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backend/session: use device boot_display

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shouldn't need to check for `boot_vga` if newer, more general
sysfs `boot_display` is set.
closes https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/4016
This commit is contained in:
Furkan Sahin 2025-10-14 17:46:50 -04:00
parent 6d63871f05
commit d786e07899
1 changed files with 14 additions and 10 deletions
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12
backend/session/session.c
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@ -519,8 +519,6 @@ ssize_t wlr_session_find_gpus(struct wlr_session *session,
break;
}
bool is_boot_vga = false;
const char *path = udev_list_entry_get_name(entry);
struct udev_device *dev = udev_device_new_from_syspath(session->udev, path);
if (!dev) {
@ -536,6 +534,11 @@ ssize_t wlr_session_find_gpus(struct wlr_session *session,
continue;
}
bool is_primary = false;
const char *boot_display = udev_device_get_sysattr_value(dev, "boot_display");
if (boot_display && strcmp(boot_display, "1") == 0) {
is_primary = true;
} else {
// This is owned by 'dev', so we don't need to free it
struct udev_device *pci =
udev_device_get_parent_with_subsystem_devtype(dev, "pci", NULL);
@ -543,7 +546,8 @@ ssize_t wlr_session_find_gpus(struct wlr_session *session,
if (pci) {
const char *id = udev_device_get_sysattr_value(pci, "boot_vga");
if (id && strcmp(id, "1") == 0) {
is_boot_vga = true;
is_primary = true;
}
}
}
@ -557,7 +561,7 @@ ssize_t wlr_session_find_gpus(struct wlr_session *session,
udev_device_unref(dev);
ret[i] = wlr_dev;
if (is_boot_vga) {
if (is_primary) {
struct wlr_device *tmp = ret[0];
ret[0] = ret[i];
ret[i] = tmp;