AuxXxilium/linux_dsm_epyc7002
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drm/msm: Use correct type for physical addresses

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The u32 type used to pass the physical addresses to iommu_map can't
accommodate 64 bit addresses. Move to dma_addr_t to ensure wrong
addresses aren't provided to the IOMMU driver.

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Archit Taneja 2016-04-17 20:28:43 +05:30 committed by Rob Clark
parent 2d635fded2
commit 69be1f4e6f
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/msm/msm_iommu.c
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@ -59,10 +59,10 @@ static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova,
return -EINVAL;
for_each_sg(sgt->sgl, sg, sgt->nents, i) {
u32 pa = sg_phys(sg) - sg->offset;
dma_addr_t pa = sg_phys(sg) - sg->offset;
size_t bytes = sg->length + sg->offset;
VERB("map[%d]: %08x %08x(%zx)", i, iova, pa, bytes);
VERB("map[%d]: %08x %08lx(%zx)", i, iova, (unsigned long)pa, bytes);
ret = iommu_map(domain, da, pa, bytes, prot);
if (ret)