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drm/bridge: panel: Implement bridge connector operations 

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>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-18-laurent.pinchart@ideasonboard.com
This commit is contained in:
Laurent Pinchart 2020-02-26 13:24:37 +02:00 committed by Tomi Valkeinen
parent cff5e6f7e8
commit 2be68b59e5
1 changed files with 13 additions and 4 deletions
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17
drivers/gpu/drm/bridge/panel.c
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@ -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,
.atomic_reset = drm_atomic_helper_bridge_reset,
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
@ -206,6 +213,8 @@ 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);