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path: root/drivers/gpu/drm/msm/msm_iommu.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_iommu.c')
-rw-r--r--drivers/gpu/drm/msm/msm_iommu.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 3a294d0da3a0..7f5779daf5c8 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -24,9 +24,12 @@ struct msm_iommu {
};
#define to_msm_iommu(x) container_of(x, struct msm_iommu, base)
-static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev,
+static int msm_fault_handler(struct iommu_domain *domain, struct device *dev,
unsigned long iova, int flags, void *arg)
{
+ struct msm_iommu *iommu = arg;
+ if (iommu->base.handler)
+ return iommu->base.handler(iommu->base.arg, iova, flags);
pr_warn_ratelimited("*** fault: iova=%08lx, flags=%d\n", iova, flags);
return 0;
}
@@ -45,13 +48,13 @@ 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 +65,7 @@ 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 +87,13 @@ 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 +104,7 @@ 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));
@@ -136,7 +139,7 @@ struct msm_mmu *msm_iommu_new(struct device *dev, struct iommu_domain *domain)
iommu->domain = domain;
msm_mmu_init(&iommu->base, dev, &funcs);
- iommu_set_fault_handler(domain, msm_fault_handler, dev);
+ iommu_set_fault_handler(domain, msm_fault_handler, iommu);
return &iommu->base;
}