diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c index 157b076a1272..6a881becb02c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c @@ -109,7 +109,7 @@ nv50_bar_oneinit(struct nvkm_bar *base) struct nvkm_device *device = bar->base.subdev.device; static struct lock_class_key bar1_lock; static struct lock_class_key bar2_lock; - u64 start, limit; + u64 start, limit, size; int ret; ret = nvkm_gpuobj_new(device, 0x20000, 0, false, NULL, &bar->mem); @@ -127,7 +127,10 @@ nv50_bar_oneinit(struct nvkm_bar *base) /* BAR2 */ start = 0x0100000000ULL; - limit = start + device->func->resource_size(device, 3); + size = device->func->resource_size(device, NVKM_BAR2_INST); + if (!size) + return -ENOMEM; + limit = start + size; ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0, &bar2_lock, "bar2", &bar->bar2_vmm); @@ -164,10 +167,15 @@ nv50_bar_oneinit(struct nvkm_bar *base) /* BAR1 */ start = 0x0000000000ULL; - limit = start + device->func->resource_size(device, 1); + size = device->func->resource_size(device, NVKM_BAR1_FB); + if (!size) + return -ENOMEM; + limit = start + size; ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0, &bar1_lock, "bar1", &bar->bar1_vmm); + if (ret) + return ret; atomic_inc(&bar->bar1_vmm->engref[NVKM_SUBDEV_BAR]); bar->bar1_vmm->debug = bar->base.subdev.debug; @@ -212,12 +220,12 @@ nv50_bar_dtor(struct nvkm_bar *base) int nv50_bar_new_(const struct nvkm_bar_func *func, struct nvkm_device *device, - int index, u32 pgd_addr, struct nvkm_bar **pbar) + enum nvkm_subdev_type type, int inst, u32 pgd_addr, struct nvkm_bar **pbar) { struct nv50_bar *bar; if (!(bar = kzalloc(sizeof(*bar), GFP_KERNEL))) return -ENOMEM; - nvkm_bar_ctor(func, device, index, &bar->base); + nvkm_bar_ctor(func, device, type, inst, &bar->base); bar->pgd_addr = pgd_addr; *pbar = &bar->base; return 0; @@ -240,7 +248,8 @@ nv50_bar_func = { }; int -nv50_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar) +nv50_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_bar **pbar) { - return nv50_bar_new_(&nv50_bar_func, device, index, 0x1400, pbar); + return nv50_bar_new_(&nv50_bar_func, device, type, inst, 0x1400, pbar); } |