diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-03-04 15:44:59 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-03-13 17:15:00 +1000 |
| commit | 29181d2f7bec0f51273ceab8c565410d52ef1eb0 (patch) | |
| tree | 2a3b95c83a588bf11cb73d651086622f943376ed /drivers/gpu/drm/nouveau | |
| parent | 8b83d67c2e2b7e704e6923d00209b6e67f7bdb35 (diff) | |
drm/nvc0/vram: get part count from PUNITS
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_vram.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/drivers/gpu/drm/nouveau/nvc0_vram.c index 82b51b2506ab..a7eef8934c07 100644 --- a/drivers/gpu/drm/nouveau/nvc0_vram.c +++ b/drivers/gpu/drm/nouveau/nvc0_vram.c @@ -106,34 +106,32 @@ nvc0_vram_init(struct drm_device *dev) struct nouveau_vram_engine *vram = &dev_priv->engine.vram; const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */ const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */ - u32 parts = nv_rd32(dev, 0x121c74); + u32 parts = nv_rd32(dev, 0x022438); + u32 pmask = nv_rd32(dev, 0x022554); u32 bsize = nv_rd32(dev, 0x10f20c); u32 offset, length; bool uniform = true; int ret, part; 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 mask 0x%08x\n", parts, pmask); dev_priv->vram_type = nouveau_mem_vbios_type(dev); dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x10f200) & 0x00000004); /* read amount of vram attached to each memory controller */ - part = 0; - while (parts) { - u32 psize = nv_rd32(dev, 0x11020c + (part++ * 0x1000)); - if (psize == 0) - continue; - parts--; - - if (psize != bsize) { - if (psize < bsize) - bsize = psize; - uniform = false; + for (part = 0; part < parts; part++) { + if (!(pmask & (1 << part))) { + u32 psize = nv_rd32(dev, 0x11020c + (part * 0x1000)); + if (psize != bsize) { + if (psize < bsize) + bsize = psize; + uniform = false; + } + + NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize); + dev_priv->vram_size += (u64)psize << 20; } - - NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize); - dev_priv->vram_size += (u64)psize << 20; } /* if all controllers have the same amount attached, there's no holes */ |