RE: [RESEND PATCH 5/5] drm/amdgpu: Switch from system_highpri_wq to system_unbound_wq

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Reviewed-by: Le Ma <Le.Ma@xxxxxxx>

Regards,
Ma Le

-----Original Message-----
From: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx> 
Sent: Thursday, December 12, 2019 4:39 AM
To: dri-devel@xxxxxxxxxxxxxxxxxxxxx; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Ma, Le <Le.Ma@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Quan, Evan <Evan.Quan@xxxxxxx>; Grodzovsky, Andrey <Andrey.Grodzovsky@xxxxxxx>
Subject: [RESEND PATCH 5/5] drm/amdgpu: Switch from system_highpri_wq to system_unbound_wq

This is to avoid queueing jobs to same CPU during XGMI hive reset because there is a strict timeline for when the reset commands must reach all the GPUs in the hive.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index e4089a0..1518565 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3842,7 +3842,7 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive,
 		list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
 			/* For XGMI run all resets in parallel to speed up the process */
 			if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
-				if (!queue_work(system_highpri_wq, &tmp_adev->xgmi_reset_work))
+				if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work))
 					r = -EALREADY;
 			} else
 				r = amdgpu_asic_reset(tmp_adev);
--
2.7.4
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