diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/channel_gk20a.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/mm_gk20a.c | 1 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c index 947b1dc668bf..0a48f6a551ae 100644 --- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c @@ -669,7 +669,7 @@ void gk20a_free_channel(struct channel_gk20a *ch, bool finish) memset(&ch->ramfc, 0, sizeof(struct mem_desc_sub)); /* free gpfifo */ - if (ch->gpfifo.gpu_va) + if (ch->vm && ch->gpfifo.gpu_va) gk20a_gmmu_unmap(ch_vm, ch->gpfifo.gpu_va, ch->gpfifo.size, gk20a_mem_flag_none); if (ch->gpfifo.cpu_va) @@ -698,8 +698,9 @@ unbind: channel_gk20a_unbind(ch); channel_gk20a_free_inst(g, ch); - ch->vpr = false; + gk20a_vm_put(ch->vm); /* Don't use VM after this. */ ch->vm = NULL; + ch->vpr = false; WARN_ON(ch->sync); /* unlink all debug sessions */ diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c index 59dc3656f486..5a828d394bfc 100644 --- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c @@ -2427,6 +2427,7 @@ int gk20a_vm_bind_channel(struct gk20a_as_share *as_share, gk20a_dbg_fn(""); + gk20a_vm_get(vm); ch->vm = vm; err = channel_gk20a_commit_va(ch); if (err) |