nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-23 01:50:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: Syncpoint invalid value to ~0.

Browse Source 
As qnx syncpoint's invalid value is ~0, change the code
to handle this.

Bug 200603716

Change-Id: I5ec79688cd9e60066725781f1effe57692ec0c27
Signed-off-by: Dinesh <dt@nvidia.com>
(cherry picked from commit 705260565a75bc90683841c4c08e4c857bda39f0)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2331208
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Dinesh
2020-04-06 16:23:24 +05:30
committed by Alex Waterman
parent c1521a7bba
commit 1c1da3d6b4
6 changed files with 19 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/nvgpu/common/sync/channel_user_syncpt.c
View File

@@ -88,7 +88,13 @@ nvgpu_channel_user_syncpt_create(struct nvgpu_channel *ch)
s->syncpt_id = nvgpu_nvhost_get_syncpt_client_managed(s->nvhost,
syncpt_name);
if (s->syncpt_id == 0U) {
/**
* This is a WAR to handle invalid value of a syncpt.
* Once nvhost update the return value as NVGPU_INVALID_SYNCPT_ID,
* we can remove the zero check.
*/
if ((s->syncpt_id == 0U) ||
(s->syncpt_id == NVGPU_INVALID_SYNCPT_ID)) {
nvgpu_err(g, "failed to get free syncpt");
goto err_free;
}