drm/nv50: allow gpuobjs that aren't mapped into aperture

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c
index c18d1d8..5c617f8 100644
--- a/drivers/gpu/drm/nouveau/nv50_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv50_instmem.c
@@ -249,6 +249,8 @@
 	for (i = 0; i < 8; i++)
 		nv_wr32(dev, 0x1900 + (i*4), 0);
 
+	dev_priv->ramin_available = true;
+
 	/* Assume that praying isn't enough, check that we can re-read the
 	 * entire fake channel back from the PRAMIN BAR */
 	for (i = 0; i < c_size; i += 4) {