mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-27 12:57:53 +00:00
Code Issues Releases Wiki Activity

drm/amdgpu: Call KFD reset handlers during GPU reset

Browse source 
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Shaoyun Liu 2018-07-11 22:32:55 -04:00 committed by Oded Gabbay
parent e3b7a96774
commit 5c6dd71e59
3 changed files with 29 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View file

@ -243,6 +243,26 @@ int amdgpu_amdkfd_resume(struct amdgpu_device *adev)
return r;
}
int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev)
{
int r = 0;
if (adev->kfd)
r = kgd2kfd->pre_reset(adev->kfd);
return r;
}
int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev)
{
int r = 0;
if (adev->kfd)
r = kgd2kfd->post_reset(adev->kfd);
return r;
}
int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
void **cpu_ptr)

4
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View file

@ -126,6 +126,10 @@ struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void);
bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid);
int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev);
int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev);
/* Shared API */
int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,

5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -3307,6 +3307,9 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
atomic_inc(&adev->gpu_reset_counter);
adev->in_gpu_reset = 1;
/* Block kfd */
amdgpu_amdkfd_pre_reset(adev);
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
@ -3363,6 +3366,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
dev_info(adev->dev, "GPU reset(%d) succeeded!\n",atomic_read(&adev->gpu_reset_counter));
}
/*unlock kfd */
amdgpu_amdkfd_post_reset(adev);
amdgpu_vf_error_trans_all(adev);
adev->in_gpu_reset = 0;
mutex_unlock(&adev->lock_reset);