static void rcar_lvds_detach(struct drm_bridge *bridge)
{
struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge);
if (lvds->panel)
drm_panel_detach(lvds->panel);
}
static void fsl_dcu_drm_connector_destroy(struct drm_connector *connector)
{
struct fsl_dcu_drm_connector *fsl_con = to_fsl_dcu_connector(connector);
drm_connector_unregister(connector);
drm_panel_detach(fsl_con->panel);
drm_connector_cleanup(connector);
}
static int dw_mipi_dsi_host_detach(struct mipi_dsi_host *host,
struct mipi_dsi_device *device)
{
struct dw_mipi_dsi *dsi = host_to_dsi(host);
drm_panel_detach(dsi->panel);
return 0;
}
static void pl111_connector_destroy(struct drm_connector *connector)
{
struct pl111_drm_connector *pl111_connector =
to_pl111_connector(connector);
if (pl111_connector->panel)
drm_panel_detach(pl111_connector->panel);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
}
static void mxsfb_panel_connector_destroy(struct drm_connector *connector)
{
struct mxsfb_drm_private *mxsfb =
drm_connector_to_mxsfb_drm_private(connector);
if (mxsfb->panel)
drm_panel_detach(mxsfb->panel);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
}
static void mdp4_lvds_connector_destroy(struct drm_connector *connector)
{
struct mdp4_lvds_connector *mdp4_lvds_connector =
to_mdp4_lvds_connector(connector);
struct drm_panel *panel = mdp4_lvds_connector->panel;
if (panel)
drm_panel_detach(panel);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
kfree(mdp4_lvds_connector);
}
int tegra_output_exit(struct tegra_output *output)
{
/*
* The connector is going away, so the interrupt must be disabled to
* prevent the hotplug interrupt handler from potentially crashing.
*/
if (gpio_is_valid(output->hpd_gpio))
disable_irq(output->hpd_irq);
if (output->panel)
drm_panel_detach(output->panel);
return 0;
}
static int mdp4_lvds_connector_get_modes(struct drm_connector *connector)
{
struct mdp4_lvds_connector *mdp4_lvds_connector =
to_mdp4_lvds_connector(connector);
struct drm_panel *panel = mdp4_lvds_connector->panel;
int ret = 0;
if (panel) {
drm_panel_attach(panel, connector);
ret = panel->funcs->get_modes(panel);
drm_panel_detach(panel);
}
return ret;
}
static int mxsfb_load(struct drm_device *drm, unsigned long flags)
{
struct platform_device *pdev = to_platform_device(drm->dev);
struct mxsfb_drm_private *mxsfb;
struct resource *res;
int ret;
mxsfb = devm_kzalloc(&pdev->dev, sizeof(*mxsfb), GFP_KERNEL);
if (!mxsfb)
return -ENOMEM;
drm->dev_private = mxsfb;
mxsfb->devdata = &mxsfb_devdata[pdev->id_entry->driver_data];
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mxsfb->base = devm_ioremap_resource(drm->dev, res);
if (IS_ERR(mxsfb->base))
return PTR_ERR(mxsfb->base);
mxsfb->clk = devm_clk_get(drm->dev, NULL);
if (IS_ERR(mxsfb->clk))
return PTR_ERR(mxsfb->clk);
mxsfb->clk_axi = devm_clk_get(drm->dev, "axi");
if (IS_ERR(mxsfb->clk_axi))
mxsfb->clk_axi = NULL;
mxsfb->clk_disp_axi = devm_clk_get(drm->dev, "disp_axi");
if (IS_ERR(mxsfb->clk_disp_axi))
mxsfb->clk_disp_axi = NULL;
ret = dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32));
if (ret)
return ret;
pm_runtime_enable(drm->dev);
ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (ret < 0) {
dev_err(drm->dev, "Failed to initialise vblank\n");
goto err_vblank;
}
/* Modeset init */
drm_mode_config_init(drm);
ret = mxsfb_create_output(drm);
if (ret < 0) {
dev_err(drm->dev, "Failed to create outputs\n");
goto err_vblank;
}
ret = drm_simple_display_pipe_init(drm, &mxsfb->pipe, &mxsfb_funcs,
mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
&mxsfb->connector);
if (ret < 0) {
dev_err(drm->dev, "Cannot setup simple display pipe\n");
goto err_vblank;
}
ret = drm_panel_attach(mxsfb->panel, &mxsfb->connector);
if (ret) {
dev_err(drm->dev, "Cannot connect panel\n");
goto err_vblank;
}
drm->mode_config.min_width = MXSFB_MIN_XRES;
drm->mode_config.min_height = MXSFB_MIN_YRES;
drm->mode_config.max_width = MXSFB_MAX_XRES;
drm->mode_config.max_height = MXSFB_MAX_YRES;
drm->mode_config.funcs = &mxsfb_mode_config_funcs;
drm_mode_config_reset(drm);
pm_runtime_get_sync(drm->dev);
ret = drm_irq_install(drm, platform_get_irq(pdev, 0));
pm_runtime_put_sync(drm->dev);
if (ret < 0) {
dev_err(drm->dev, "Failed to install IRQ handler\n");
goto err_irq;
}
drm_kms_helper_poll_init(drm);
mxsfb->fbdev = drm_fbdev_cma_init(drm, 32, drm->mode_config.num_crtc,
drm->mode_config.num_connector);
if (IS_ERR(mxsfb->fbdev)) {
mxsfb->fbdev = NULL;
dev_err(drm->dev, "Failed to init FB CMA area\n");
goto err_cma;
}
platform_set_drvdata(pdev, drm);
drm_helper_hpd_irq_event(drm);
return 0;
err_cma:
drm_irq_uninstall(drm);
err_irq:
drm_panel_detach(mxsfb->panel);
err_vblank:
pm_runtime_disable(drm->dev);
return ret;
}
