diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi')
-rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_manager.c | 4 |
3 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c index ff8164cc6738..a9768f823290 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.c +++ b/drivers/gpu/drm/msm/dsi/dsi.c @@ -83,6 +83,7 @@ static struct msm_dsi *dsi_init(struct platform_device *pdev) return ERR_PTR(-ENOMEM); DBG("dsi probed=%p", msm_dsi); + msm_dsi->id = -1; msm_dsi->pdev = pdev; platform_set_drvdata(pdev, msm_dsi); @@ -117,8 +118,13 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) DBG(""); msm_dsi = dsi_init(pdev); - if (IS_ERR(msm_dsi)) - return PTR_ERR(msm_dsi); + if (IS_ERR(msm_dsi)) { + /* Don't fail the bind if the dsi port is not connected */ + if (PTR_ERR(msm_dsi) == -ENODEV) + return 0; + else + return PTR_ERR(msm_dsi); + } priv->dsi[msm_dsi->id] = msm_dsi; diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 96fb5f635314..9c6c523eacdc 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1750,6 +1750,7 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) if (ret) { dev_err(dev, "%s: invalid lane configuration %d\n", __func__, ret); + ret = -EINVAL; goto err; } @@ -1757,6 +1758,7 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) device_node = of_graph_get_remote_node(np, 1, 0); if (!device_node) { dev_dbg(dev, "%s: no valid device\n", __func__); + ret = -ENODEV; goto err; } diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 5224010d90e4..80aa6344185e 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -839,6 +839,8 @@ void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi) if (msm_dsi->host) msm_dsi_host_unregister(msm_dsi->host); - msm_dsim->dsi[msm_dsi->id] = NULL; + + if (msm_dsi->id >= 0) + msm_dsim->dsi[msm_dsi->id] = NULL; } |