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drm/amdgpu: Add kfd init_complete flag to check from amdgpu side

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amdgpu driver may be in reset state during init which will not initialize the kfd,
driver need to initialize the KFD after reset by check the flag

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2021-02-16 10:57:17 -05:00 • committed by Alex Deucher
parent 03597b47d6
commit 8e2712e71b
3 changed files with 11 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View file

@ -165,7 +165,8 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
adev->doorbell_index.last_non_cp;
}
kgd2kfd_device_init(adev->kfd.dev, adev_to_drm(adev), &gpu_resources);
adev->kfd.init_complete = kgd2kfd_device_init(adev->kfd.dev,
adev_to_drm(adev), &gpu_resources);
}
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View file

@ -80,6 +80,7 @@ struct amdgpu_amdkfd_fence {
struct amdgpu_kfd_dev {
struct kfd_dev *dev;
uint64_t vram_used;
bool init_complete;
};
enum kgd_engine_type {

9
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -4835,9 +4835,16 @@ skip_hw_reset:
skip_sched_resume:
list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
/*unlock kfd: SRIOV would do it separately */
/* unlock kfd: SRIOV would do it separately */
if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev))
amdgpu_amdkfd_post_reset(tmp_adev);
/* kfd_post_reset will do nothing if kfd device is not initialized,
* need to bring up kfd here if it's not be initialized before
*/
if (!adev->kfd.init_complete)
amdgpu_amdkfd_device_init(adev);
if (audio_suspended)
amdgpu_device_resume_display_audio(tmp_adev);
amdgpu_device_unlock_adev(tmp_adev);