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| author | Rob Clark <robdclark@gmail.com> | 2016-11-11 20:06:46 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2016-11-28 23:14:08 +0300 |
| commit | 78babc1633c4b0664ea516500c2ace9bf1f17bc7 (patch) | |
| tree | fa8cc9b136c4f749e9120a83cc5a86d1633a322c /drivers/gpu/drm/msm/msm_iommu.c | |
| parent | c83ea576010d513898c27121e5f8ac355a8eef05 (diff) | |
| download | linux-78babc1633c4b0664ea516500c2ace9bf1f17bc7.tar.xz | |
drm/msm: convert iova to 64b
For a5xx the gpu is 64b so we need to change iova to 64b everywhere. On
the display side, iova is still 32b so it can ignore the upper bits.
(Although all the armv8 devices have an iommu that can map 64b pa to 32b
iova.)
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_iommu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_iommu.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index 3a294d0da3a0..61aaaa1de6eb 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -45,13 +45,13 @@ static void msm_iommu_detach(struct msm_mmu *mmu, const char * const *names, iommu_detach_device(iommu->domain, mmu->dev); } -static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova, +static int msm_iommu_map(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt, unsigned len, int prot) { struct msm_iommu *iommu = to_msm_iommu(mmu); struct iommu_domain *domain = iommu->domain; struct scatterlist *sg; - unsigned int da = iova; + unsigned long da = iova; unsigned int i, j; int ret; @@ -62,7 +62,7 @@ static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova, dma_addr_t pa = sg_phys(sg) - sg->offset; size_t bytes = sg->length + sg->offset; - VERB("map[%d]: %08x %08lx(%zx)", i, da, (unsigned long)pa, bytes); + VERB("map[%d]: %08lx %08lx(%zx)", i, da, (unsigned long)pa, bytes); ret = iommu_map(domain, da, pa, bytes, prot); if (ret) @@ -84,13 +84,13 @@ fail: return ret; } -static int msm_iommu_unmap(struct msm_mmu *mmu, uint32_t iova, +static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt, unsigned len) { struct msm_iommu *iommu = to_msm_iommu(mmu); struct iommu_domain *domain = iommu->domain; struct scatterlist *sg; - unsigned int da = iova; + unsigned long da = iova; int i; for_each_sg(sgt->sgl, sg, sgt->nents, i) { @@ -101,7 +101,7 @@ static int msm_iommu_unmap(struct msm_mmu *mmu, uint32_t iova, if (unmapped < bytes) return unmapped; - VERB("unmap[%d]: %08x(%zx)", i, da, bytes); + VERB("unmap[%d]: %08lx(%zx)", i, da, bytes); BUG_ON(!PAGE_ALIGNED(bytes)); |