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drm/nv50: make nv50_mem_vm_{bind,unbind} operate only on vram 

GART is handled elsewhere, no reason to have the code for it here too.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-02-11 10:23:30 +10:00
parent e7e65caefd
commit 66b6ebaccb
1 changed files with 13 additions and 30 deletions
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43
drivers/gpu/drm/nouveau/nouveau_mem.c
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@ -285,53 +285,36 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
uint32_t flags, uint64_t phys)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj **pgt;
unsigned psz, pfl, pages;
unsigned pages;
if (virt >= dev_priv->vm_gart_base &&
(virt + size) < (dev_priv->vm_gart_base + dev_priv->vm_gart_size)) {
psz = 12;
pgt = &dev_priv->gart_info.sg_ctxdma;
pfl = 0x21;
virt -= dev_priv->vm_gart_base;
} else
if (virt >= dev_priv->vm_vram_base &&
(virt + size) < (dev_priv->vm_vram_base + dev_priv->vm_vram_size)) {
psz = 16;
pgt = dev_priv->vm_vram_pt;
pfl = 0x01;
virt -= dev_priv->vm_vram_base;
} else {
NV_ERROR(dev, "Invalid address: 0x%16llx-0x%16llx\n",
virt, virt + size - 1);
return -EINVAL;
}
pages = size >> psz;
virt -= dev_priv->vm_vram_base;
pages = size >> 16;
dev_priv->engine.instmem.prepare_access(dev, true);
if (flags & 0x80000000) {
while (pages--) {
struct nouveau_gpuobj *pt = pgt[virt >> 29];
unsigned pte = ((virt & 0x1fffffffULL) >> psz) << 1;
struct nouveau_gpuobj *pt =
dev_priv->vm_vram_pt[virt >> 29];
unsigned pte = ((virt & 0x1fffffffULL) >> 16) << 1;
nv_wo32(dev, pt, pte++, 0x00000000);
nv_wo32(dev, pt, pte++, 0x00000000);
virt += (1 << psz);
virt += (1 << 16);
}
} else {
while (pages--) {
struct nouveau_gpuobj *pt = pgt[virt >> 29];
unsigned pte = ((virt & 0x1fffffffULL) >> psz) << 1;
struct nouveau_gpuobj *pt =
dev_priv->vm_vram_pt[virt >> 29];
unsigned pte = ((virt & 0x1fffffffULL) >> 16) << 1;
unsigned offset_h = upper_32_bits(phys) & 0xff;
unsigned offset_l = lower_32_bits(phys);
nv_wo32(dev, pt, pte++, offset_l | pfl);
nv_wo32(dev, pt, pte++, offset_l | 1);
nv_wo32(dev, pt, pte++, offset_h | flags);
phys += (1 << psz);
virt += (1 << psz);
phys += (1 << 16);
virt += (1 << 16);
}
}
dev_priv->engine.instmem.finish_access(dev);