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drm/amdgpu/userq: Optimize S0ix handling

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In S0i3, GFX state is retained, so it's preferrable to
preempt queues rather than unmapping them as the overhead
is lower.

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Tested-by: David Perry <david.perry@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2025-09-17 12:42:10 -04:00
parent f05c03ffc7
commit 846de1384a
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
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@@ -977,7 +977,10 @@ int amdgpu_userq_suspend(struct amdgpu_device *adev)
cancel_delayed_work_sync(&uqm->resume_work);
mutex_lock(&uqm->userq_mutex);
idr_for_each_entry(&uqm->userq_idr, queue, queue_id) {
r = amdgpu_userq_unmap_helper(uqm, queue);
if (adev->in_s0ix)
r = amdgpu_userq_preempt_helper(uqm, queue);
else
r = amdgpu_userq_unmap_helper(uqm, queue);
if (r)
ret = r;
}
@@ -1002,7 +1005,10 @@ int amdgpu_userq_resume(struct amdgpu_device *adev)
list_for_each_entry_safe(uqm, tmp, &adev->userq_mgr_list, list) {
mutex_lock(&uqm->userq_mutex);
idr_for_each_entry(&uqm->userq_idr, queue, queue_id) {
r = amdgpu_userq_map_helper(uqm, queue);
if (adev->in_s0ix)
r = amdgpu_userq_restore_helper(uqm, queue);
else
r = amdgpu_userq_map_helper(uqm, queue);
if (r)
ret = r;
}