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/include/nvgpu/ltc.h b/drivers/gpu/nvgpu/include/nvgpu/ltc.h
index 60aa5424..21edcba7 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/ltc.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/ltc.h
@@ -29,6 +29,7 @@ struct gk20a;
 
 int nvgpu_init_ltc_support(struct gk20a *g);
 void nvgpu_ltc_sync_enabled(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);
 
 #endif