diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 63b9040..02b48d18 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -424,14 +424,32 @@ nouveau_mem_vram_init(struct drm_device *dev) } /* reserve space at end of VRAM for PRAMIN */ - if (dev_priv->chipset == 0x40 || dev_priv->chipset == 0x47 || - dev_priv->chipset == 0x49 || dev_priv->chipset == 0x4b) - dev_priv->ramin_rsvd_vram = (2 * 1024 * 1024); - else - if (dev_priv->card_type >= NV_40) - dev_priv->ramin_rsvd_vram = (1 * 1024 * 1024); - else - dev_priv->ramin_rsvd_vram = (512 * 1024); + if (dev_priv->card_type >= NV_50) { + dev_priv->ramin_rsvd_vram = 1 * 1024 * 1024; + } else + if (dev_priv->card_type >= NV_40) { + u32 vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8); + u32 rsvd; + + /* estimate grctx size, the magics come from nv40_grctx.c */ + if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs; + else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs; + else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs; + else rsvd = 0x4a40 * vs; + rsvd += 16 * 1024; + rsvd *= dev_priv->engine.fifo.channels; + + /* pciegart table */ + if (drm_pci_device_is_pcie(dev)) + rsvd += 512 * 1024; + + /* object storage */ + rsvd += 512 * 1024; + + dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096); + } else { + dev_priv->ramin_rsvd_vram = 512 * 1024; + } ret = dev_priv->engine.vram.init(dev); if (ret) |