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Revert "drm/etnaviv: trick drm_mm into giving out a low IOVA"

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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@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
This commit is contained in:
Lucas Stach 2017-01-17 11:04:45 +01:00
parent e66774dd6f
commit e17d0bf23f
1 changed files with 1 additions and 6 deletions
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7
drivers/gpu/drm/etnaviv/etnaviv_mmu.c
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@ -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;