Name
drm_gem_prime_fd_to_handle —
PRIME import function for GEM drivers
Synopsis
int drm_gem_prime_fd_to_handle ( | struct drm_device * dev, |
| | struct drm_file * file_priv, |
| | int prime_fd, |
| | uint32_t * handle); |
Arguments
dev
dev to export the buffer from
file_priv
drm file-private structure
prime_fd
fd id of the dma-buf which should be imported
handle
pointer to storage for the handle of the imported buffer object
Description
This is the PRIME import function which must be used mandatorily by GEM
drivers to ensure correct lifetime management of the underlying GEM object.
The actual importing of GEM object from the dma-buf is done through the
gem_import_export driver callback.