Commit 5cad16ac authored by Ben Skeggs's avatar Ben Skeggs

drm/nv50/fb: prevent oops on chipsets without compression tags

Unconditionally create the tagram mm, even if there's zero tags.
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent a7dbf004
......@@ -219,13 +219,11 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
((priv->base.ram.size & 0x000000ff) << 32);
tags = nv_rd32(priv, 0x100320);
if (tags) {
ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1);
if (ret)
return ret;
nv_debug(priv, "%d compression tags\n", tags);
}
size = (priv->base.ram.size >> 12) - rsvd_head - rsvd_tail;
switch (device->chipset) {
......
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