gpu: nvgpu: Split VM implementation out

This patch begins splitting out the VM implementation from mm_gk20a.c and
moves it to common/linux/vm.c and common/mm/vm.c. This split is necessary
because the VM code has two portions: first, an interface for the OS
specific code to use (i.e userspace mappings), and second, a set of APIs
for the driver to use (init, cleanup, etc) which are not OS specific.

This is only the beginning of the split - there's still a lot of things
that need to be carefully moved around.

JIRA NVGPU-12
JIRA NVGPU-30

Change-Id: I3b57cba245d7daf9e4326a143b9c6217e0f28c96
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1477743
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index 5351750a..54317195 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -1924,7 +1924,7 @@ static int gk20a_perfbuf_map(struct dbg_session_gk20a *dbg_s,
 err_unmap:
         nvgpu_vm_unmap_buffer(vm, args->offset, NULL);
 err_remove_vm:
-        gk20a_remove_vm(vm, &mm->perfbuf.inst_block);
+        nvgpu_remove_vm(vm, &mm->perfbuf.inst_block);
         nvgpu_mutex_release(&g->dbg_sessions_lock);
         return err;
 }
@@ -1962,7 +1962,7 @@ static int gk20a_perfbuf_release_locked(struct gk20a *g, u64 offset)
         err = gk20a_perfbuf_disable_locked(g);
 
         nvgpu_vm_unmap_buffer(vm, offset, NULL);
-        gk20a_remove_vm(vm, &mm->perfbuf.inst_block);
+        nvgpu_remove_vm(vm, &mm->perfbuf.inst_block);
 
         g->perfbuf.owner = NULL;
         g->perfbuf.offset = 0;