gpu: nvgpu: remove {map,unmap}_gmmu_pages()

The GPU page tables are always mapped to the CPU now, so they don't need
the nvgpu_mem_{begin,end}() calls.

Change-Id: Ic48eeed3a6f002c78f89ef07922cddf835337de3
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1761579
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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, 0 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/mm_gp10b.c b/drivers/gpu/nvgpu/gp10b/mm_gp10b.c
index 54772d42..e313b928 100644
--- a/drivers/gpu/nvgpu/gp10b/mm_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/mm_gp10b.c
@@ -288,12 +288,8 @@ static enum gmmu_pgsz_gk20a gp10b_get_pde0_pgsz(struct gk20a *g,
         if (!pd->mem)
                 return pgsz;
 
-        if (nvgpu_mem_begin(g, pd->mem))
-                return pgsz;
-
         for (i = 0; i < GP10B_PDE0_ENTRY_SIZE >> 2; i++)
                 pde_v[i] = nvgpu_mem_rd32(g, pd->mem, pde_offset + i);
-        nvgpu_mem_end(g, pd->mem);
 
         /*
          * Check if the aperture AND address are set