Am 2021-11-22 um 11:16 a.m. schrieb Liu, Shaoyun:
> [AMD Official Use Only]
>
> Thanks for the review .
> The hash for the previous change from gerrirgit/amd-staging-drm-next branch
> is 7079e7d5c6bf248bff, so there is another drm-next branch that not in the
> gerritgit for upstream ?
Yes. amd-staging-drm-next is our AMD internal branch. Alex sends pull
requests to Dave Airlie's for his drm-next branch where they get
integrated with all the other DRM driver changes. That usually results
in different commit hashes.
Regards,
Felix
>
> Thanks
> Shaoyun.liu
>
>
> -----Original Message-----
> From: Kuehling, Felix <felix.kuehl...@amd.com>
> Sent: Monday, November 22, 2021 10:40 AM
> To: Liu, Shaoyun <shaoyun....@amd.com>; amd-gfx@lists.freedesktop.org
> Subject: Re: [PATCH] drm/amd/amdgpu: move kfd post_reset out of reset_sriov
> function
>
> Am 2021-11-18 um 11:57 a.m. schrieb shaoyunl:
>> For sriov XGMI configuration, the host driver will handle the hive
>> reset, so in guest side, the reset_sriov only be called once on one
>> device. This will make kfd post_reset unblanced with kfd pre_reset
>> since kfd pre_reset already been moved out of reset_sriov function.
>> Move kfd post_reset out of reset_sriov function to make them balance .
>>
>> Signed-off-by: shaoyunl <shaoyun....@amd.com>
> Please change the headline prefix to "drm/amdgpu: ". The extra "/amd" is
> redundant. And I'd also add a tag
>
> Fixes: 9f4f2c1a3524 ("drm/amd/amdgpu: fix the kfd pre_reset sequence in
> sriov")
>
> Note that the commit hash is the one from the drm-next branch, which is what
> will get merged into master eventually. With those changes, the patch is
>
> Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
>
>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++----
>> 1 file changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index 10c8008d1da0..9a9d5493c676 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -4308,7 +4308,6 @@ static int amdgpu_device_reset_sriov(struct
>> amdgpu_device *adev,
>>
>> amdgpu_irq_gpu_reset_resume_helper(adev);
>> r = amdgpu_ib_ring_tests(adev);
>> - amdgpu_amdkfd_post_reset(adev);
>>
>> error:
>> if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST)
>> { @@ -5081,7 +5080,7 @@ int amdgpu_device_gpu_recover(struct
>> amdgpu_device *adev,
>>
>> tmp_vram_lost_counter = atomic_read(&((adev)->vram_lost_counter));
>> /* Actual ASIC resets if needed.*/
>> - /* TODO Implement XGMI hive reset logic for SRIOV */
>> + /* Host driver will handle XGMI hive reset for SRIOV */
>> if (amdgpu_sriov_vf(adev)) {
>> r = amdgpu_device_reset_sriov(adev, job ? false : true);
>> if (r)
>> @@ -5141,8 +5140,8 @@ int amdgpu_device_gpu_recover(struct
>> amdgpu_device *adev,
>>
>> skip_sched_resume:
>> list_for_each_entry(tmp_adev, device_list_handle, reset_list) {
>> - /* unlock kfd: SRIOV would do it separately */
>> - if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev))
>> + /* unlock kfd */
>> + if (!need_emergency_restart)
>> amdgpu_amdkfd_post_reset(tmp_adev);
>>
>> /* kfd_post_reset will do nothing if kfd device is not
>> initialized,
