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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
backend/drm: handle per-connector hotplug events
When a connector ID is specified in a hotplug event, don't scan all connectors. Only scan the connector that has changed.
This commit is contained in:
parent
2ff4e113e2
commit
e13f3f8608
3 changed files with 45 additions and 19 deletions
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@ -22,7 +22,7 @@ struct wlr_drm_backend *get_drm_backend_from_backend(
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static bool backend_start(struct wlr_backend *backend) {
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
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scan_drm_connectors(drm);
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scan_drm_connectors(drm, NULL);
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return true;
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}
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@ -102,7 +102,7 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
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if (session->active) {
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wlr_log(WLR_INFO, "DRM fd resumed");
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scan_drm_connectors(drm);
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scan_drm_connectors(drm, NULL);
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struct wlr_drm_connector *conn;
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wl_list_for_each(conn, &drm->outputs, link) {
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@ -127,13 +127,21 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
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static void handle_dev_change(struct wl_listener *listener, void *data) {
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struct wlr_drm_backend *drm = wl_container_of(listener, drm, dev_change);
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struct wlr_device_change_event *change = data;
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if (!drm->session->active) {
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return;
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}
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wlr_log(WLR_DEBUG, "%s invalidated", drm->name);
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scan_drm_connectors(drm);
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// TODO: add and handle lease uevents
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switch (change->type) {
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case WLR_DEVICE_HOTPLUG:;
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wlr_log(WLR_DEBUG, "Received hotplug event for %s", drm->name);
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scan_drm_connectors(drm, &change->hotplug);
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break;
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default:
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wlr_log(WLR_DEBUG, "Received unknown change event for %s", drm->name);
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}
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}
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static void handle_dev_remove(struct wl_listener *listener, void *data) {
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@ -1177,7 +1177,8 @@ static uint32_t get_possible_crtcs(int fd, const drmModeConnector *conn) {
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static void disconnect_drm_connector(struct wlr_drm_connector *conn);
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void scan_drm_connectors(struct wlr_drm_backend *drm) {
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void scan_drm_connectors(struct wlr_drm_backend *drm,
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struct wlr_device_hotplug_event *event) {
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/*
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* This GPU is not really a modesetting device.
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* It's just being used as a renderer.
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@ -1186,7 +1187,12 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
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return;
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}
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wlr_log(WLR_INFO, "Scanning DRM connectors on %s", drm->name);
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if (event != NULL && event->connector_id != 0) {
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wlr_log(WLR_INFO, "Scanning DRM connector %"PRIu32" on %s",
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event->connector_id, drm->name);
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} else {
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wlr_log(WLR_INFO, "Scanning DRM connectors on %s", drm->name);
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}
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drmModeRes *res = drmModeGetResources(drm->fd);
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if (!res) {
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@ -1203,8 +1209,29 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
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struct wlr_drm_connector *new_outputs[res->count_connectors + 1];
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for (int i = 0; i < res->count_connectors; ++i) {
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drmModeConnector *drm_conn = drmModeGetConnector(drm->fd,
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res->connectors[i]);
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uint32_t conn_id = res->connectors[i];
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ssize_t index = -1;
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struct wlr_drm_connector *c, *wlr_conn = NULL;
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wl_list_for_each(c, &drm->outputs, link) {
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index++;
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if (c->id == conn_id) {
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wlr_conn = c;
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break;
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}
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}
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// If the hotplug event contains a connector ID, ignore any other
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// connector.
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if (event != NULL && event->connector_id != 0 &&
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event->connector_id != conn_id) {
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if (wlr_conn != NULL) {
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seen[index] = true;
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}
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continue;
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}
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drmModeConnector *drm_conn = drmModeGetConnector(drm->fd, conn_id);
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if (!drm_conn) {
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wlr_log_errno(WLR_ERROR, "Failed to get DRM connector");
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continue;
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@ -1212,16 +1239,6 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
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drmModeEncoder *curr_enc = drmModeGetEncoder(drm->fd,
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drm_conn->encoder_id);
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ssize_t index = -1;
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struct wlr_drm_connector *c, *wlr_conn = NULL;
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wl_list_for_each(c, &drm->outputs, link) {
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index++;
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if (c->id == drm_conn->connector_id) {
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wlr_conn = c;
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break;
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}
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}
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if (!wlr_conn) {
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wlr_conn = calloc(1, sizeof(*wlr_conn));
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if (!wlr_conn) {
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@ -147,7 +147,8 @@ struct wlr_drm_backend *get_drm_backend_from_backend(
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bool check_drm_features(struct wlr_drm_backend *drm);
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bool init_drm_resources(struct wlr_drm_backend *drm);
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void finish_drm_resources(struct wlr_drm_backend *drm);
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void scan_drm_connectors(struct wlr_drm_backend *state);
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void scan_drm_connectors(struct wlr_drm_backend *state,
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struct wlr_device_hotplug_event *event);
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int handle_drm_event(int fd, uint32_t mask, void *data);
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void destroy_drm_connector(struct wlr_drm_connector *conn);
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bool drm_connector_commit_state(struct wlr_drm_connector *conn,
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