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path: root/drivers/gpu/drm/nouveau/nouveau_acpi.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_acpi.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_acpi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 284bd25d5d2..fc841e87b34 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -338,7 +338,8 @@ void nouveau_switcheroo_optimus_dsm(void)
void nouveau_unregister_dsm_handler(void)
{
- vga_switcheroo_unregister_handler();
+ if (nouveau_dsm_priv.optimus_detected || nouveau_dsm_priv.dsm_detected)
+ vga_switcheroo_unregister_handler();
}
/* retrieve the ROM in 4k blocks */