mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
backend/drm: extract connect_drm_connector() logic
We already have disconnect_drm_connector() to handle the CONNECTED → DISCONNECTED transition. Let's add connect_drm_connector() to handle DISCONNECTED → CONNECTED. This makes scan_drm_connectors() shorter and easier to follow. No functional change, literally just moving code around.
This commit is contained in:
Simon Ser
parent
c07424411a
commit
eeb7a81138
1 changed files with 138 additions and 131 deletions
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@ -1157,6 +1157,143 @@ static struct wlr_drm_crtc *connector_get_current_crtc(
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return NULL;
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}
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static void connect_drm_connector(struct wlr_drm_connector *wlr_conn,
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const drmModeConnector *drm_conn) {
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struct wlr_drm_backend *drm = wlr_conn->backend;
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wlr_log(WLR_DEBUG, "Current CRTC: %d",
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wlr_conn->crtc ? (int)wlr_conn->crtc->id : -1);
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wlr_output_init(&wlr_conn->output, &drm->backend, &output_impl,
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drm->display);
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wlr_output_set_name(&wlr_conn->output, wlr_conn->name);
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wlr_conn->output.phys_width = drm_conn->mmWidth;
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wlr_conn->output.phys_height = drm_conn->mmHeight;
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wlr_log(WLR_INFO, "Physical size: %"PRId32"x%"PRId32,
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wlr_conn->output.phys_width, wlr_conn->output.phys_height);
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wlr_conn->output.subpixel = subpixel_map[drm_conn->subpixel];
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get_drm_connector_props(drm->fd, wlr_conn->id, &wlr_conn->props);
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uint64_t non_desktop;
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if (get_drm_prop(drm->fd, wlr_conn->id,
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wlr_conn->props.non_desktop, &non_desktop)) {
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if (non_desktop == 1) {
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wlr_log(WLR_INFO, "Non-desktop connector");
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}
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wlr_conn->output.non_desktop = non_desktop;
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}
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wlr_conn->max_bpc = 0;
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if (wlr_conn->props.max_bpc != 0) {
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if (!introspect_drm_prop_range(drm->fd, wlr_conn->props.max_bpc,
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NULL, &wlr_conn->max_bpc)) {
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wlr_log(WLR_ERROR, "Failed to introspect 'max bpc' property");
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}
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}
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size_t edid_len = 0;
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uint8_t *edid = get_drm_prop_blob(drm->fd,
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wlr_conn->id, wlr_conn->props.edid, &edid_len);
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parse_edid(wlr_conn, edid_len, edid);
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free(edid);
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char *subconnector = NULL;
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if (wlr_conn->props.subconnector) {
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subconnector = get_drm_prop_enum(drm->fd,
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wlr_conn->id, wlr_conn->props.subconnector);
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}
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if (subconnector && strcmp(subconnector, "Native") == 0) {
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free(subconnector);
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subconnector = NULL;
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}
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struct wlr_output *output = &wlr_conn->output;
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char description[128];
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snprintf(description, sizeof(description), "%s %s%s%s (%s%s%s)",
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output->make, output->model,
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output->serial ? " " : "",
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output->serial ? output->serial : "",
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output->name,
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subconnector ? " via " : "",
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subconnector ? subconnector : "");
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wlr_output_set_description(output, description);
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free(subconnector);
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// Before iterating on the conn's modes, get the current KMS mode
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// in use from the connector's CRTC.
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drmModeModeInfo *current_modeinfo = NULL;
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if (wlr_conn->crtc != NULL) {
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if (wlr_conn->crtc->props.mode_id == 0) {
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// Use the legacy drm interface.
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if (wlr_conn->crtc->legacy_crtc->mode_valid) {
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current_modeinfo = &wlr_conn->crtc->legacy_crtc->mode;
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}
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} else {
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// Use the modern atomic drm interface.
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size_t modeinfo_size = 0;
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current_modeinfo = get_drm_prop_blob(drm->fd, wlr_conn->crtc->id,
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wlr_conn->crtc->props.mode_id, &modeinfo_size);
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assert(modeinfo_size == sizeof(drmModeModeInfo));
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}
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}
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wlr_log(WLR_INFO, "Detected modes:");
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for (int i = 0; i < drm_conn->count_modes; ++i) {
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if (drm_conn->modes[i].flags & DRM_MODE_FLAG_INTERLACE) {
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continue;
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}
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struct wlr_drm_mode *mode = drm_mode_create(&drm_conn->modes[i]);
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if (!mode) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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continue;
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}
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// If this is the current mode set on the conn's crtc,
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// then set it as the conn's output current mode.
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if (current_modeinfo != NULL && memcmp(&mode->drm_mode,
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current_modeinfo, sizeof(*current_modeinfo)) == 0) {
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// Update width, height, refresh, transform_matrix and current_mode
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// of this connector's output.
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wlr_output_update_mode(&wlr_conn->output, &mode->wlr_mode);
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uint64_t mode_id = 0;
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get_drm_prop(drm->fd, wlr_conn->crtc->id,
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wlr_conn->crtc->props.mode_id, &mode_id);
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wlr_conn->crtc->mode_id = mode_id;
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}
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wlr_log(WLR_INFO, " %"PRId32"x%"PRId32"@%"PRId32" %s",
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mode->wlr_mode.width, mode->wlr_mode.height,
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mode->wlr_mode.refresh,
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mode->wlr_mode.preferred ? "(preferred)" : "");
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wl_list_insert(wlr_conn->output.modes.prev, &mode->wlr_mode.link);
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}
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if (wlr_conn->crtc != NULL && wlr_conn->crtc->props.mode_id != 0) {
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// free() the modeinfo pointer, but only
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// if not using the legacy API.
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free(current_modeinfo);
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}
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wlr_conn->possible_crtcs =
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drmModeConnectorGetPossibleCrtcs(drm->fd, drm_conn);
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if (wlr_conn->possible_crtcs == 0) {
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wlr_drm_conn_log(wlr_conn, WLR_ERROR, "No CRTC possible");
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}
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wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
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wlr_conn->status = DRM_MODE_CONNECTED;
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}
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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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@ -1261,137 +1398,7 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
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if (wlr_conn->status == DRM_MODE_DISCONNECTED &&
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drm_conn->connection == DRM_MODE_CONNECTED) {
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wlr_log(WLR_INFO, "'%s' connected", wlr_conn->name);
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wlr_log(WLR_DEBUG, "Current CRTC: %d",
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wlr_conn->crtc ? (int)wlr_conn->crtc->id : -1);
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wlr_output_init(&wlr_conn->output, &drm->backend, &output_impl,
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drm->display);
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wlr_output_set_name(&wlr_conn->output, wlr_conn->name);
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wlr_conn->output.phys_width = drm_conn->mmWidth;
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wlr_conn->output.phys_height = drm_conn->mmHeight;
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wlr_log(WLR_INFO, "Physical size: %"PRId32"x%"PRId32,
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wlr_conn->output.phys_width, wlr_conn->output.phys_height);
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wlr_conn->output.subpixel = subpixel_map[drm_conn->subpixel];
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get_drm_connector_props(drm->fd, wlr_conn->id, &wlr_conn->props);
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uint64_t non_desktop;
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if (get_drm_prop(drm->fd, wlr_conn->id,
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wlr_conn->props.non_desktop, &non_desktop)) {
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if (non_desktop == 1) {
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wlr_log(WLR_INFO, "Non-desktop connector");
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}
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wlr_conn->output.non_desktop = non_desktop;
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}
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wlr_conn->max_bpc = 0;
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if (wlr_conn->props.max_bpc != 0) {
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if (!introspect_drm_prop_range(drm->fd, wlr_conn->props.max_bpc,
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NULL, &wlr_conn->max_bpc)) {
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wlr_log(WLR_ERROR, "Failed to introspect 'max bpc' property");
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}
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}
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size_t edid_len = 0;
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uint8_t *edid = get_drm_prop_blob(drm->fd,
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wlr_conn->id, wlr_conn->props.edid, &edid_len);
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parse_edid(wlr_conn, edid_len, edid);
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free(edid);
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char *subconnector = NULL;
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if (wlr_conn->props.subconnector) {
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subconnector = get_drm_prop_enum(drm->fd,
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wlr_conn->id, wlr_conn->props.subconnector);
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}
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if (subconnector && strcmp(subconnector, "Native") == 0) {
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free(subconnector);
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subconnector = NULL;
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}
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struct wlr_output *output = &wlr_conn->output;
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char description[128];
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snprintf(description, sizeof(description), "%s %s%s%s (%s%s%s)",
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output->make, output->model,
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output->serial ? " " : "",
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output->serial ? output->serial : "",
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output->name,
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subconnector ? " via " : "",
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subconnector ? subconnector : "");
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wlr_output_set_description(output, description);
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free(subconnector);
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// Before iterating on the conn's modes, get the current KMS mode
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// in use from the connector's CRTC.
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drmModeModeInfo *current_modeinfo = NULL;
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if (wlr_conn->crtc != NULL) {
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if (wlr_conn->crtc->props.mode_id == 0) {
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// Use the legacy drm interface.
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if (wlr_conn->crtc->legacy_crtc->mode_valid) {
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current_modeinfo = &wlr_conn->crtc->legacy_crtc->mode;
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}
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} else {
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// Use the modern atomic drm interface.
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size_t modeinfo_size = 0;
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current_modeinfo = get_drm_prop_blob(drm->fd, wlr_conn->crtc->id,
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wlr_conn->crtc->props.mode_id, &modeinfo_size);
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assert(modeinfo_size == sizeof(drmModeModeInfo));
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}
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}
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wlr_log(WLR_INFO, "Detected modes:");
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for (int i = 0; i < drm_conn->count_modes; ++i) {
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if (drm_conn->modes[i].flags & DRM_MODE_FLAG_INTERLACE) {
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continue;
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}
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struct wlr_drm_mode *mode = drm_mode_create(&drm_conn->modes[i]);
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if (!mode) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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continue;
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}
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// If this is the current mode set on the conn's crtc,
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// then set it as the conn's output current mode.
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if (current_modeinfo != NULL && memcmp(&mode->drm_mode,
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current_modeinfo, sizeof(*current_modeinfo)) == 0) {
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// Update width, height, refresh, transform_matrix and current_mode
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// of this connector's output.
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wlr_output_update_mode(&wlr_conn->output, &mode->wlr_mode);
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uint64_t mode_id = 0;
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get_drm_prop(drm->fd, wlr_conn->crtc->id,
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wlr_conn->crtc->props.mode_id, &mode_id);
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wlr_conn->crtc->mode_id = mode_id;
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}
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wlr_log(WLR_INFO, " %"PRId32"x%"PRId32"@%"PRId32" %s",
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mode->wlr_mode.width, mode->wlr_mode.height,
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mode->wlr_mode.refresh,
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mode->wlr_mode.preferred ? "(preferred)" : "");
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wl_list_insert(wlr_conn->output.modes.prev, &mode->wlr_mode.link);
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}
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if (wlr_conn->crtc != NULL && wlr_conn->crtc->props.mode_id != 0) {
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// free() the modeinfo pointer, but only
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// if not using the legacy API.
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free(current_modeinfo);
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}
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wlr_conn->possible_crtcs =
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drmModeConnectorGetPossibleCrtcs(drm->fd, drm_conn);
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if (wlr_conn->possible_crtcs == 0) {
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wlr_drm_conn_log(wlr_conn, WLR_ERROR, "No CRTC possible");
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}
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wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
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wlr_conn->status = DRM_MODE_CONNECTED;
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connect_drm_connector(wlr_conn, drm_conn);
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new_outputs[new_outputs_len++] = wlr_conn;
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} else if (wlr_conn->status == DRM_MODE_CONNECTED &&
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drm_conn->connection != DRM_MODE_CONNECTED) {
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