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path: root/drivers/gpu/drm/etnaviv/etnaviv_gem.c
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Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gem.c78
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;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-05 12:03:53 +0300