static struct nouveau_drm_tile *
nv10_bo_set_tiling(struct drm_device *dev, u32 addr,
u32 size, u32 pitch, u32 zeta)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvkm_fb *fb = nvxx_fb(&drm->client.device);
struct nouveau_drm_tile *tile, *found = NULL;
int i;
for (i = 0; i < fb->tile.regions; i++) {
tile = nv10_bo_get_tile_region(dev, i);
if (pitch && !found) {
found = tile;
continue;
} else if (tile && fb->tile.region[i].pitch) {
/* Kill an unused tile region. */
nv10_bo_update_tile_region(dev, tile, 0, 0, 0, 0);
}
nv10_bo_put_tile_region(dev, tile, NULL);
}
if (found)
nv10_bo_update_tile_region(dev, found, addr, size, pitch, zeta);
return found;
}
int
nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nvkm_fb *pfb = nvxx_fb(&drm->device);
struct drm_nouveau_gem_new *req = data;
struct nouveau_bo *nvbo = NULL;
int ret = 0;
if (!pfb->memtype_valid(pfb, req->info.tile_flags)) {
NV_PRINTK(error, cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
return -EINVAL;
}
ret = nouveau_gem_new(dev, req->info.size, req->align,
req->info.domain, req->info.tile_mode,
req->info.tile_flags, &nvbo);
if (ret)
return ret;
ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle);
if (ret == 0) {
ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info);
if (ret)
drm_gem_handle_delete(file_priv, req->info.handle);
}
/* drop reference from allocate - handle holds it now */
drm_gem_object_unreference_unlocked(&nvbo->gem);
return ret;
}
static void
nv10_bo_update_tile_region(struct drm_device *dev, struct nouveau_drm_tile *reg,
u32 addr, u32 size, u32 pitch, u32 flags)
{
struct nouveau_drm *drm = nouveau_drm(dev);
int i = reg - drm->tile.reg;
struct nvkm_fb *fb = nvxx_fb(&drm->client.device);
struct nvkm_fb_tile *tile = &fb->tile.region[i];
nouveau_fence_unref(®->fence);
if (tile->pitch)
nvkm_fb_tile_fini(fb, i, tile);
if (pitch)
nvkm_fb_tile_init(fb, i, addr, size, pitch, flags, tile);
nvkm_fb_tile_prog(fb, i, tile);
}
