req->value = 1;
return 0;
case DRM_CAP_PRIME:
- req->value |= dev->driver->prime_fd_to_handle ? DRM_PRIME_CAP_IMPORT : 0;
- req->value |= dev->driver->prime_handle_to_fd ? DRM_PRIME_CAP_EXPORT : 0;
+ req->value = DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT;
return 0;
case DRM_CAP_SYNCOBJ:
req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ);
{
struct drm_prime_handle *args = data;
- if (!dev->driver->prime_fd_to_handle)
- return -ENOSYS;
+ if (dev->driver->prime_fd_to_handle) {
+ return dev->driver->prime_fd_to_handle(dev, file_priv, args->fd,
+ &args->handle);
+ }
- return dev->driver->prime_fd_to_handle(dev, file_priv,
- args->fd, &args->handle);
+ return drm_gem_prime_fd_to_handle(dev, file_priv, args->fd, &args->handle);
}
static struct dma_buf *export_and_register_object(struct drm_device *dev,
{
struct drm_prime_handle *args = data;
- if (!dev->driver->prime_handle_to_fd)
- return -ENOSYS;
-
/* check flags are valid */
if (args->flags & ~(DRM_CLOEXEC | DRM_RDWR))
return -EINVAL;
- return dev->driver->prime_handle_to_fd(dev, file_priv,
- args->handle, args->flags, &args->fd);
+ if (dev->driver->prime_handle_to_fd) {
+ return dev->driver->prime_handle_to_fd(dev, file_priv,
+ args->handle, args->flags,
+ &args->fd);
+ }
+ return drm_gem_prime_handle_to_fd(dev, file_priv, args->handle,
+ args->flags, &args->fd);
}
/**
/**
* @prime_handle_to_fd:
*
- * Main PRIME export function. Should be implemented with
- * drm_gem_prime_handle_to_fd() for GEM based drivers.
- *
- * For an in-depth discussion see :ref:`PRIME buffer sharing
- * documentation <prime_buffer_sharing>`.
+ * PRIME export function. Only used by vmwgfx.
*/
int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv,
uint32_t handle, uint32_t flags, int *prime_fd);
/**
* @prime_fd_to_handle:
*
- * Main PRIME import function. Should be implemented with
- * drm_gem_prime_fd_to_handle() for GEM based drivers.
- *
- * For an in-depth discussion see :ref:`PRIME buffer sharing
- * documentation <prime_buffer_sharing>`.
+ * PRIME import function. Only used by vmwgfx.
*/
int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv,
int prime_fd, uint32_t *handle);