diff options
Diffstat (limited to 'drm/nouveau/nouveau_gem.c')
-rw-r--r-- | drm/nouveau/nouveau_gem.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drm/nouveau/nouveau_gem.c b/drm/nouveau/nouveau_gem.c index 9ebf16c1a..bc14f631e 100644 --- a/drm/nouveau/nouveau_gem.c +++ b/drm/nouveau/nouveau_gem.c @@ -173,6 +173,62 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) } int +nouveau_gem_ioctl_set_tiling(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_set_tiling *req = data; + struct drm_gem_object *gem; + struct nouveau_bo *nvbo; + struct nvkm_vma *vma; + int ret = 0; + + if (!pfb->memtype_valid(pfb, req->tile_flags)) { + NV_PRINTK(error, cli, "bad memtype: 0x%08x\n", req->tile_flags); + return -EINVAL; + } + + gem = drm_gem_object_lookup(dev, file_priv, req->handle); + + if (!gem) + return -ENOENT; + + nvbo = nouveau_gem_object(gem); + + if (nvbo->tile_mode != req->tile_mode || + nvbo->tile_flags != req->tile_flags) { + + ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); + + if (ret) + goto out; + + vma = nouveau_bo_vma_find(nvbo, cli->vm); + + if (!vma) { + ret = -ENOENT; + } else { + struct nvkm_mem *mem = nvbo->bo.mem.mm_node; + + nvbo->tile_mode = req->tile_mode; + nvbo->tile_flags = req->tile_flags; + + /* Need to rewrite page tables */ + mem->memtype = (nvbo->tile_flags >> 8) & 0xff; + nvkm_vm_map(vma, nvbo->bo.mem.mm_node); + } + + ttm_bo_unreserve(&nvbo->bo); + } + +out: + drm_gem_object_unreference_unlocked(gem); + return ret; +} + +int nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain, uint32_t tile_mode, uint32_t tile_flags, struct nouveau_bo **pnvbo) |