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Commit e17d0bf2 authored by Lucas Stach's avatar Lucas Stach
Browse files

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



Now that commandstreams are handled through the cmdbuf suballocator
the workaround to make the IOVA games work is not needed anymore.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Reviewed-by: default avatarChristian Gmeiner <christian.gmeiner@gmail.com>
parent e66774dd

drivers/gpu/drm/etnaviv/etnaviv_mmu.c

+1 −6
Original line number Diff line number Diff line
@@ -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;