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Commit 1486b1cb authored by Lucas Stach's avatar Lucas Stach
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drm/etnaviv: only try to use the linear window on MMUv1 



As the comment above the code states, the linear window is only
available on MMUv1. Don't try to use it on MMUv2.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
parent 9c7310c0

drivers/gpu/drm/etnaviv/etnaviv_mmu.c

+2 −1
Original line number Diff line number Diff line
@@ -115,7 +115,8 @@ int etnaviv_iommu_map_gem(struct etnaviv_iommu *mmu, 
	mutex_lock(&mmu->lock);



	/* v1 MMU can optimize single entry (contiguous) scatterlists */

	if (sgt->nents == 1 && !(etnaviv_obj->flags & ETNA_BO_FORCE_MMU)) {

	if (mmu->version == ETNAVIV_IOMMU_V1 &&

	    sgt->nents == 1 && !(etnaviv_obj->flags & ETNA_BO_FORCE_MMU)) {

		u32 iova;



		iova = sg_dma_address(sgt->sgl) - memory_base;