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@xxxxxxxxxxxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
---
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 49bf5592c6f7..cf4be369d75e 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);
--
Regards,
Laurent Pinchart
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