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path: root/drivers/gpu/drm/nouveau/nouveau_gem.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_gem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c148
1 files changed, 108 insertions, 40 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index b52e4601824..5f0bc57fdaa 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -60,9 +60,71 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
}
int
-nouveau_gem_new(struct drm_device *dev, struct nouveau_channel *chan,
- int size, int align, uint32_t domain, uint32_t tile_mode,
- uint32_t tile_flags, struct nouveau_bo **pnvbo)
+nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
+{
+ struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
+ struct nouveau_bo *nvbo = nouveau_gem_object(gem);
+ struct nouveau_vma *vma;
+ int ret;
+
+ if (!fpriv->vm)
+ return 0;
+
+ ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
+ if (ret)
+ return ret;
+
+ vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
+ if (!vma) {
+ vma = kzalloc(sizeof(*vma), GFP_KERNEL);
+ if (!vma) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = nouveau_bo_vma_add(nvbo, fpriv->vm, vma);
+ if (ret) {
+ kfree(vma);
+ goto out;
+ }
+ } else {
+ vma->refcount++;
+ }
+
+out:
+ ttm_bo_unreserve(&nvbo->bo);
+ return ret;
+}
+
+void
+nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
+{
+ struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
+ struct nouveau_bo *nvbo = nouveau_gem_object(gem);
+ struct nouveau_vma *vma;
+ int ret;
+
+ if (!fpriv->vm)
+ return;
+
+ ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
+ if (ret)
+ return;
+
+ vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
+ if (vma) {
+ if (--vma->refcount == 0) {
+ nouveau_bo_vma_del(nvbo, vma);
+ kfree(vma);
+ }
+ }
+ ttm_bo_unreserve(&nvbo->bo);
+}
+
+int
+nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
+ uint32_t tile_mode, uint32_t tile_flags,
+ struct nouveau_bo **pnvbo)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_bo *nvbo;
@@ -76,7 +138,7 @@ nouveau_gem_new(struct drm_device *dev, struct nouveau_channel *chan,
if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
flags |= TTM_PL_FLAG_SYSTEM;
- ret = nouveau_bo_new(dev, chan, size, align, flags, tile_mode,
+ ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
tile_flags, pnvbo);
if (ret)
return ret;
@@ -103,17 +165,28 @@ nouveau_gem_new(struct drm_device *dev, struct nouveau_channel *chan,
}
static int
-nouveau_gem_info(struct drm_gem_object *gem, struct drm_nouveau_gem_info *rep)
+nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
+ struct drm_nouveau_gem_info *rep)
{
+ struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
+ struct nouveau_vma *vma;
if (nvbo->bo.mem.mem_type == TTM_PL_TT)
rep->domain = NOUVEAU_GEM_DOMAIN_GART;
else
rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
- rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
rep->offset = nvbo->bo.offset;
+ if (fpriv->vm) {
+ vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
+ if (!vma)
+ return -EINVAL;
+
+ rep->offset = vma->offset;
+ }
+
+ rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
rep->map_handle = nvbo->bo.addr_space_offset;
rep->tile_mode = nvbo->tile_mode;
rep->tile_flags = nvbo->tile_flags;
@@ -127,7 +200,6 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct drm_nouveau_gem_new *req = data;
struct nouveau_bo *nvbo = NULL;
- struct nouveau_channel *chan = NULL;
int ret = 0;
if (unlikely(dev_priv->ttm.bdev.dev_mapping == NULL))
@@ -138,28 +210,21 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
return -EINVAL;
}
- if (req->channel_hint) {
- chan = nouveau_channel_get(dev, file_priv, req->channel_hint);
- if (IS_ERR(chan))
- return PTR_ERR(chan);
- }
-
- ret = nouveau_gem_new(dev, chan, req->info.size, req->align,
+ ret = nouveau_gem_new(dev, req->info.size, req->align,
req->info.domain, req->info.tile_mode,
req->info.tile_flags, &nvbo);
- if (chan)
- nouveau_channel_put(&chan);
if (ret)
return ret;
- ret = nouveau_gem_info(nvbo->gem, &req->info);
- if (ret)
- goto out;
-
ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
+ if (ret == 0) {
+ ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info);
+ if (ret)
+ drm_gem_handle_delete(file_priv, req->info.handle);
+ }
+
/* drop reference from allocate - handle holds it now */
drm_gem_object_unreference_unlocked(nvbo->gem);
-out:
return ret;
}
@@ -318,6 +383,7 @@ static int
validate_list(struct nouveau_channel *chan, struct list_head *list,
struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
{
+ struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
(void __force __user *)(uintptr_t)user_pbbo_ptr;
struct drm_device *dev = chan->dev;
@@ -356,24 +422,26 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
return ret;
}
- if (nvbo->bo.offset == b->presumed.offset &&
- ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
- b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
- (nvbo->bo.mem.mem_type == TTM_PL_TT &&
- b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
- continue;
+ if (dev_priv->card_type < NV_50) {
+ if (nvbo->bo.offset == b->presumed.offset &&
+ ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
+ b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
+ (nvbo->bo.mem.mem_type == TTM_PL_TT &&
+ b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
+ continue;
- if (nvbo->bo.mem.mem_type == TTM_PL_TT)
- b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
- else
- b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
- b->presumed.offset = nvbo->bo.offset;
- b->presumed.valid = 0;
- relocs++;
-
- if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
- &b->presumed, sizeof(b->presumed)))
- return -EFAULT;
+ if (nvbo->bo.mem.mem_type == TTM_PL_TT)
+ b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
+ else
+ b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
+ b->presumed.offset = nvbo->bo.offset;
+ b->presumed.valid = 0;
+ relocs++;
+
+ if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
+ &b->presumed, sizeof(b->presumed)))
+ return -EFAULT;
+ }
}
return relocs;
@@ -548,7 +616,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
struct nouveau_fence *fence = NULL;
int i, j, ret = 0, do_reloc = 0;
- chan = nouveau_channel_get(dev, file_priv, req->channel);
+ chan = nouveau_channel_get(file_priv, req->channel);
if (IS_ERR(chan))
return PTR_ERR(chan);
@@ -782,7 +850,7 @@ nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
if (!gem)
return -ENOENT;
- ret = nouveau_gem_info(gem, req);
+ ret = nouveau_gem_info(file_priv, gem, req);
drm_gem_object_unreference_unlocked(gem);
return ret;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-28 10:30:20 +0000