From aae74ff9caa8de9a45ae2e46068c417817392a26 Mon Sep 17 00:00:00 2001 From: Ainux Date: Wed, 26 May 2021 19:15:15 +0800 Subject: [PATCH] drm/ast: Add detect function support The existence of the connector cannot be detected, so add the detect function to support. Signed-off-by: Ainux Signed-off-by: Thomas Zimmermann Link: https://patchwork.freedesktop.org/patch/msgid/20210526111515.40015-1-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 36d9575..e5996ae 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; } -- 2.7.4