Commit b7875eb9 authored by Yong Wu's avatar Yong Wu Committed by Will Deacon
Browse files

iommu/mediatek: Move geometry.aperture updating into domain_finalise 



Move the domain geometry.aperture updating into domain_finalise.
This is a preparing patch for updating the domain region. We know the
detailed iova region in the attach_device.

Signed-off-by: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarTomasz Figa <tfiga@chromium.org>
Link: https://lore.kernel.org/r/20210111111914.22211-26-yong.wu@mediatek.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 4f956c97

drivers/iommu/mtk_iommu.c

+4 −3
Original line number Diff line number Diff line
@@ -353,6 +353,10 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, 


	/* Update our support page sizes bitmap */

	dom->domain.pgsize_bitmap = dom->cfg.pgsize_bitmap;



	dom->domain.geometry.aperture_start = 0;

	dom->domain.geometry.aperture_end = DMA_BIT_MASK(32);

	dom->domain.geometry.force_aperture = true;

	return 0;

}
@@ -372,9 +376,6 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type) 
		return NULL;

	}



	dom->domain.geometry.aperture_start = 0;

	dom->domain.geometry.aperture_end = DMA_BIT_MASK(32);

	dom->domain.geometry.force_aperture = true;

	return &dom->domain;

}