diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_acpi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 7814a760c16..fc841e87b34 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -270,7 +270,7 @@ static bool nouveau_dsm_detect(void) struct acpi_buffer buffer = {sizeof(acpi_method_name), acpi_method_name}; struct pci_dev *pdev = NULL; int has_dsm = 0; - int has_optimus; + int has_optimus = 0; int vga_count = 0; bool guid_valid; int retval; @@ -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 */ |