drm/nv04-nv40: Give "gpuobj->cinst" the same meaning as on nv50.

No functional changes, just simplify some code paths a bit.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index 924653c..2fb7e9d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -202,11 +202,7 @@
 		if (gpuobj->pinst != ~0)
 			gpuobj->pinst += ramin->start;
 
-		if (dev_priv->card_type < NV_50)
-			gpuobj->cinst = gpuobj->pinst;
-		else
-			gpuobj->cinst = ramin->start;
-
+		gpuobj->cinst = ramin->start;
 		gpuobj->vinst = ramin->start + chan->ramin->vinst;
 		gpuobj->node  = ramin;
 	} else {