diff options
Diffstat (limited to 'drivers/gpu/drm/tve200/tve200_drv.c')
| -rw-r--r-- | drivers/gpu/drm/tve200/tve200_drv.c | 66 |
1 files changed, 47 insertions, 19 deletions
diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c index fe742106db4e..c22644692a88 100644 --- a/drivers/gpu/drm/tve200/tve200_drv.c +++ b/drivers/gpu/drm/tve200/tve200_drv.c @@ -47,6 +47,8 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_panel.h> +#include <drm/drm_of.h> +#include <drm/drm_bridge.h> #include "tve200_drm.h" @@ -62,6 +64,8 @@ static int tve200_modeset_init(struct drm_device *dev) { struct drm_mode_config *mode_config; struct tve200_drm_dev_private *priv = dev->dev_private; + struct drm_panel *panel; + struct drm_bridge *bridge; int ret = 0; drm_mode_config_init(dev); @@ -72,35 +76,51 @@ static int tve200_modeset_init(struct drm_device *dev) mode_config->min_height = 240; mode_config->max_height = 576; - ret = tve200_connector_init(dev); + ret = drm_of_find_panel_or_bridge(dev->dev->of_node, + 0, 0, &panel, &bridge); + if (ret && ret != -ENODEV) + return ret; + if (panel) { + bridge = drm_panel_bridge_add(panel, + DRM_MODE_CONNECTOR_Unknown); + if (IS_ERR(bridge)) { + ret = PTR_ERR(bridge); + goto out_bridge; + } + } + + ret = tve200_display_init(dev); if (ret) { - dev_err(dev->dev, "Failed to create tve200_drm_connector\n"); - goto out_config; + dev_err(dev->dev, "failed to init display\n"); + goto out_bridge; + } + + if (bridge) { + ret = drm_bridge_attach(priv->encoder, bridge, NULL); + if (ret) + goto out_bridge; } /* - * Don't actually attach if we didn't find a drm_panel - * attached to us. + * TODO: when we are using a different bridge than a panel + * (such as a dumb VGA connector) we need to devise a different + * method to get the connector out of the bridge. */ - if (!priv->connector.panel) { - dev_info(dev->dev, - "deferring due to lack of DRM panel device\n"); - ret = -EPROBE_DEFER; - goto out_config; + if (!panel) { + dev_err(dev->dev, "the bridge is not a panel\n"); + goto out_bridge; } - dev_info(dev->dev, "attached to panel %s\n", - dev_name(priv->connector.panel->dev)); + priv->panel = panel; + priv->connector = panel->connector; + priv->bridge = bridge; - ret = tve200_display_init(dev); - if (ret) { - dev_err(dev->dev, "failed to init display\n"); - goto out_config; - } + dev_info(dev->dev, "attached to panel %s\n", + dev_name(panel->dev)); ret = drm_vblank_init(dev, 1); if (ret) { dev_err(dev->dev, "failed to init vblank\n"); - goto out_config; + goto out_bridge; } drm_mode_config_reset(dev); @@ -115,7 +135,11 @@ static int tve200_modeset_init(struct drm_device *dev) goto finish; -out_config: +out_bridge: + if (panel) + drm_panel_bridge_remove(bridge); + else + drm_bridge_remove(bridge); drm_mode_config_cleanup(dev); finish: return ret; @@ -249,6 +273,10 @@ static int tve200_remove(struct platform_device *pdev) drm_dev_unregister(drm); if (priv->fbdev) drm_fbdev_cma_fini(priv->fbdev); + if (priv->panel) + drm_panel_bridge_remove(priv->bridge); + else + drm_bridge_remove(priv->bridge); drm_mode_config_cleanup(drm); clk_disable_unprepare(priv->pclk); drm_dev_unref(drm); |