diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 40610595a2d3..9ecb23b1089b 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -22,8 +22,6 @@ #include "etnaviv_gpu.h" #include "etnaviv_gem.h" #include "etnaviv_mmu.h" -#include "etnaviv_iommu.h" -#include "etnaviv_iommu_v2.h" #include "common.xml.h" #include "state.xml.h" #include "state_hi.xml.h" @@ -585,9 +583,6 @@ static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu) int etnaviv_gpu_init(struct etnaviv_gpu *gpu) { int ret, i; - struct iommu_domain *iommu; - enum etnaviv_iommu_version version; - bool mmuv2; ret = pm_runtime_get_sync(gpu->dev); if (ret < 0) { @@ -635,32 +630,10 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) goto fail; } - /* Setup IOMMU.. eventually we will (I think) do this once per context - * and have separate page tables per context. For now, to keep things - * simple and to get something working, just use a single address space: - */ - mmuv2 = gpu->identity.minor_features1 & chipMinorFeatures1_MMU_VERSION; - dev_dbg(gpu->dev, "mmuv2: %d\n", mmuv2); - - if (!mmuv2) { - iommu = etnaviv_iommu_domain_alloc(gpu); - version = ETNAVIV_IOMMU_V1; - } else { - iommu = etnaviv_iommu_v2_domain_alloc(gpu); - version = ETNAVIV_IOMMU_V2; - } - - if (!iommu) { - dev_err(gpu->dev, "Failed to allocate GPU IOMMU domain\n"); - ret = -ENOMEM; - goto fail; - } - - gpu->mmu = etnaviv_iommu_new(gpu, iommu, version); - if (!gpu->mmu) { + gpu->mmu = etnaviv_iommu_new(gpu); + if (IS_ERR(gpu->mmu)) { dev_err(gpu->dev, "Failed to instantiate GPU IOMMU\n"); - iommu_domain_free(iommu); - ret = -ENOMEM; + ret = PTR_ERR(gpu->mmu); goto fail; } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c index 912a290a4e9c..81f1583a7946 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c @@ -219,7 +219,7 @@ void etnaviv_iommuv1_restore(struct etnaviv_gpu *gpu) gpu_write(gpu, VIVS_MC_MMU_RA_PAGE_TABLE, pgtable); } -struct iommu_domain *etnaviv_iommu_domain_alloc(struct etnaviv_gpu *gpu) +struct iommu_domain *etnaviv_iommuv1_domain_alloc(struct etnaviv_gpu *gpu) { struct etnaviv_iommu_domain *etnaviv_domain; int ret; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.h b/drivers/gpu/drm/etnaviv/etnaviv_iommu.h index dfb4ba23ce08..4b6212999c1e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.h @@ -20,8 +20,8 @@ #include struct etnaviv_gpu; -struct iommu_domain *etnaviv_iommu_domain_alloc(struct etnaviv_gpu *gpu); +struct iommu_domain *etnaviv_iommuv1_domain_alloc(struct etnaviv_gpu *gpu); void etnaviv_iommuv1_restore(struct etnaviv_gpu *gpu); -struct iommu_domain *etnaviv_iommu_v2_domain_alloc(struct etnaviv_gpu *gpu); +struct iommu_domain *etnaviv_iommuv2_domain_alloc(struct etnaviv_gpu *gpu); #endif /* __ETNAVIV_IOMMU_H__ */ diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c index fbb4aed3dc80..8c913c83ac5e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c @@ -26,7 +26,7 @@ #include "state_hi.xml.h" -struct iommu_domain *etnaviv_iommu_v2_domain_alloc(struct etnaviv_gpu *gpu) +struct iommu_domain *etnaviv_iommuv2_domain_alloc(struct etnaviv_gpu *gpu) { /* TODO */ return NULL; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c index 55d4229f6932..e744c6d81a2d 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c @@ -14,6 +14,7 @@ * this program. If not, see . */ +#include "common.xml.h" #include "etnaviv_drv.h" #include "etnaviv_gem.h" #include "etnaviv_gpu.h" @@ -258,26 +259,39 @@ void etnaviv_iommu_destroy(struct etnaviv_iommu *mmu) kfree(mmu); } -struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu, - struct iommu_domain *domain, enum etnaviv_iommu_version version) +struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu) { + enum etnaviv_iommu_version version; struct etnaviv_iommu *mmu; mmu = kzalloc(sizeof(*mmu), GFP_KERNEL); if (!mmu) return ERR_PTR(-ENOMEM); - mmu->domain = domain; + if (!(gpu->identity.minor_features1 & chipMinorFeatures1_MMU_VERSION)) { + mmu->domain = etnaviv_iommuv1_domain_alloc(gpu); + version = ETNAVIV_IOMMU_V1; + } else { + mmu->domain = etnaviv_iommuv2_domain_alloc(gpu); + version = ETNAVIV_IOMMU_V2; + } + + if (!mmu->domain) { + dev_err(gpu->dev, "Failed to allocate GPU IOMMU domain\n"); + kfree(mmu); + return ERR_PTR(-ENOMEM); + } + mmu->gpu = gpu; mmu->version = version; mutex_init(&mmu->lock); INIT_LIST_HEAD(&mmu->mappings); - drm_mm_init(&mmu->mm, domain->geometry.aperture_start, - domain->geometry.aperture_end - - domain->geometry.aperture_start + 1); + drm_mm_init(&mmu->mm, mmu->domain->geometry.aperture_start, + mmu->domain->geometry.aperture_end - + mmu->domain->geometry.aperture_start + 1); - iommu_set_fault_handler(domain, etnaviv_fault_handler, gpu->dev); + iommu_set_fault_handler(mmu->domain, etnaviv_fault_handler, gpu->dev); return mmu; } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h index dea1314fc44e..70ff1e46717d 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h @@ -65,8 +65,7 @@ void etnaviv_iommu_destroy(struct etnaviv_iommu *iommu); size_t etnaviv_iommu_dump_size(struct etnaviv_iommu *iommu); void etnaviv_iommu_dump(struct etnaviv_iommu *iommu, void *buf); -struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu, - struct iommu_domain *domain, enum etnaviv_iommu_version version); +struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu); void etnaviv_iommu_restore(struct etnaviv_gpu *gpu); #endif /* __ETNAVIV_MMU_H__ */