diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_drv.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_drv.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index 8a03e12d7451..76e922bb60e5 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -222,6 +222,11 @@ static bool sun4i_drv_node_is_frontend(struct device_node *node) "allwinner,sun5i-a13-display-frontend"); } +static bool sun4i_drv_node_is_tcon(struct device_node *node) +{ + return of_device_is_compatible(node, "allwinner,sun5i-a13-tcon"); +} + static int compare_of(struct device *dev, void *data) { DRM_DEBUG_DRIVER("Comparing of node %s with %s\n", @@ -270,6 +275,25 @@ static int sun4i_drv_add_endpoints(struct device *dev, continue; } + /* + * If the node is our TCON, the first port is used for our + * panel, and will not be part of the + * component framework. + */ + if (sun4i_drv_node_is_tcon(node)) { + struct of_endpoint endpoint; + + if (of_graph_parse_endpoint(ep, &endpoint)) { + DRM_DEBUG_DRIVER("Couldn't parse endpoint\n"); + continue; + } + + if (!endpoint.id) { + DRM_DEBUG_DRIVER("Endpoint is our panel... skipping\n"); + continue; + } + } + /* Walk down our tree */ count += sun4i_drv_add_endpoints(dev, match, remote); |