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drm/bridge: analogix_dp: Support split mode for bridge chain

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Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
Change-Id: I22ec16f8b12213d3adf1929bd49e2437085b2485
This commit is contained in:
Wyon Bi
2022-05-10 06:41:06 +00:00
committed by Tao Huang
parent 6cc4fe12bb
commit c1754005a3
2 changed files with 17 additions and 1 deletions
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15
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
View File

@@ -1147,6 +1147,9 @@ static int analogix_dp_get_modes(struct drm_connector *connector)
if (dp->plat_data->panel)
num_modes += drm_panel_get_modes(dp->plat_data->panel, connector);
if (dp->plat_data->bridge)
num_modes += drm_bridge_get_modes(dp->plat_data->bridge, connector);
if (!num_modes) {
ret = analogix_dp_phy_power_on(dp);
if (ret)
@@ -1251,6 +1254,13 @@ analogix_dp_detect(struct analogix_dp_device *dp)
status = connector_status_connected;
}
if (dp->plat_data->bridge) {
struct drm_bridge *next_bridge = dp->plat_data->bridge;
if (next_bridge->ops & DRM_BRIDGE_OP_DETECT)
status = drm_bridge_detect(next_bridge);
}
out:
analogix_dp_phy_power_off(dp);
@@ -1734,8 +1744,11 @@ static int analogix_dp_bridge_init(struct analogix_dp_device *dp)
if (dp->plat_data->right) {
struct analogix_dp_device *secondary = dp->plat_data->right;
struct drm_bridge *last_bridge =
list_last_entry(&bridge->encoder->bridge_chain,
struct drm_bridge, chain_node);
ret = drm_bridge_attach(dp->encoder, &secondary->bridge, bridge,
ret = drm_bridge_attach(dp->encoder, &secondary->bridge, last_bridge,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
if (ret)
return ret;

3
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
View File

@@ -251,6 +251,9 @@ static bool rockchip_dp_skip_connector(struct drm_bridge *bridge)
if (of_device_is_compatible(bridge->of_node, "dp-connector"))
return false;
if (bridge->ops & DRM_BRIDGE_OP_MODES)
return false;
return true;
}