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drm/nvc0: add initial memory type detection

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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>
This commit is contained in:
Ben Skeggs 2011-12-13 12:46:18 +10:00
parent c70c41e89f
commit f3298532f7
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/nouveau/nvc0_vram.c
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@ -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, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800));
NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize); 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 */ /* read amount of vram attached to each memory controller */
part = 0; part = 0;
while (parts) { while (parts) {