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anv: properly handle fence import of sync_fd = -1

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 43e8808b82 ("anv: Add support for the SYNC_FD handle type for fences")
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5964>
This commit is contained in:
Lionel Landwerlin
2020-07-18 22:51:44 +03:00
committed by Marge Bot
parent 323d5bbfd9
commit 3a4024e776
1 changed files with 15 additions and 3 deletions
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18
src/intel/vulkan/anv_queue.c
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@@ -1633,23 +1633,35 @@ VkResult anv_ImportFenceFdKHR(
break;
case VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT:
case VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT: {
/* Sync files are a bit tricky. Because we want to continue using the
* syncobj implementation of WaitForFences, we don't use the sync file
* directly but instead import it into a syncobj.
*/
new_impl.type = ANV_FENCE_TYPE_SYNCOBJ;
new_impl.syncobj = anv_gem_syncobj_create(device, 0);
/* "If handleType is VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT, the
* special value -1 for fd is treated like a valid sync file descriptor
* referring to an object that has already signaled. The import
* operation will succeed and the VkFence will have a temporarily
* imported payload as if a valid file descriptor had been provided."
*/
uint32_t create_flags = 0;
if (fd == -1)
create_flags |= DRM_SYNCOBJ_CREATE_SIGNALED;
new_impl.syncobj = anv_gem_syncobj_create(device, create_flags);
if (!new_impl.syncobj)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
if (anv_gem_syncobj_import_sync_file(device, new_impl.syncobj, fd)) {
if (fd != -1 &&
anv_gem_syncobj_import_sync_file(device, new_impl.syncobj, fd)) {
anv_gem_syncobj_destroy(device, new_impl.syncobj);
return vk_errorf(device, NULL, VK_ERROR_INVALID_EXTERNAL_HANDLE,
"syncobj sync file import failed: %m");
}
break;
}
default:
return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE);