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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2017-04-03 21:42:42 +0300 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2017-04-04 13:40:34 -0400 |
| commit | 99147e64428b9c3bfcd97e545ae478906c79e6a8 (patch) | |
| tree | 220397e7dad636370d028a0554453d4d66ef5f05 /drivers/gpu/drm/amd/powerplay | |
| parent | drm/amd/powerplay: fix pp_dpm_get_current_power_state() (v2) (diff) | |
| download | linux-dev-99147e64428b9c3bfcd97e545ae478906c79e6a8.tar.xz linux-dev-99147e64428b9c3bfcd97e545ae478906c79e6a8.zip | |
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: 2a5071056e6a ("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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 07dbeb225df7..9da5b0bb66d8 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -493,8 +493,10 @@ static int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, { enum amd_pm_state_type ps; - if (input == NULL) - return -EINVAL; + if (input == NULL) { + ret = -EINVAL; + break; + } ps = *(unsigned long *)input; data.requested_ui_label = power_state_convert(ps); |