gpu: nvgpu: gm20b: Fix build warnings

Fix build warnings by removing the unused variables, functions and
duplicated code.

Enable -Werror to prevent new build warnings.

Change-Id: Ifd73344a6e12497e6dca595ac7a6edd7ca698f88
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/497374
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 0 insertions, 50 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/mm_gm20b.c b/drivers/gpu/nvgpu/gm20b/mm_gm20b.c
index afb04cae..278ae9a6 100644
--- a/drivers/gpu/nvgpu/gm20b/mm_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/mm_gm20b.c
@@ -90,52 +90,6 @@ fail:
 
 }
 
-static void allocate_gmmu_pde_sparse(struct vm_gk20a *vm, u32 i)
-{
-        bool small_valid, big_valid;
-        u64 pte_addr[2] = {0, 0};
-        struct page_table_gk20a *small_pte =
-                vm->pdes.ptes[gmmu_page_size_small] + i;
-        struct page_table_gk20a *big_pte =
-                vm->pdes.ptes[gmmu_page_size_big] + i;
-        u32 pde_v[2] = {0, 0};
-        u32 *pde;
-
-        gk20a_dbg_fn("");
-
-        small_valid = small_pte && small_pte->ref;
-        big_valid   = big_pte && big_pte->ref;
-
-        if (small_valid)
-                pte_addr[gmmu_page_size_small] =
-                        gk20a_mm_iova_addr(small_pte->sgt->sgl);
-        if (big_valid)
-                pte_addr[gmmu_page_size_big] =
-                        gk20a_mm_iova_addr(big_pte->sgt->sgl);
-
-        pde_v[0] = gmmu_pde_size_full_f();
-        pde_v[0] |= gmmu_pde_aperture_big_invalid_f();
-        pde_v[1] |= gmmu_pde_aperture_small_invalid_f() |
-                        gmmu_pde_vol_big_true_f();
-
-        pde = pde_from_index(vm, i);
-
-        gk20a_mem_wr32(pde, 0, pde_v[0]);
-        gk20a_mem_wr32(pde, 1, pde_v[1]);
-
-        smp_mb();
-
-        FLUSH_CPU_DCACHE(pde,
-                         sg_phys(vm->pdes.sgt->sgl) + (i*gmmu_pde__size_v()),
-                         sizeof(u32)*2);
-
-        gk20a_mm_l2_invalidate(vm->mm->g);
-
-        gk20a_dbg(gpu_dbg_pte, "pde:%d = 0x%x,0x%08x\n", i, pde_v[1], pde_v[0]);
-
-        vm->tlb_dirty  = true;
-}
-
 static bool gm20b_vm_is_pde_in_range(struct vm_gk20a *vm, u64 vaddr_lo,
                                         u64 vaddr_hi, u32 pde)
 {
@@ -289,10 +243,6 @@ void gm20b_vm_clear_sparse(struct vm_gk20a *vm, u64 vaddr,
                         vm->mm->pde_stride_shift);
 
         for (pde_i = pde_lo; pde_i <= pde_hi; pde_i++) {
-                u32 pte_lo, pte_hi;
-                u32 pte_cur;
-                void *pte_kv_cur;
-
                 struct page_table_gk20a *pte = vm->pdes.ptes[pgsz_idx] + pde_i;
                 pte->ref_cnt--;