gpu: nvgpu: Remove mapping of comptags to user VA

Remove the kernel feature to map compbit backing store areas to GPU VA.
The feature is not used, and the relevant user space code is getting
removed, too.

Change-Id: I94f8bb9145da872694fdc5d3eb3c1365b2f47945
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1547898
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index 82a4ee85..c77bebf8 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -389,13 +389,6 @@ struct sg_table *gk20a_mm_pin(struct device *dev, struct dma_buf *dmabuf);
 void gk20a_mm_unpin(struct device *dev, struct dma_buf *dmabuf,
                     struct sg_table *sgt);
 
-int nvgpu_vm_get_compbits_info(struct vm_gk20a *vm,
-                               u64 mapping_gva,
-                               u64 *compbits_win_size,
-                               u32 *compbits_win_ctagline,
-                               u32 *mapping_ctagline,
-                               u32 *flags);
-
 /* vm-as interface */
 struct nvgpu_as_alloc_space_args;
 struct nvgpu_as_free_space_args;