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drm/bridge: analogix_dp: Support periodically polled for external bridge

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Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
Change-Id: Ief3b5f3c1df77aa122aca056819bcf83b455a4a6
This commit is contained in:
Wyon Bi
2022-08-20 12:47:39 +00:00
committed by Tao Huang
parent b9c2efe661
commit a8dadec9d7
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
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@@ -1297,6 +1297,15 @@ static int analogix_dp_get_modes(struct drm_connector *connector)
struct edid *edid;
int ret, num_modes = 0;
if (dp->plat_data->right && dp->plat_data->right->plat_data->bridge) {
struct drm_bridge *bridge = dp->plat_data->right->plat_data->bridge;
if (bridge->ops & DRM_BRIDGE_OP_MODES) {
if (!drm_bridge_get_modes(bridge, connector))
return 0;
}
}
if (dp->plat_data->panel)
num_modes += drm_panel_get_modes(dp->plat_data->panel, connector);
@@ -1491,6 +1500,9 @@ static int analogix_dp_bridge_attach(struct drm_bridge *bridge,
connector = &dp->connector;
connector->polled = DRM_CONNECTOR_POLL_HPD;
if (dp->plat_data->bridge && dp->plat_data->bridge->ops & DRM_BRIDGE_OP_DETECT)
connector->polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
ret = drm_connector_init(dp->drm_dev, connector,
&analogix_dp_connector_funcs,