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Merge pull request #1220 from emersion/grouped-new-output

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backend/drm: emit new_output after scanning connectors
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Drew DeVault 2018-09-01 20:19:36 -04:00 committed by GitHub
commit a0bf3f150e
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 10 deletions
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28
backend/drm/drm.c
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@ -564,7 +564,7 @@ static bool drm_connector_set_mode(struct wlr_output *output,
struct wlr_drm_crtc *crtc = conn->crtc; struct wlr_drm_crtc *crtc = conn->crtc;
if (!crtc) { if (!crtc) {
wlr_log(WLR_ERROR, "Unable to match %s with a CRTC", conn->output.name); 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, wlr_log(WLR_DEBUG, "%s: crtc=%td ovr=%td pri=%td cur=%td", conn->output.name,
crtc - drm->crtcs, crtc - drm->crtcs,
@ -864,11 +864,13 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
return; 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. // +1 so length can never be 0, which is undefined behaviour.
// Last element isn't used. // Last element isn't used.
bool seen[seen_len + 1]; bool seen[drm_outputs_len + 1];
memset(seen, 0, sizeof(seen)); 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) { for (int i = 0; i < res->count_connectors; ++i) {
drmModeConnector *drm_conn = drmModeGetConnector(drm->fd, 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); 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_conn->state = WLR_DRM_CONN_NEEDS_MODESET;
wlr_log(WLR_INFO, "Sending modesetting signal for '%s'", new_outputs[new_outputs_len++] = wlr_conn;
wlr_conn->output.name);
wlr_signal_emit_safe(&drm->backend.events.new_output,
&wlr_conn->output);
} else if (wlr_conn->state == WLR_DRM_CONN_CONNECTED && } else if (wlr_conn->state == WLR_DRM_CONN_CONNECTED &&
drm_conn->connection != DRM_MODE_CONNECTED) { drm_conn->connection != DRM_MODE_CONNECTED) {
wlr_log(WLR_INFO, "'%s' disconnected", wlr_conn->output.name); 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); size_t index = wl_list_length(&drm->outputs);
wl_list_for_each_safe(conn, tmp_conn, &drm->outputs, link) { wl_list_for_each_safe(conn, tmp_conn, &drm->outputs, link) {
index--; index--;
if (index >= seen_len || seen[index]) { if (index >= drm_outputs_len || seen[index]) {
continue; continue;
} }
@ -1011,6 +1010,15 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
wl_list_remove(&conn->link); wl_list_remove(&conn->link);
free(conn); 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, static void page_flip_handler(int fd, unsigned seq,