On 1/24/2024 2:28 PM, Le Ma wrote:
> This patch is to eliminate interrupt warning below:
>
> "[drm] Fence fallback timer expired on ring sdma0.0".
>
> An early vm pt clearing job is sent to SDMA ahead of interrupt enabled,
> introduced by patch below:
>
> - drm/amdkfd: Export DMABufs from KFD using GEM handles
I think the fix needs to be in the above patch. In this flow, the client
is initialized even before the drm device is registered.
Thanks,
Lijo
> Signed-off-by: Le Ma <le.ma@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 56d9dfa61290..c8aa07282366 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2833,12 +2833,6 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
> if (r)
> goto init_failed;
>
> - /* Don't init kfd if whole hive need to be reset during init */
> - if (!adev->gmc.xgmi.pending_reset) {
> - kgd2kfd_init_zone_device(adev);
> - amdgpu_amdkfd_device_init(adev);
> - }
> -
> amdgpu_fru_get_product_info(adev);
>
> init_failed:
> @@ -4204,6 +4198,12 @@ int amdgpu_device_init(struct amdgpu_device *adev,
>
> amdgpu_fence_driver_hw_init(adev);
>
> + /* Don't init kfd if whole hive need to be reset during init */
> + if (!adev->gmc.xgmi.pending_reset) {
> + kgd2kfd_init_zone_device(adev);
> + amdgpu_amdkfd_device_init(adev);
> + }
> +
> dev_info(adev->dev,
> "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n",
> adev->gfx.config.max_shader_engines,
