1 files changed, 2 insertions, 171 deletions

diff --git a/drivers/gpu/nvgpu/os/linux/dma.c b/drivers/gpu/nvgpu/os/linux/linux-dma.c
index 77669493..a42e7cb5 100644
--- a/drivers/gpu/nvgpu/os/linux/dma.c
+++ b/drivers/gpu/nvgpu/os/linux/linux-dma.c
@@ -174,45 +174,6 @@ static void nvgpu_dma_flags_to_attrs(struct dma_attrs *attrs,
 #undef ATTR_ARG
 }
 
-int nvgpu_dma_alloc(struct gk20a *g, size_t size, struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_flags(g, 0, size, mem);
-}
-
-int nvgpu_dma_alloc_flags(struct gk20a *g, unsigned long flags, size_t size,
-                struct nvgpu_mem *mem)
-{
-        if (!nvgpu_is_enabled(g, NVGPU_MM_UNIFIED_MEMORY)) {
-                /*
-                 * Force the no-kernel-mapping flag on because we don't support
-                 * the lack of it for vidmem - the user should not care when
-                 * using nvgpu_gmmu_alloc_map and it's vidmem, or if there's a
-                 * difference, the user should use the flag explicitly anyway.
-                 *
-                 * Incoming flags are ignored here, since bits other than the
-                 * no-kernel-mapping flag are ignored by the vidmem mapping
-                 * functions anyway.
-                 */
-                int err = nvgpu_dma_alloc_flags_vid(g,
-                                NVGPU_DMA_NO_KERNEL_MAPPING,
-                                size, mem);
-
-                if (!err)
-                        return 0;
-                /*
-                 * Fall back to sysmem (which may then also fail) in case
-                 * vidmem is exhausted.
-                 */
-        }
-
-        return nvgpu_dma_alloc_flags_sys(g, flags, size, mem);
-}
-
-int nvgpu_dma_alloc_sys(struct gk20a *g, size_t size, struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_flags_sys(g, 0, size, mem);
-}
-
 int nvgpu_dma_alloc_flags_sys(struct gk20a *g, unsigned long flags,
                 size_t size, struct nvgpu_mem *mem)
 {
@@ -302,25 +263,6 @@ fail_free_dma:
         return err;
 }
 
-int nvgpu_dma_alloc_vid(struct gk20a *g, size_t size, struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_flags_vid(g,
-                        NVGPU_DMA_NO_KERNEL_MAPPING, size, mem);
-}
-
-int nvgpu_dma_alloc_flags_vid(struct gk20a *g, unsigned long flags,
-                size_t size, struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_flags_vid_at(g, flags, size, mem, 0);
-}
-
-int nvgpu_dma_alloc_vid_at(struct gk20a *g,
-                size_t size, struct nvgpu_mem *mem, u64 at)
-{
-        return nvgpu_dma_alloc_flags_vid_at(g,
-                        NVGPU_DMA_NO_KERNEL_MAPPING, size, mem, at);
-}
-
 int nvgpu_dma_alloc_flags_vid_at(struct gk20a *g, unsigned long flags,
                 size_t size, struct nvgpu_mem *mem, u64 at)
 {
@@ -405,97 +347,7 @@ fail_physfree:
 #endif
 }
 
-int nvgpu_dma_alloc_map(struct vm_gk20a *vm, size_t size,
-                struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_map_flags(vm, 0, size, mem);
-}
-
-int nvgpu_dma_alloc_map_flags(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct nvgpu_mem *mem)
-{
-        if (!nvgpu_is_enabled(gk20a_from_vm(vm), NVGPU_MM_UNIFIED_MEMORY)) {
-                /*
-                 * Force the no-kernel-mapping flag on because we don't support
-                 * the lack of it for vidmem - the user should not care when
-                 * using nvgpu_dma_alloc_map and it's vidmem, or if there's a
-                 * difference, the user should use the flag explicitly anyway.
-                 */
-                int err = nvgpu_dma_alloc_map_flags_vid(vm,
-                                flags | NVGPU_DMA_NO_KERNEL_MAPPING,
-                                size, mem);
-
-                if (!err)
-                        return 0;
-                /*
-                 * Fall back to sysmem (which may then also fail) in case
-                 * vidmem is exhausted.
-                 */
-        }
-
-        return nvgpu_dma_alloc_map_flags_sys(vm, flags, size, mem);
-}
-
-int nvgpu_dma_alloc_map_sys(struct vm_gk20a *vm, size_t size,
-                struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_map_flags_sys(vm, 0, size, mem);
-}
-
-int nvgpu_dma_alloc_map_flags_sys(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct nvgpu_mem *mem)
-{
-        int err = nvgpu_dma_alloc_flags_sys(vm->mm->g, flags, size, mem);
-
-        if (err)
-                return err;
-
-        mem->gpu_va = nvgpu_gmmu_map(vm, mem, size, 0,
-                                     gk20a_mem_flag_none, false,
-                                     mem->aperture);
-        if (!mem->gpu_va) {
-                err = -ENOMEM;
-                goto fail_free;
-        }
-
-        return 0;
-
-fail_free:
-        nvgpu_dma_free(vm->mm->g, mem);
-        return err;
-}
-
-int nvgpu_dma_alloc_map_vid(struct vm_gk20a *vm, size_t size,
-                struct nvgpu_mem *mem)
-{
-        return nvgpu_dma_alloc_map_flags_vid(vm,
-                        NVGPU_DMA_NO_KERNEL_MAPPING, size, mem);
-}
-
-int nvgpu_dma_alloc_map_flags_vid(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct nvgpu_mem *mem)
-{
-        int err = nvgpu_dma_alloc_flags_vid(vm->mm->g, flags, size, mem);
-
-        if (err)
-                return err;
-
-        mem->gpu_va = nvgpu_gmmu_map(vm, mem, size, 0,
-                                     gk20a_mem_flag_none, false,
-                                     mem->aperture);
-        if (!mem->gpu_va) {
-                err = -ENOMEM;
-                goto fail_free;
-        }
-
-        return 0;
-
-fail_free:
-        nvgpu_dma_free(vm->mm->g, mem);
-        return err;
-}
-
-static void nvgpu_dma_free_sys(struct gk20a *g, struct nvgpu_mem *mem)
+void nvgpu_dma_free_sys(struct gk20a *g, struct nvgpu_mem *mem)
 {
         struct device *d = dev_from_gk20a(g);
 
@@ -551,7 +403,7 @@ static void nvgpu_dma_free_sys(struct gk20a *g, struct nvgpu_mem *mem)
         mem->aperture = APERTURE_INVALID;
 }
 
-static void nvgpu_dma_free_vid(struct gk20a *g, struct nvgpu_mem *mem)
+void nvgpu_dma_free_vid(struct gk20a *g, struct nvgpu_mem *mem)
 {
 #if defined(CONFIG_GK20A_VIDMEM)
         size_t mem_size = mem->size;
@@ -590,27 +442,6 @@ static void nvgpu_dma_free_vid(struct gk20a *g, struct nvgpu_mem *mem)
 #endif
 }
 
-void nvgpu_dma_free(struct gk20a *g, struct nvgpu_mem *mem)
-{
-        switch (mem->aperture) {
-        case APERTURE_SYSMEM:
-                return nvgpu_dma_free_sys(g, mem);
-        case APERTURE_VIDMEM:
-                return nvgpu_dma_free_vid(g, mem);
-        default:
-                break; /* like free() on "null" memory */
-        }
-}
-
-void nvgpu_dma_unmap_free(struct vm_gk20a *vm, struct nvgpu_mem *mem)
-{
-        if (mem->gpu_va)
-                nvgpu_gmmu_unmap(vm, mem, mem->gpu_va);
-        mem->gpu_va = 0;
-
-        nvgpu_dma_free(vm->mm->g, mem);
-}
-
 int nvgpu_get_sgtable_attrs(struct gk20a *g, struct sg_table **sgt,
                       void *cpuva, u64 iova, size_t size, unsigned long flags)
 {