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/include/nvgpu/vm.h b/drivers/gpu/nvgpu/include/nvgpu/vm.h
index b5c64c99..604f4335 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/vm.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/vm.h
@@ -96,13 +96,6 @@ struct nvgpu_mapped_buf {
         u32 ctag_lines;
         u32 ctag_allocated_lines;
 
-        /* For comptag mapping, these are the mapping window parameters */
-        bool ctags_mappable;
-        u64 ctag_map_win_addr; /* non-zero if mapped */
-        u64 ctag_map_win_size; /* non-zero if ctags_mappable */
-        u32 ctag_map_win_ctagline; /* ctagline at win start, set if
-                                    * ctags_mappable */
-
         u32 flags;
         u32 kind;
         bool va_allocated;