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drm/bridge: megachips: add helper to create connector

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Factor out connector creation to a small helper function.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: Martin Donnelly <martin.donnelly@ge.com>
Cc: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200726203324.3722593-10-sam@ravnborg.org
This commit is contained in:
Sam Ravnborg 2020-07-26 22:33:18 +02:00
parent 5b851515ef
commit 43c601a6e8
1 changed files with 32 additions and 25 deletions
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57
drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
View File

@ -191,34 +191,11 @@ static const struct drm_connector_funcs ge_b850v3_lvds_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
static irqreturn_t ge_b850v3_lvds_irq_handler(int irq, void *dev_id)
{
struct i2c_client *stdp4028_i2c
= ge_b850v3_lvds_ptr->stdp4028_i2c;
i2c_smbus_write_word_data(stdp4028_i2c,
STDP4028_DPTX_IRQ_STS_REG,
STDP4028_DPTX_IRQ_CLEAR);
if (ge_b850v3_lvds_ptr->connector.dev)
drm_kms_helper_hotplug_event(ge_b850v3_lvds_ptr->connector.dev);
return IRQ_HANDLED;
}
static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags)
static int ge_b850v3_lvds_create_connector(struct drm_bridge *bridge)
{
struct drm_connector *connector = &ge_b850v3_lvds_ptr->connector;
struct i2c_client *stdp4028_i2c
= ge_b850v3_lvds_ptr->stdp4028_i2c;
int ret;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
DRM_ERROR("Fix bridge driver to make connector optional!");
return -EINVAL;
}
if (!bridge->encoder) {
DRM_ERROR("Parent encoder object not found");
return -ENODEV;
@ -237,7 +214,37 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
return ret;
}
ret = drm_connector_attach_encoder(connector, bridge->encoder);
return drm_connector_attach_encoder(connector, bridge->encoder);
}
static irqreturn_t ge_b850v3_lvds_irq_handler(int irq, void *dev_id)
{
struct i2c_client *stdp4028_i2c
= ge_b850v3_lvds_ptr->stdp4028_i2c;
i2c_smbus_write_word_data(stdp4028_i2c,
STDP4028_DPTX_IRQ_STS_REG,
STDP4028_DPTX_IRQ_CLEAR);
if (ge_b850v3_lvds_ptr->connector.dev)
drm_kms_helper_hotplug_event(ge_b850v3_lvds_ptr->connector.dev);
return IRQ_HANDLED;
}
static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags)
{
struct i2c_client *stdp4028_i2c
= ge_b850v3_lvds_ptr->stdp4028_i2c;
int ret;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
DRM_ERROR("Fix bridge driver to make connector optional!");
return -EINVAL;
}
ret = ge_b850v3_lvds_create_connector(bridge);
if (ret)
return ret;