aboutsummaryrefslogtreecommitdiffstats
path: root/amdgpu
diff options
context:
space:
mode:
authorDave Airlie2017-07-16 14:18:40 -0500
committerDave Airlie2017-07-18 18:32:53 -0500
commit69532d0188ffa12454bc26bb1c30c52555a984e0 (patch)
tree7d682520e9c54bed62cff7dbcf3e7c960f5f1eee /amdgpu
parentac214017904b31bc5f80f802d748d5f4f3149d22 (diff)
downloadexternal-libdrm-69532d0188ffa12454bc26bb1c30c52555a984e0.tar.gz
external-libdrm-69532d0188ffa12454bc26bb1c30c52555a984e0.tar.xz
external-libdrm-69532d0188ffa12454bc26bb1c30c52555a984e0.zip
drm/amdgpu: add syncobj create/destroy/import/export apis
These are just wrappers using the amdgpu device handle. Acked-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'amdgpu')
-rw-r--r--amdgpu/amdgpu.h55
-rw-r--r--amdgpu/amdgpu_cs.c38
2 files changed, 92 insertions, 1 deletions
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 1901fa8c..183f974c 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1328,8 +1328,61 @@ int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem);
1328*/ 1328*/
1329const char *amdgpu_get_marketing_name(amdgpu_device_handle dev); 1329const char *amdgpu_get_marketing_name(amdgpu_device_handle dev);
1330 1330
1331/**
1332 * Create kernel sync object
1333 *
1334 * \param dev - \c [in] device handle
1335 * \param syncobj - \c [out] sync object handle
1336 *
1337 * \return 0 on success\n
1338 * <0 - Negative POSIX Error code
1339 *
1340*/
1341int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
1342 uint32_t *syncobj);
1343/**
1344 * Destroy kernel sync object
1345 *
1346 * \param dev - \c [in] device handle
1347 * \param syncobj - \c [in] sync object handle
1348 *
1349 * \return 0 on success\n
1350 * <0 - Negative POSIX Error code
1351 *
1352*/
1353int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
1354 uint32_t syncobj);
1355
1356/**
1357 * Export kernel sync object to shareable fd.
1358 *
1359 * \param dev - \c [in] device handle
1360 * \param syncobj - \c [in] sync object handle
1361 * \param shared_fd - \c [out] shared file descriptor.
1362 *
1363 * \return 0 on success\n
1364 * <0 - Negative POSIX Error code
1365 *
1366*/
1367int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
1368 uint32_t syncobj,
1369 int *shared_fd);
1370/**
1371 * Import kernel sync object from shareable fd.
1372 *
1373 * \param dev - \c [in] device handle
1374 * \param shared_fd - \c [in] shared file descriptor.
1375 * \param syncobj - \c [out] sync object handle
1376 *
1377 * \return 0 on success\n
1378 * <0 - Negative POSIX Error code
1379 *
1380*/
1381int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
1382 int shared_fd,
1383 uint32_t *syncobj);
1384
1331#ifdef __cplusplus 1385#ifdef __cplusplus
1332} 1386}
1333#endif 1387#endif
1334
1335#endif /* #ifdef _AMDGPU_H_ */ 1388#endif /* #ifdef _AMDGPU_H_ */
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 868eb7b0..722fd75b 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -596,3 +596,41 @@ int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem)
596{ 596{
597 return amdgpu_cs_unreference_sem(sem); 597 return amdgpu_cs_unreference_sem(sem);
598} 598}
599
600int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
601 uint32_t *handle)
602{
603 if (NULL == dev)
604 return -EINVAL;
605
606 return drmSyncobjCreate(dev->fd, 0, handle);
607}
608
609int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
610 uint32_t handle)
611{
612 if (NULL == dev)
613 return -EINVAL;
614
615 return drmSyncobjDestroy(dev->fd, handle);
616}
617
618int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
619 uint32_t handle,
620 int *shared_fd)
621{
622 if (NULL == dev)
623 return -EINVAL;
624
625 return drmSyncobjHandleToFD(dev->fd, handle, shared_fd);
626}
627
628int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
629 int shared_fd,
630 uint32_t *handle)
631{
632 if (NULL == dev)
633 return -EINVAL;
634
635 return drmSyncobjFDToHandle(dev->fd, shared_fd, handle);
636}