summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/tilcdc/tilcdc_drv.c
diff options
context:
space:
mode:
authorJyri Sarha <jsarha@ti.com>2016-10-31 17:34:22 +0200
committerJyri Sarha <jsarha@ti.com>2016-11-30 14:17:52 +0200
commitec9eab097a50040c743fe612c4635fd8ea5c5936 (patch)
tree081fbfcb8c9e5b7eca0335075174daf641e124d3 /drivers/gpu/drm/tilcdc/tilcdc_drv.c
parentdc55ac3b52e69be4868687acabf232af81e0ef8b (diff)
drm/tilcdc: Add drm bridge support for attaching drm bridge drivers
Adds drm bride support for attaching drm bridge drivers to tilcdc. The decision whether a video port leads to an external encoder or bridge is made simply based on remote device's compatible string. The code has been tested with BeagleBone-Black with and without BeagleBone DVI-D Cape Rev A3 using ti-tfp410 driver. Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_drv.c')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 3d2cea090d6f..7f4d3bc7152f 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -209,7 +209,7 @@ static void tilcdc_fini(struct drm_device *dev)
drm_irq_uninstall(dev);
drm_mode_config_cleanup(dev);
- tilcdc_remove_external_encoders(dev);
+ tilcdc_remove_external_device(dev);
#ifdef CONFIG_CPU_FREQ
if (priv->freq_transition.notifier_call)
@@ -381,12 +381,17 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev)
if (ret < 0)
goto init_failed;
- ret = tilcdc_add_external_encoders(ddev);
+ ret = tilcdc_add_component_encoder(ddev);
if (ret < 0)
goto init_failed;
+ } else {
+ ret = tilcdc_attach_external_device(ddev);
+ if (ret)
+ goto init_failed;
}
- if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) {
+ if (!priv->external_connector &&
+ ((priv->num_encoders == 0) || (priv->num_connectors == 0))) {
dev_err(dev, "no encoders/connectors found\n");
ret = -ENXIO;
goto init_failed;