diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_util.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_util.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index eaed29b81d9e..ee04716b2603 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -140,7 +140,6 @@ int ttm_mem_io_reserve(struct ttm_bo_device *bdev, mem->bus.addr = NULL; mem->bus.offset = 0; - mem->bus.size = mem->num_pages << PAGE_SHIFT; mem->bus.base = 0; mem->bus.is_iomem = false; retry: @@ -214,12 +213,14 @@ static int ttm_resource_ioremap(struct ttm_bo_device *bdev, if (mem->bus.addr) { addr = mem->bus.addr; } else { + size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT; + if (mem->placement & TTM_PL_FLAG_WC) addr = ioremap_wc(mem->bus.base + mem->bus.offset, - mem->bus.size); + bus_size); else addr = ioremap(mem->bus.base + mem->bus.offset, - mem->bus.size); + bus_size); if (!addr) { (void) ttm_mem_io_lock(man, false); ttm_mem_io_free(bdev, mem); |