drm/nouveau: allocate mmu object for every client
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 25a47e8..2eddf19 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -116,6 +116,7 @@
{
usif_client_fini(cli);
nouveau_vmm_fini(&cli->vmm);
+ nvif_mmu_fini(&cli->mmu);
nvif_device_fini(&cli->device);
mutex_lock(&cli->drm->master.lock);
nvif_client_fini(&cli->base);
@@ -126,6 +127,13 @@
nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
struct nouveau_cli *cli)
{
+ static const struct nvif_mclass
+ mmus[] = {
+ { NVIF_CLASS_MMU_GF100, -1 },
+ { NVIF_CLASS_MMU_NV50 , -1 },
+ { NVIF_CLASS_MMU_NV04 , -1 },
+ {}
+ };
u64 device = nouveau_name(drm->dev);
int ret;
@@ -160,6 +168,18 @@
goto done;
}
+ ret = nvif_mclass(&cli->device.object, mmus);
+ if (ret < 0) {
+ NV_ERROR(drm, "No supported MMU class\n");
+ goto done;
+ }
+
+ ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu);
+ if (ret) {
+ NV_ERROR(drm, "MMU allocation failed: %d\n", ret);
+ goto done;
+ }
+
done:
if (ret)
nouveau_cli_fini(cli);