hyprwm/wlroots-hyprland
1
0
Fork 0
mirror of https://github.com/hyprwm/wlroots-hyprland.git synced 2024-11-29 16:05:59 +01:00
Code Issues Projects Releases Packages Wiki Activity

Check for disappearing DRM connectors

Browse source 
DisplayPort MST connectors will disappear when they're disconnected, so
we need to check for that.
This commit is contained in:
Scott Anderson 2017-09-09 22:41:23 +12:00
parent f4faa731f0
commit 0aa00da1f3
1 changed files with 24 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
backend/drm/drm.c
View file

@ -748,6 +748,11 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) {
return;
}
size_t seen_len = backend->outputs->length;
// +1 so it can never be 0
bool seen[seen_len + 1];
memset(seen, 0, sizeof(seen));
for (int i = 0; i < res->count_connectors; ++i) {
drmModeConnector *conn = drmModeGetConnector(backend->fd,
res->connectors[i]);
@ -805,6 +810,7 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) {
wlr_log(L_INFO, "Found display '%s'", output->output.name);
} else {
output = backend->outputs->items[index];
seen[index] = true;
}
if (output->state == WLR_DRM_OUTPUT_DISCONNECTED &&
@ -850,6 +856,22 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) {
}
drmModeFreeResources(res);
for (size_t i = seen_len; i-- > 0;) {
if (seen[i]) {
continue;
}
struct wlr_drm_output *output = backend->outputs->items[i];
wlr_log(L_INFO, "'%s' disappeared", output->output.name);
wlr_drm_output_cleanup(output, false);
drmModeFreeCrtc(output->old_crtc);
free(output);
list_del(backend->outputs, i);
}
}
static void page_flip_handler(int fd, unsigned seq,