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drm/amdkfd: Move the process suspend and resume out of full access

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For the suspend and resume process, exclusive access is not required.
Therefore, it can be moved out of the full access section to reduce the
duration of exclusive access.

v3:
Move suspend processes before hardware fini.
Remove twice call for bare metal.

v4:
Refine code

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Acked-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng
2025-05-27 11:42:11 +08:00
committed by Alex Deucher
parent b49e3d7ca7
commit 54f7a24e14
6 changed files with 86 additions and 36 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -3524,7 +3524,7 @@ static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev)
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
amdgpu_amdkfd_suspend(adev, false);
amdgpu_amdkfd_suspend(adev, true);
amdgpu_userq_suspend(adev);
/* Workaround for ASICs need to disable SMC first */
@@ -5083,6 +5083,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool notify_clients)
adev->in_suspend = true;
if (amdgpu_sriov_vf(adev)) {
if (!adev->in_s0ix && !adev->in_runpm)
amdgpu_amdkfd_suspend_process(adev);
amdgpu_virt_fini_data_exchange(adev);
r = amdgpu_virt_request_full_gpu(adev, false);
if (r)
@@ -5102,7 +5104,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool notify_clients)
amdgpu_device_ip_suspend_phase1(adev);
if (!adev->in_s0ix) {
amdgpu_amdkfd_suspend(adev, adev->in_runpm);
amdgpu_amdkfd_suspend(adev, !amdgpu_sriov_vf(adev) && !adev->in_runpm);
amdgpu_userq_suspend(adev);
}
@@ -5200,7 +5202,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool notify_clients)
}
if (!adev->in_s0ix) {
r = amdgpu_amdkfd_resume(adev, adev->in_runpm);
r = amdgpu_amdkfd_resume(adev, !amdgpu_sriov_vf(adev) && !adev->in_runpm);
if (r)
goto exit;
@@ -5219,6 +5221,9 @@ exit:
if (amdgpu_sriov_vf(adev)) {
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true);
if (!adev->in_s0ix && !r && !adev->in_runpm)
r = amdgpu_amdkfd_resume_process(adev);
}
if (r)