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path: root/drivers/gpu/drm/vc4/vc4_bo.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_bo.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_bo.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
index 3ca16d682fc0..b8d856312846 100644
--- a/drivers/gpu/drm/vc4/vc4_bo.c
+++ b/drivers/gpu/drm/vc4/vc4_bo.c
@@ -248,6 +248,9 @@ void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo)
{
struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return;
+
mutex_lock(&vc4->purgeable.lock);
list_add_tail(&bo->size_head, &vc4->purgeable.list);
vc4->purgeable.num++;
@@ -259,6 +262,9 @@ static void vc4_bo_remove_from_purgeable_pool_locked(struct vc4_bo *bo)
{
struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return;
+
/* list_del_init() is used here because the caller might release
* the purgeable lock in order to acquire the madv one and update the
* madv status.
@@ -387,6 +393,9 @@ struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size)
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_bo *bo;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return ERR_PTR(-ENODEV);
+
bo = kzalloc(sizeof(*bo), GFP_KERNEL);
if (!bo)
return ERR_PTR(-ENOMEM);
@@ -413,6 +422,9 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size,
struct drm_gem_cma_object *cma_obj;
struct vc4_bo *bo;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return ERR_PTR(-ENODEV);
+
if (size == 0)
return ERR_PTR(-EINVAL);
@@ -475,9 +487,13 @@ int vc4_bo_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_bo *bo = NULL;
int ret;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
ret = vc4_dumb_fixup_args(args);
if (ret)
return ret;
@@ -598,8 +614,12 @@ static void vc4_bo_cache_time_work(struct work_struct *work)
int vc4_bo_inc_usecnt(struct vc4_bo *bo)
{
+ struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
int ret;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
/* Fast path: if the BO is already retained by someone, no need to
* check the madv status.
*/
@@ -634,6 +654,11 @@ int vc4_bo_inc_usecnt(struct vc4_bo *bo)
void vc4_bo_dec_usecnt(struct vc4_bo *bo)
{
+ struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
+
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return;
+
/* Fast path: if the BO is still retained by someone, no need to test
* the madv value.
*/
@@ -753,6 +778,9 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
struct vc4_bo *bo = NULL;
int ret;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
ret = vc4_grab_bin_bo(vc4, vc4file);
if (ret)
return ret;
@@ -776,9 +804,13 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_mmap_bo *args = data;
struct drm_gem_object *gem_obj;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
gem_obj = drm_gem_object_lookup(file_priv, args->handle);
if (!gem_obj) {
DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);
@@ -802,6 +834,9 @@ vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data,
struct vc4_bo *bo = NULL;
int ret;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
if (args->size == 0)
return -EINVAL;
@@ -872,11 +907,15 @@ fail:
int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_set_tiling *args = data;
struct drm_gem_object *gem_obj;
struct vc4_bo *bo;
bool t_format;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
if (args->flags != 0)
return -EINVAL;
@@ -915,10 +954,14 @@ int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
int vc4_get_tiling_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_get_tiling *args = data;
struct drm_gem_object *gem_obj;
struct vc4_bo *bo;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
if (args->flags != 0 || args->modifier != 0)
return -EINVAL;
@@ -945,6 +988,9 @@ int vc4_bo_cache_init(struct drm_device *dev)
struct vc4_dev *vc4 = to_vc4_dev(dev);
int i;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
/* Create the initial set of BO labels that the kernel will
* use. This lets us avoid a bunch of string reallocation in
* the kernel's draw and BO allocation paths.
@@ -1004,6 +1050,9 @@ int vc4_label_bo_ioctl(struct drm_device *dev, void *data,
struct drm_gem_object *gem_obj;
int ret = 0, label;
+ if (WARN_ON_ONCE(vc4->is_vc5))
+ return -ENODEV;
+
if (!args->len)
return -EINVAL;