diff options
| -rw-r--r-- | backend/drm/drm.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c index c1fa1992..88055f54 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -564,7 +564,7 @@ static bool drm_connector_set_mode(struct wlr_output *output, struct wlr_drm_crtc *crtc = conn->crtc; if (!crtc) { wlr_log(WLR_ERROR, "Unable to match %s with a CRTC", conn->output.name); - goto error_conn; + return false; } wlr_log(WLR_DEBUG, "%s: crtc=%td ovr=%td pri=%td cur=%td", conn->output.name, crtc - drm->crtcs, @@ -864,11 +864,13 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) { return; } - size_t seen_len = wl_list_length(&drm->outputs); + size_t drm_outputs_len = wl_list_length(&drm->outputs); // +1 so length can never be 0, which is undefined behaviour. // Last element isn't used. - bool seen[seen_len + 1]; - memset(seen, 0, sizeof(seen)); + bool seen[drm_outputs_len + 1]; + memset(seen, false, sizeof(seen)); + size_t new_outputs_len = 0; + struct wlr_drm_connector *new_outputs[drm_outputs_len + 1]; for (int i = 0; i < res->count_connectors; ++i) { drmModeConnector *drm_conn = drmModeGetConnector(drm->fd, @@ -974,13 +976,10 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) { wl_list_insert(&wlr_conn->output.modes, &mode->wlr_mode.link); } - wlr_output_update_enabled(&wlr_conn->output, true); + wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL); wlr_conn->state = WLR_DRM_CONN_NEEDS_MODESET; - wlr_log(WLR_INFO, "Sending modesetting signal for '%s'", - wlr_conn->output.name); - wlr_signal_emit_safe(&drm->backend.events.new_output, - &wlr_conn->output); + new_outputs[new_outputs_len++] = wlr_conn; } else if (wlr_conn->state == WLR_DRM_CONN_CONNECTED && drm_conn->connection != DRM_MODE_CONNECTED) { wlr_log(WLR_INFO, "'%s' disconnected", wlr_conn->output.name); @@ -999,7 +998,7 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) { size_t index = wl_list_length(&drm->outputs); wl_list_for_each_safe(conn, tmp_conn, &drm->outputs, link) { index--; - if (index >= seen_len || seen[index]) { + if (index >= drm_outputs_len || seen[index]) { continue; } @@ -1011,6 +1010,15 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) { wl_list_remove(&conn->link); free(conn); } + + for (size_t i = 0; i < new_outputs_len; ++i) { + struct wlr_drm_connector *conn = new_outputs[i]; + + wlr_log(WLR_INFO, "Requesting modeset for '%s'", + conn->output.name); + wlr_signal_emit_safe(&drm->backend.events.new_output, + &conn->output); + } } static void page_flip_handler(int fd, unsigned seq, |