diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem.c | 78 |
1 files changed, 35 insertions, 43 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index e8778ebb72e6..cb1faaac380a 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -3,10 +3,11 @@ * Copyright (C) 2015-2018 Etnaviv Project */ -#include <linux/spinlock.h> +#include <drm/drm_prime.h> +#include <linux/dma-mapping.h> #include <linux/shmem_fs.h> -#include <linux/sched/mm.h> -#include <linux/sched/task.h> +#include <linux/spinlock.h> +#include <linux/vmalloc.h> #include "etnaviv_drv.h" #include "etnaviv_gem.h" @@ -222,30 +223,18 @@ int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset) static struct etnaviv_vram_mapping * etnaviv_gem_get_vram_mapping(struct etnaviv_gem_object *obj, - struct etnaviv_iommu *mmu) + struct etnaviv_iommu_context *context) { struct etnaviv_vram_mapping *mapping; list_for_each_entry(mapping, &obj->vram_list, obj_node) { - if (mapping->mmu == mmu) + if (mapping->context == context) return mapping; } return NULL; } -void etnaviv_gem_mapping_reference(struct etnaviv_vram_mapping *mapping) -{ - struct etnaviv_gem_object *etnaviv_obj = mapping->object; - - drm_gem_object_get(&etnaviv_obj->base); - - mutex_lock(&etnaviv_obj->lock); - WARN_ON(mapping->use == 0); - mapping->use += 1; - mutex_unlock(&etnaviv_obj->lock); -} - void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping) { struct etnaviv_gem_object *etnaviv_obj = mapping->object; @@ -259,7 +248,8 @@ void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping) } struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( - struct drm_gem_object *obj, struct etnaviv_gpu *gpu) + struct drm_gem_object *obj, struct etnaviv_iommu_context *mmu_context, + u64 va) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct etnaviv_vram_mapping *mapping; @@ -267,7 +257,7 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( int ret = 0; mutex_lock(&etnaviv_obj->lock); - mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, gpu->mmu); + mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, mmu_context); if (mapping) { /* * Holding the object lock prevents the use count changing @@ -276,12 +266,12 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( * the MMU owns this mapping to close this race. */ if (mapping->use == 0) { - mutex_lock(&gpu->mmu->lock); - if (mapping->mmu == gpu->mmu) + mutex_lock(&mmu_context->lock); + if (mapping->context == mmu_context) mapping->use += 1; else mapping = NULL; - mutex_unlock(&gpu->mmu->lock); + mutex_unlock(&mmu_context->lock); if (mapping) goto out; } else { @@ -314,15 +304,19 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( list_del(&mapping->obj_node); } - mapping->mmu = gpu->mmu; + etnaviv_iommu_context_get(mmu_context); + mapping->context = mmu_context; mapping->use = 1; - ret = etnaviv_iommu_map_gem(gpu->mmu, etnaviv_obj, gpu->memory_base, - mapping); - if (ret < 0) + ret = etnaviv_iommu_map_gem(mmu_context, etnaviv_obj, + mmu_context->global->memory_base, + mapping, va); + if (ret < 0) { + etnaviv_iommu_context_put(mmu_context); kfree(mapping); - else + } else { list_add_tail(&mapping->obj_node, &etnaviv_obj->vram_list); + } out: mutex_unlock(&etnaviv_obj->lock); @@ -397,13 +391,13 @@ int etnaviv_gem_cpu_prep(struct drm_gem_object *obj, u32 op, } if (op & ETNA_PREP_NOSYNC) { - if (!reservation_object_test_signaled_rcu(obj->resv, + if (!dma_resv_test_signaled_rcu(obj->resv, write)) return -EBUSY; } else { unsigned long remain = etnaviv_timeout_to_jiffies(timeout); - ret = reservation_object_wait_timeout_rcu(obj->resv, + ret = dma_resv_wait_timeout_rcu(obj->resv, write, true, remain); if (ret <= 0) return ret == 0 ? -ETIMEDOUT : ret; @@ -459,8 +453,8 @@ static void etnaviv_gem_describe_fence(struct dma_fence *fence, static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); - struct reservation_object *robj = obj->resv; - struct reservation_object_list *fobj; + struct dma_resv *robj = obj->resv; + struct dma_resv_list *fobj; struct dma_fence *fence; unsigned long off = drm_vma_node_start(&obj->vma_node); @@ -536,12 +530,14 @@ void etnaviv_gem_free_object(struct drm_gem_object *obj) list_for_each_entry_safe(mapping, tmp, &etnaviv_obj->vram_list, obj_node) { - struct etnaviv_iommu *mmu = mapping->mmu; + struct etnaviv_iommu_context *context = mapping->context; WARN_ON(mapping->use); - if (mmu) - etnaviv_iommu_unmap_gem(mmu, mapping); + if (context) { + etnaviv_iommu_unmap_gem(context, mapping); + etnaviv_iommu_context_put(context); + } list_del(&mapping->obj_node); kfree(mapping); @@ -565,8 +561,7 @@ void etnaviv_gem_obj_add(struct drm_device *dev, struct drm_gem_object *obj) } static int etnaviv_gem_new_impl(struct drm_device *dev, u32 size, u32 flags, - struct reservation_object *robj, const struct etnaviv_gem_ops *ops, - struct drm_gem_object **obj) + const struct etnaviv_gem_ops *ops, struct drm_gem_object **obj) { struct etnaviv_gem_object *etnaviv_obj; unsigned sz = sizeof(*etnaviv_obj); @@ -594,8 +589,6 @@ static int etnaviv_gem_new_impl(struct drm_device *dev, u32 size, u32 flags, etnaviv_obj->flags = flags; etnaviv_obj->ops = ops; - if (robj) - etnaviv_obj->base.resv = robj; mutex_init(&etnaviv_obj->lock); INIT_LIST_HEAD(&etnaviv_obj->vram_list); @@ -614,7 +607,7 @@ int etnaviv_gem_new_handle(struct drm_device *dev, struct drm_file *file, size = PAGE_ALIGN(size); - ret = etnaviv_gem_new_impl(dev, size, flags, NULL, + ret = etnaviv_gem_new_impl(dev, size, flags, &etnaviv_gem_shmem_ops, &obj); if (ret) goto fail; @@ -646,13 +639,12 @@ fail: } int etnaviv_gem_new_private(struct drm_device *dev, size_t size, u32 flags, - struct reservation_object *robj, const struct etnaviv_gem_ops *ops, - struct etnaviv_gem_object **res) + const struct etnaviv_gem_ops *ops, struct etnaviv_gem_object **res) { struct drm_gem_object *obj; int ret; - ret = etnaviv_gem_new_impl(dev, size, flags, robj, ops, &obj); + ret = etnaviv_gem_new_impl(dev, size, flags, ops, &obj); if (ret) return ret; @@ -734,7 +726,7 @@ int etnaviv_gem_new_userptr(struct drm_device *dev, struct drm_file *file, struct etnaviv_gem_object *etnaviv_obj; int ret; - ret = etnaviv_gem_new_private(dev, size, ETNA_BO_CACHED, NULL, + ret = etnaviv_gem_new_private(dev, size, ETNA_BO_CACHED, &etnaviv_gem_userptr_ops, &etnaviv_obj); if (ret) return ret; |