diff options
| -rw-r--r-- | drivers/video/tegra/nvmap.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/video/tegra/nvmap.c b/drivers/video/tegra/nvmap.c index 521471b0d7ac..9b24e3ff259c 100644 --- a/drivers/video/tegra/nvmap.c +++ b/drivers/video/tegra/nvmap.c @@ -2415,12 +2415,19 @@ static ssize_t _nvmap_do_rw_handle(struct nvmap_handle *h, int is_read, } while (count--) { - size_t ret = _nvmap_do_one_rw_handle(h, is_read, + size_t ret; + if (is_read) + _nvmap_do_cache_maint(h, h_offs, h_offs + elem_size, + NVMEM_CACHE_OP_INV, false); + ret = _nvmap_do_one_rw_handle(h, is_read, is_user, h_offs, sys_addr, elem_size, &addr); if (ret < 0) { if (!bytes_copied) bytes_copied = ret; break; } + if (!is_read) + _nvmap_do_cache_maint(h, h_offs, h_offs + ret, + NVMEM_CACHE_OP_WB, false); bytes_copied += ret; if (ret < elem_size) break; sys_addr += sys_stride; |