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drm/nouveau: separate constant-va tracking from nvkm vma structure

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2017-11-01 03:56:19 +10:00
parent 9ce523cc3b
commit 24e8375b1b
21 changed files with 245 additions and 151 deletions
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68
drivers/gpu/drm/nouveau/nouveau_gem.c
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@@ -31,6 +31,7 @@
#include "nouveau_ttm.h"
#include "nouveau_gem.h"
#include "nouveau_vmm.h"
void
nouveau_gem_object_del(struct drm_gem_object *gem)
@@ -64,8 +65,8 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct nvkm_vma *vma;
struct device *dev = drm->dev->dev;
struct nouveau_vma *vma;
int ret;
if (!cli->vm)
@@ -75,30 +76,13 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
if (ret)
return ret;
vma = nouveau_bo_vma_find(nvbo, cli->vm);
if (!vma) {
vma = kzalloc(sizeof(*vma), GFP_KERNEL);
if (!vma) {
ret = -ENOMEM;
goto out;
}
ret = pm_runtime_get_sync(dev);
if (ret < 0 && ret != -EACCES) {
kfree(vma);
goto out;
}
ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
if (ret)
kfree(vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
} else {
vma->refcount++;
}
ret = pm_runtime_get_sync(dev);
if (ret < 0 && ret != -EACCES)
goto out;
ret = nouveau_vma_new(nvbo, &cli->vmm, &vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
out:
ttm_bo_unreserve(&nvbo->bo);
return ret;
@@ -107,14 +91,12 @@ out:
static void
nouveau_gem_object_delete(void *data)
{
struct nvkm_vma *vma = data;
nvkm_vm_unmap(vma);
nvkm_vm_put(vma);
kfree(vma);
struct nouveau_vma *vma = data;
nouveau_vma_del(&vma);
}
static void
nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma)
nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
{
const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM;
struct reservation_object *resv = nvbo->bo.resv;
@@ -123,7 +105,7 @@ nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma)
fobj = reservation_object_get_list(resv);
list_del(&vma->head);
list_del_init(&vma->head);
if (fobj && fobj->shared_count > 1)
ttm_bo_wait(&nvbo->bo, false, false);
@@ -133,14 +115,10 @@ nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma)
else
fence = reservation_object_get_excl(nvbo->bo.resv);
if (fence && mapped) {
if (fence && mapped)
nouveau_fence_work(fence, nouveau_gem_object_delete, vma);
} else {
if (mapped)
nvkm_vm_unmap(vma);
nvkm_vm_put(vma);
kfree(vma);
}
else
nouveau_vma_del(&vma);
}
void
@@ -150,7 +128,7 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
struct nvkm_vma *vma;
struct nouveau_vma *vma;
int ret;
if (!cli->vm)
@@ -160,9 +138,9 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
if (ret)
return;
vma = nouveau_bo_vma_find(nvbo, cli->vm);
vma = nouveau_vma_find(nvbo, &cli->vmm);
if (vma) {
if (--vma->refcount == 0) {
if (--vma->refs == 0) {
ret = pm_runtime_get_sync(dev);
if (!WARN_ON(ret < 0 && ret != -EACCES)) {
nouveau_gem_object_unmap(nvbo, vma);
@@ -227,7 +205,7 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nvkm_vma *vma;
struct nouveau_vma *vma;
if (is_power_of_2(nvbo->valid_domains))
rep->domain = nvbo->valid_domains;
@@ -237,11 +215,11 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
rep->offset = nvbo->bo.offset;
if (cli->vm) {
vma = nouveau_bo_vma_find(nvbo, cli->vm);
vma = nouveau_vma_find(nvbo, &cli->vmm);
if (!vma)
return -EINVAL;
rep->offset = vma->offset;
rep->offset = vma->addr;
}
rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
@@ -798,7 +776,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
bo[push[i].bo_index].user_priv;
uint32_t cmd;
cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
cmd = chan->push.addr + ((chan->dma.cur + 2) << 2);
cmd |= 0x20000000;
if (unlikely(cmd != req->suffix0)) {
if (!nvbo->kmap.virtual) {
@@ -850,7 +828,7 @@ out_next:
req->suffix1 = 0x00000000;
} else {
req->suffix0 = 0x20000000 |
(chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
(chan->push.addr + ((chan->dma.cur + 2) << 2));
req->suffix1 = 0x00000000;
}