drm/nvc0: add initial memory type detection



Uses only the VBIOS tables, from what I can tell this is what NVIDIA do
too, I was able to change the detected memory type by modifying this table
on a NVC1 chipset.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

parent c70c41e8

drivers/gpu/drm/nouveau/nvc0_vram.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -115,6 +115,8 @@ nvc0_vram_init(struct drm_device *dev)
		NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800));
		NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize);

		dev_priv->vram_type = nouveau_mem_vbios_type(dev);

		/* read amount of vram attached to each memory controller */
		part = 0;
		while (parts) {