drm/nv4c/vga: decode register is in a different place on nv4x igp's

Suggested-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
index 81638d7f2eff..471347edc27e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
@@ -14,7 +14,9 @@ nouveau_vga_set_decode(void *priv, bool state)
 {
         struct nouveau_device *device = nouveau_dev(priv);
 
-        if (device->chipset >= 0x40)
+        if (device->card_type == NV_40 && device->chipset >= 0x4c)
+                nv_wr32(device, 0x088060, state);
+        else if (device->chipset >= 0x40)
                 nv_wr32(device, 0x088054, state);
         else
                 nv_wr32(device, 0x001854, state);