Implement the newly added bridge connector operations, allowing the usage of drm_bridge_panel with drm_bridge_connector.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Boris Brezillon boris.brezillon@collabora.com Reviewed-by: Sam Ravnborg sam@ravnborg.org --- Changes since v2:
- Use the connector type from the panel instead of hardcoding it to DPI - Rebased on top top of Sam's panel .get_modes() rework --- drivers/gpu/drm/bridge/panel.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 81017b4afe25..bbc212cc53ac 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -60,10 +60,8 @@ static int panel_bridge_attach(struct drm_bridge *bridge, struct drm_connector *connector = &panel_bridge->connector; int ret;
- if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { - DRM_ERROR("Fix bridge driver to make connector optional!"); - return -EINVAL; - } + if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) + return 0;
if (!bridge->encoder) { DRM_ERROR("Missing encoder\n"); @@ -126,6 +124,14 @@ static void panel_bridge_post_disable(struct drm_bridge *bridge) drm_panel_unprepare(panel_bridge->panel); }
+static int panel_bridge_get_modes(struct drm_bridge *bridge, + struct drm_connector *connector) +{ + struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); + + return drm_panel_get_modes(panel_bridge->panel, connector); +} + static const struct drm_bridge_funcs panel_bridge_bridge_funcs = { .attach = panel_bridge_attach, .detach = panel_bridge_detach, @@ -133,6 +139,7 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = { .enable = panel_bridge_enable, .disable = panel_bridge_disable, .post_disable = panel_bridge_post_disable, + .get_modes = panel_bridge_get_modes, };
/** @@ -202,6 +209,8 @@ struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel, #ifdef CONFIG_OF panel_bridge->bridge.of_node = panel->dev->of_node; #endif + panel_bridge->bridge.ops = DRM_BRIDGE_OP_MODES; + panel_bridge->bridge.type = connector_type;
drm_bridge_add(&panel_bridge->bridge);