diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2019-07-08 13:33:22 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-09 17:43:39 -0500 |
| commit | 32eaeae0ef193b64a67177006bdf5d9130d83fd3 (patch) | |
| tree | 019d9b1ca2306cabe125a216916eb9b106e09524 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | drm/amdgpu/navi10: add uclk activity sensor (diff) | |
| download | linux-dev-32eaeae0ef193b64a67177006bdf5d9130d83fd3.tar.xz linux-dev-32eaeae0ef193b64a67177006bdf5d9130d83fd3.zip | |
drm/amdgpu/psp: add a mutex to protect access to the psp ring
We need to serialize access to the psp ring if there are multiple
callers at runtime.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 7401bc95c15b..5a7f893cf724 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2537,6 +2537,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, hash_init(adev->mn_hash); mutex_init(&adev->lock_reset); mutex_init(&adev->virt.dpm_mutex); + mutex_init(&adev->psp.mutex); r = amdgpu_device_check_arguments(adev); if (r) |