diff options
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_manager.c | 8 |
3 files changed, 19 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c index 37c4c07005fe..38f10f7a10d3 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.c +++ b/drivers/gpu/drm/msm/dsi/dsi.c @@ -120,6 +120,22 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) struct msm_drm_private *priv = dev_get_drvdata(master); struct msm_dsi *msm_dsi = dev_get_drvdata(dev); + /* + * Next bridge doesn't exist for the secondary DSI host in a bonded + * pair. + */ + if (!msm_dsi_is_bonded_dsi(msm_dsi) || + msm_dsi_is_master_dsi(msm_dsi)) { + struct drm_bridge *ext_bridge; + + ext_bridge = devm_drm_of_get_bridge(&msm_dsi->pdev->dev, + msm_dsi->pdev->dev.of_node, 1, 0); + if (IS_ERR(ext_bridge)) + return PTR_ERR(ext_bridge); + + msm_dsi->next_bridge = ext_bridge; + } + priv->dsi[msm_dsi->id] = msm_dsi; return 0; diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 2ad9a842c678..0adef65be1de 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -38,6 +38,8 @@ struct msm_dsi { struct mipi_dsi_host *host; struct msm_dsi_phy *phy; + struct drm_bridge *next_bridge; + struct device *phy_dev; bool phy_enabled; diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index a7c7f85b73e4..b7c52b14c790 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -464,18 +464,12 @@ int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge) struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); struct drm_device *dev = msm_dsi->dev; struct drm_encoder *encoder; - struct drm_bridge *ext_bridge; struct drm_connector *connector; int ret; - ext_bridge = devm_drm_of_get_bridge(&msm_dsi->pdev->dev, - msm_dsi->pdev->dev.of_node, 1, 0); - if (IS_ERR(ext_bridge)) - return PTR_ERR(ext_bridge); - encoder = int_bridge->encoder; - ret = drm_bridge_attach(encoder, ext_bridge, int_bridge, + ret = drm_bridge_attach(encoder, msm_dsi->next_bridge, int_bridge, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) return ret; |