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, 1 insertions, 9 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vm_priv.h b/drivers/gpu/nvgpu/common/linux/vm_priv.h
index 14852264..4f6b10bb 100644
--- a/drivers/gpu/nvgpu/common/linux/vm_priv.h
+++ b/drivers/gpu/nvgpu/common/linux/vm_priv.h
@@ -49,12 +49,6 @@ u64 nvgpu_vm_map(struct vm_gk20a *vm,
                  u64 mapping_size,
                  struct vm_gk20a_mapping_batch *mapping_batch);
 
-int nvgpu_vm_map_compbits(struct vm_gk20a *vm,
-                          u64 mapping_gva,
-                          u64 *compbits_win_gva,
-                          u64 *mapping_iova,
-                          u32 flags);
-
 /* Note: batch may be NULL if map op is not part of a batch */
 int nvgpu_vm_map_buffer(struct vm_gk20a *vm,
                         int dmabuf_fd,
@@ -86,8 +80,6 @@ int gk20a_alloc_comptags(struct gk20a *g,
                          struct device *dev,
                          struct dma_buf *dmabuf,
                          struct gk20a_comptag_allocator *allocator,
-                         u32 lines, bool user_mappable,
-                         u64 *ctag_map_win_size,
-                         u32 *ctag_map_win_ctagline);
+                         u32 lines);
 
 #endif