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Commit 5f3ac299 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/fb/ram/mcp77: use carveout reg to determine size



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 0b428011
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+3 −4
Original line number Diff line number Diff line
@@ -44,16 +44,15 @@ nvaa_ram_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
	if (ret)
		return ret;

	priv->base.size = nv_rd32(pfb, 0x10020c);
	priv->base.size = (priv->base.size & 0xffffff00) | ((priv->base.size & 0x000000ff) << 32);
	priv->base.type   = NV_MEM_TYPE_STOLEN;
	priv->base.stolen = (u64)nv_rd32(pfb, 0x100e10) << 12;
	priv->base.size   = (u64)nv_rd32(pfb, 0x100e14) << 12;

	ret = nouveau_mm_init(&pfb->vram, rsvd_head, (priv->base.size >> 12) -
			      (rsvd_head + rsvd_tail), 1);
	if (ret)
		return ret;

	priv->base.type   = NV_MEM_TYPE_STOLEN;
	priv->base.stolen = (u64)nv_rd32(pfb, 0x100e10) << 12;
	priv->base.get = nv50_ram_get;
	priv->base.put = nv50_ram_put;
	return 0;