diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 2f1bc02309fe..ad97f03f1358 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4067,6 +4067,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, mutex_init(&adev->gfx.reset_sem_mutex); /* Initialize the mutex for cleaner shader isolation between GFX and compute processes */ mutex_init(&adev->enforce_isolation_mutex); + mutex_init(&adev->gfx.kfd_sch_mutex); amdgpu_device_init_apu_flags(adev); @@ -4098,6 +4099,21 @@ int amdgpu_device_init(struct amdgpu_device *adev, amdgpu_device_delayed_init_work_handler); INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, amdgpu_device_delay_enable_gfx_off); + /* + * Initialize the enforce_isolation work structures for each XCP + * partition. This work handler is responsible for enforcing shader + * isolation on AMD GPUs. It counts the number of emitted fences for + * each GFX and compute ring. If there are any fences, it schedules + * the `enforce_isolation_work` to be run after a delay. If there are + * no fences, it signals the Kernel Fusion Driver (KFD) to resume the + * runqueue. + */ + for (i = 0; i < MAX_XCP; i++) { + INIT_DELAYED_WORK(&adev->gfx.enforce_isolation[i].work, + amdgpu_gfx_enforce_isolation_handler); + adev->gfx.enforce_isolation[i].adev = adev; + adev->gfx.enforce_isolation[i].xcp_id = i; + } INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |