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Commit 9e51159c authored by Jerome Glisse's avatar Jerome Glisse Committed by Dave Airlie
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drm/ttm: fix, avoid iomapping system memory 

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: default avatarJerome Glisse <jglisse@redhat.com>
Tested-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent a1e9ada3

drivers/gpu/drm/ttm/ttm_bo_util.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {