drm/etnaviv: only try to use the linear window on MMUv1 (1486b1cb) · Commits · 戴 / test

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;