diff options
Diffstat (limited to 'omap/omap_drm.c')
-rw-r--r-- | omap/omap_drm.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/omap/omap_drm.c b/omap/omap_drm.c index 464dea9c..1d37e451 100644 --- a/omap/omap_drm.c +++ b/omap/omap_drm.c @@ -218,6 +218,38 @@ fail: return NULL; } +/* import a buffer from dmabuf fd, does not take ownership of the + * fd so caller should close() the fd when it is otherwise done + * with it (even if it is still using the 'struct omap_bo *') + */ +struct omap_bo * omap_bo_from_dmabuf(struct omap_device *dev, int fd) +{ + struct omap_bo *bo; + struct drm_prime_handle req = { + .fd = fd, + }; + int ret; + + bo = calloc(sizeof(*bo), 1); + if (!bo) { + goto fail; + } + + ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &req); + if (ret) { + goto fail; + } + + bo->dev = dev; + bo->handle = req.handle; + + return bo; + +fail: + free(bo); + return NULL; +} + /* destroy a buffer object */ void omap_bo_del(struct omap_bo *bo) { |