gpu: nvgpu: support allocating CBC in vidmem

Update nvgpu_ltc_alloc_cbc() API to accept a flag for vidmem allocation
and allocate CBC memory into vidmem if flag is set

Bug 2180284
Jira NVGPUT-12

Change-Id: Ia6b9bb670c9fab6b5787de15526fcc753d702a73
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1805468
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/os/posix/stubs.c b/drivers/gpu/nvgpu/os/posix/stubs.c
index 1e50930a..279f4daa 100644
--- a/drivers/gpu/nvgpu/os/posix/stubs.c
+++ b/drivers/gpu/nvgpu/os/posix/stubs.c
@@ -43,7 +43,8 @@ void nvgpu_ecc_sysfs_remove(struct gk20a *g)
 {
 }
 
-int nvgpu_ltc_alloc_cbc(struct gk20a *g, size_t compbit_backing_size)
+int nvgpu_ltc_alloc_cbc(struct gk20a *g, size_t compbit_backing_size,
+                        bool vidmem_alloc)
 {
         return 0;
 }