[PATCH 6/6] Revert "drm/etnaviv: trick drm_mm into giving out a low IOVA"
Lucas Stach
l.stach at pengutronix.de
Wed Jan 18 11:25:22 UTC 2017
Now that commandstreams are handled through the cmdbuf suballocator
the workaround to make the IOVA games work is not needed anymore.
Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index dcc86d8eeb98..6a8c28e64866 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -117,14 +117,9 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu *mmu,
struct list_head list;
bool found;
- /*
- * XXX: The DRM_MM_SEARCH_BELOW is really a hack to trick
- * drm_mm into giving out a low IOVA after address space
- * rollover. This needs a proper fix.
- */
ret = drm_mm_insert_node_in_range(&mmu->mm, node,
size, 0, mmu->last_iova, ~0UL,
- mmu->last_iova ? DRM_MM_SEARCH_DEFAULT : DRM_MM_SEARCH_BELOW);
+ DRM_MM_SEARCH_DEFAULT);
if (ret != -ENOSPC)
break;
--
2.11.0
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