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drm: bridge: simple-bridge: Make connector creation optional

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Make the connector creation optional to enable usage of the
simple-bridge with the DRM bridge connector helper.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200526011505.31884-8-laurent.pinchart+renesas@ideasonboard.com
This commit is contained in:
Laurent Pinchart 2020-05-26 04:14:45 +03:00 committed by Sam Ravnborg
parent 00686ac55d
commit 567e0d5309
1 changed files with 4 additions and 7 deletions
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11
drivers/gpu/drm/bridge/simple-bridge.c
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@ -105,16 +105,14 @@ static int simple_bridge_attach(struct drm_bridge *bridge,
struct simple_bridge *sbridge = drm_bridge_to_simple_bridge(bridge);
int ret;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
DRM_ERROR("Fix bridge driver to make connector optional!");
return -EINVAL;
}
ret = drm_bridge_attach(bridge->encoder, sbridge->next_bridge, bridge,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
if (ret < 0)
return ret;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
return 0;
if (!bridge->encoder) {
DRM_ERROR("Missing encoder\n");
return -ENODEV;
@ -131,8 +129,7 @@ static int simple_bridge_attach(struct drm_bridge *bridge,
return ret;
}
drm_connector_attach_encoder(&sbridge->connector,
bridge->encoder);
drm_connector_attach_encoder(&sbridge->connector, bridge->encoder);
return 0;
}