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From 85982d61790dbbf940c12ad6e747bb1ada0b1355 Mon Sep 17 00:00:00 2001
From: ceroma <165659-ceroma@users.noreply.gitlab.gnome.org>
Date: Thu, 18 Dec 2025 06:00:26 +0000
Subject: [PATCH] local-display-factory: look for 'boot_display' sysfs attr
---
daemon/gdm-local-display-factory.c | 23 +++++++++++++++++++++--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/daemon/gdm-local-display-factory.c b/daemon/gdm-local-display-factory.c
index e284f7992..f1ccf643a 100644
--- a/daemon/gdm-local-display-factory.c
+++ b/daemon/gdm-local-display-factory.c
@@ -424,6 +424,7 @@ udev_is_settled (GdmLocalDisplayFactory *factory)
const gchar *id_path = g_udev_device_get_property (device, "ID_PATH");
g_autoptr (GUdevDevice) platform_device = NULL;
g_autoptr (GUdevDevice) pci_device = NULL;
+ g_autoptr (GUdevDevice) drm_device = NULL;
if (g_strrstr (id_path, "platform-simple-framebuffer") != NULL) {
node = next_node;
@@ -451,10 +452,28 @@ udev_is_settled (GdmLocalDisplayFactory *factory)
factory->seat0_has_boot_up_graphics = TRUE;
is_settled = TRUE;
break;
- } else {
- g_debug ("GdmLocalDisplayFactory: Found secondary PCI graphics adapter, not proceeding yet.");
}
}
+
+ drm_device = g_udev_device_get_parent_with_subsystem (device, "drm", NULL);
+
+ if (drm_device != NULL) {
+ gboolean boot_display;
+
+ boot_display = g_udev_device_get_sysfs_attr_as_int (drm_device, "boot_display");
+
+ if (boot_display == 1) {
+ g_debug ("GdmLocalDisplayFactory: Found primary PCI graphics adapter, proceeding.");
+ factory->seat0_has_boot_up_graphics = TRUE;
+ is_settled = TRUE;
+ break;
+ }
+ }
+
+ if (pci_device != NULL || drm_device != NULL) {
+ g_debug ("GdmLocalDisplayFactory: Found secondary PCI graphics adapter, not proceeding yet.");
+ }
+
node = next_node;
}
--
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