diff options
| author | Rob Herring <robh@kernel.org> | 2017-03-29 21:55:46 +0300 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-04-07 00:00:27 +0300 |
| commit | ebc9446135671b89c2397f438af45d9cef0d1368 (patch) | |
| tree | fa1bf0c176711e21ccec628699736eab39d4c552 /drivers/gpu/drm/bridge/parade-ps8622.c | |
| parent | 86418f90a4c1a0073db65d8a1e2bf94421117a60 (diff) | |
| download | linux-ebc9446135671b89c2397f438af45d9cef0d1368.tar.xz | |
drm: convert drivers to use drm_of_find_panel_or_bridge
Similar to the previous commit, convert drivers open coding OF graph
parsing to use drm_of_find_panel_or_bridge instead.
This changes some error messages to debug messages (in the graph core).
Graph connections are often "no connects" depending on the particular
board, so we want to avoid spurious messages. Plus the kernel is not a
DT validator.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
[seanpaul dropped rockchip changes since they're now obsolete]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/bridge/parade-ps8622.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/parade-ps8622.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c index ac8cc5b50d9f..1dcec3b97e67 100644 --- a/drivers/gpu/drm/bridge/parade-ps8622.c +++ b/drivers/gpu/drm/bridge/parade-ps8622.c @@ -22,10 +22,10 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> -#include <linux/of_graph.h> #include <linux/pm.h> #include <linux/regulator/consumer.h> +#include <drm/drm_of.h> #include <drm/drm_panel.h> #include "drmP.h" @@ -536,7 +536,6 @@ static int ps8622_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; - struct device_node *endpoint, *panel_node; struct ps8622_bridge *ps8622; int ret; @@ -544,16 +543,9 @@ static int ps8622_probe(struct i2c_client *client, if (!ps8622) return -ENOMEM; - endpoint = of_graph_get_next_endpoint(dev->of_node, NULL); - if (endpoint) { - panel_node = of_graph_get_remote_port_parent(endpoint); - if (panel_node) { - ps8622->panel = of_drm_find_panel(panel_node); - of_node_put(panel_node); - if (!ps8622->panel) - return -EPROBE_DEFER; - } - } + ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &ps8622->panel, NULL); + if (ret) + return ret; ps8622->client = client; |