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authorDaniel Kurtz2014-04-16 22:54:40 -0500
committerRob Clark2014-05-12 22:09:20 -0500
commita13bdd5c7197c4c008c0f3976742231cf61d8ce9 (patch)
tree82ed402876790f6ce466e381b761fa114c9becb6 /exynos/exynos_drm.c
parentd1000c432c8ce76ea64f7f9eb6094d11542e0495 (diff)
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exynos: prime: use drmPrime*() helpers
Reuse the common drmPrime() helper functions rather than reinventing them. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'exynos/exynos_drm.c')
-rw-r--r--exynos/exynos_drm.c48
1 files changed, 10 insertions, 38 deletions
diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c
index b7acdf5e..5fff2597 100644
--- a/exynos/exynos_drm.c
+++ b/exynos/exynos_drm.c
@@ -303,59 +303,31 @@ void *exynos_bo_map(struct exynos_bo *bo)
303/* 303/*
304 * Export gem object to dmabuf as file descriptor. 304 * Export gem object to dmabuf as file descriptor.
305 * 305 *
306 * @dev: a exynos device object. 306 * @dev: exynos device object
307 * @handle: gem handle to be exported into dmabuf as file descriptor. 307 * @handle: gem handle to export as file descriptor of dmabuf
308 * @fd: file descriptor to dmabuf exported from gem handle and 308 * @fd: file descriptor returned from kernel
309 * returned by kernel side.
310 * 309 *
311 * if true, return 0 else negative. 310 * @return: 0 on success, -1 on error, and errno will be set
312 */ 311 */
313int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle, 312int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
314 int *fd) 313 int *fd)
315{ 314{
316 int ret; 315 return drmPrimeHandleToFD(dev->fd, handle, 0, fd);
317 struct drm_prime_handle req = {
318 .handle = handle,
319 };
320
321 ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &req);
322 if (ret) {
323 fprintf(stderr, "failed to mmap[%s].\n",
324 strerror(errno));
325 return ret;
326 }
327
328 *fd = req.fd;
329 return 0;
330} 316}
331 317
332/* 318/*
333 * Import file descriptor into gem handle. 319 * Import file descriptor into gem handle.
334 * 320 *
335 * @dev: a exynos device object. 321 * @dev: exynos device object
336 * @fd: file descriptor exported into dmabuf. 322 * @fd: file descriptor of dmabuf to import
337 * @handle: gem handle to gem object imported from file descriptor 323 * @handle: gem handle returned from kernel
338 * and returned by kernel side.
339 * 324 *
340 * if true, return 0 else negative. 325 * @return: 0 on success, -1 on error, and errno will be set
341 */ 326 */
342int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd, 327int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
343 uint32_t *handle) 328 uint32_t *handle)
344{ 329{
345 int ret; 330 return drmPrimeFDToHandle(dev->fd, fd, handle);
346 struct drm_prime_handle req = {
347 .fd = fd,
348 };
349
350 ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &req);
351 if (ret) {
352 fprintf(stderr, "failed to mmap[%s].\n",
353 strerror(errno));
354 return ret;
355 }
356
357 *handle = req.handle;
358 return 0;
359} 331}
360 332
361 333