diff options
| author | Rob Herring <robh@kernel.org> | 2017-03-29 13:55:46 -0500 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-04-06 17:00:27 -0400 |
| commit | ebc9446135671b89c2397f438af45d9cef0d1368 (patch) | |
| tree | fa1bf0c176711e21ccec628699736eab39d4c552 /drivers/gpu/drm/bridge/nxp-ptn3460.c | |
| parent | 86418f90a4c1a0073db65d8a1e2bf94421117a60 (diff) | |
| download | linux-ebc9446135671b89c2397f438af45d9cef0d1368.tar.bz2 | |
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/nxp-ptn3460.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/nxp-ptn3460.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c index 27f98c518dde..351704390d02 100644 --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c @@ -20,8 +20,8 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_gpio.h> -#include <linux/of_graph.h> +#include <drm/drm_of.h> #include <drm/drm_panel.h> #include "drm_crtc.h" @@ -292,7 +292,6 @@ static int ptn3460_probe(struct i2c_client *client, { struct device *dev = &client->dev; struct ptn3460_bridge *ptn_bridge; - struct device_node *endpoint, *panel_node; int ret; ptn_bridge = devm_kzalloc(dev, sizeof(*ptn_bridge), GFP_KERNEL); @@ -300,16 +299,9 @@ static int ptn3460_probe(struct i2c_client *client, 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) { - ptn_bridge->panel = of_drm_find_panel(panel_node); - of_node_put(panel_node); - if (!ptn_bridge->panel) - return -EPROBE_DEFER; - } - } + ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &ptn_bridge->panel, NULL); + if (ret) + return ret; ptn_bridge->client = client; |