* Authors: Ben Skeggs
*/
+#include <linux/apple-gmux.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
+#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include "drmP.h"
bool boot = false;
int ret;
+ /*
+ * apple-gmux is needed on dual GPU MacBook Pro
+ * to probe the panel if we're the inactive GPU.
+ */
+ if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) &&
+ apple_gmux_present() && pdev != vga_default_device() &&
+ !vga_switcheroo_handler_flags())
+ return -EPROBE_DEFER;
+
/* remove conflicting drivers (vesafb, efifb etc) */
aper = alloc_apertures(3);
if (!aper)
nouveau_display_options();
if (nouveau_modeset == -1) {
-#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force())
nouveau_modeset = 0;
-#endif
}
if (!nouveau_modeset)