From: Ainux ainux.wang@gmail.com
The existence of the connector cannot be detected, so add the detect function to support.
Signed-off-by: Ainux ainux.wang@gmail.com --- drivers/gpu/drm/ast/ast_mode.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 36d9575aa27b..e5996ae03c49 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -1293,6 +1293,18 @@ static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, return flags; }
+static enum drm_connector_status ast_connector_detect(struct drm_connector + *connector, bool force) +{ + int r; + + r = ast_get_modes(connector); + if (r < 0) + return connector_status_disconnected; + + return connector_status_connected; +} + static void ast_connector_destroy(struct drm_connector *connector) { struct ast_connector *ast_connector = to_ast_connector(connector); @@ -1307,6 +1319,7 @@ static const struct drm_connector_helper_funcs ast_connector_helper_funcs = {
static const struct drm_connector_funcs ast_connector_funcs = { .reset = drm_atomic_helper_connector_reset, + .detect = ast_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = ast_connector_destroy, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, @@ -1334,7 +1347,8 @@ static int ast_connector_init(struct drm_device *dev) connector->interlace_allowed = 0; connector->doublescan_allowed = 0;
- connector->polled = DRM_CONNECTOR_POLL_CONNECT; + connector->polled = DRM_CONNECTOR_POLL_CONNECT | + DRM_CONNECTOR_POLL_DISCONNECT;
drm_connector_attach_encoder(connector, encoder);
@@ -1403,6 +1417,8 @@ int ast_mode_config_init(struct ast_private *ast)
drm_mode_config_reset(dev);
+ drm_kms_helper_poll_init(dev); + return 0; }