If the memory is not iomem we should not try to
ioremap it. Should fix :
https://bugs.freedesktop.org/show_bug.cgi?id=27822
Signed-off-by: Jerome Glisse <jgli...@redhat.com>
---
drivers/gpu/drm/ttm/ttm_bo_util.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c
b/drivers/gpu/drm/ttm/ttm_bo_util.c
index a37a948..13012a1 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -113,7 +113,7 @@ int ttm_mem_reg_ioremap(struct ttm_bo_device *bdev, struct
ttm_mem_reg *mem,
*virtual = NULL;
ret = ttm_mem_io_reserve(bdev, mem);
- if (ret)
+ if (ret || !mem->bus.is_iomem)
return ret;
if (mem->bus.addr) {
--
1.7.0.1
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