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drm/nvc0: implement memory detection

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-08-04 13:44:41 +10:00
parent 080feda59c
commit c556d98903
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/nouveau/nouveau_mem.c
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@ -320,7 +320,8 @@ nouveau_mem_detect(struct drm_device *dev)
if (dev_priv->card_type < NV_50) {
dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
} else {
} else
if (dev_priv->card_type < NV_C0) {
dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
dev_priv->vram_size |= (dev_priv->vram_size & 0xff) << 32;
dev_priv->vram_size &= 0xffffffff00ll;
@ -328,6 +329,9 @@ nouveau_mem_detect(struct drm_device *dev)
dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10);
dev_priv->vram_sys_base <<= 12;
}
} else {
dev_priv->vram_size = nv_rd32(dev, 0x10f20c) << 20;
dev_priv->vram_size *= nv_rd32(dev, 0x121c74);
}
NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20));