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authorAinux <ainux.wang@gmail.com>2021-05-26 14:15:15 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2021-06-15 08:09:42 +0300
commitaae74ff9caa8de9a45ae2e46068c417817392a26 (patch)
treee1da9f7f48ab16d9e320dd9b01ae57a65c3b7889 /drivers/gpu/drm/ast
parentc2a61865baa45b5d1dfc3e83da50bcd51d518786 (diff)
downloadlinux-aae74ff9caa8de9a45ae2e46068c417817392a26.tar.xz
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 <ainux.wang@gmail.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20210526111515.40015-1-ainux.wang@gmail.com
Diffstat (limited to 'drivers/gpu/drm/ast')
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c18
1 files changed, 17 insertions, 1 deletions
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;
}