hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/amd/powerplay: fix a couple locking issues 

We should return unlock on the error path in pp_dpm_dispatch_tasks()
and there is a double lock bug in pp_dpm_set_sclk_od().

Fixes: 2a5071056e ("drm/amd/powerplay: add global PowerPlay mutex.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dan Carpenter 2017-04-03 21:42:42 +03:00 committed by Alex Deucher
parent 0f987cd0d7
commit 99147e6442
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View File

@ -493,8 +493,10 @@ static int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id,
{ {
enum amd_pm_state_type ps; enum amd_pm_state_type ps;
if (input == NULL) if (input == NULL) {
return -EINVAL; ret = -EINVAL;
break;
}
ps = *(unsigned long *)input; ps = *(unsigned long *)input;
data.requested_ui_label = power_state_convert(ps); data.requested_ui_label = power_state_convert(ps);