = 0; i < priv->num_crtcs; i++)
drm_crtc_vblank_off(priv->crtcs[i]);
priv->fbdev = omap_fbdev_init(ddev);
drm_kms_helper_poll_init(ddev);
omap_modeset_enable_external_hpd();
/*
* Register the DRM device with the core and the connectors with
* sysfs.
*/
ret = drm_dev_register(ddev, 0);
if (ret)
goto err_cleanup_helpers;
return 0;
err_cleanup_helpers:
omap_modeset_disable_external_hpd();
drm_kms_helper_poll_fini(ddev);
if (priv->fbdev)
omap_fbdev_free(ddev);
err_cleanup_modeset:
drm_mode_config_cleanup(ddev);
omap_drm_irq_uninstall(ddev);
err_free_drm_dev:
omap_gem_deinit(ddev);
drm_dev_unref(ddev);
err_free_priv:
destroy_workqueue(priv->wq);
kfree(priv);
err_disconnect_dssdevs:
omap_disconnect_dssdevs();
err_crtc_uninit:
omap_crtc_pre_uninit();
return ret;
}