From: Dave Airlie airlied@redhat.com
remove the overlapping memcp support as it's never used.
Signed-off-by: Dave Airlie airlied@redhat.com --- drivers/gpu/drm/ttm/ttm_bo_util.c | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 0a5694ef1e07..ecb54415d1ca 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -180,9 +180,6 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, void *new_iomap; int ret; unsigned long i; - unsigned long page; - unsigned long add = 0; - int dir;
ret = ttm_bo_wait_ctx(bo, ctx); if (ret) @@ -220,27 +217,17 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, goto out1; }
- add = 0; - dir = 1; - - if ((old_mem->mem_type == new_mem->mem_type) && - (new_mem->start < old_mem->start + old_mem->size)) { - dir = -1; - add = new_mem->num_pages - 1; - } - for (i = 0; i < new_mem->num_pages; ++i) { - page = i * dir + add; if (old_iomap == NULL) { pgprot_t prot = ttm_io_prot(bo, old_mem, PAGE_KERNEL); - ret = ttm_copy_ttm_io_page(ttm, new_iomap, page, + ret = ttm_copy_ttm_io_page(ttm, new_iomap, i, prot); } else if (new_iomap == NULL) { pgprot_t prot = ttm_io_prot(bo, new_mem, PAGE_KERNEL); - ret = ttm_copy_io_ttm_page(ttm, old_iomap, page, + ret = ttm_copy_io_ttm_page(ttm, old_iomap, i, prot); } else { - ret = ttm_copy_io_page(new_iomap, old_iomap, page); + ret = ttm_copy_io_page(new_iomap, old_iomap, i); } if (ret) goto out1;