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drm/amdgpu: fix for suspend/resume sequence under sriov

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- clear kiq ring after suspend/resume under sriov to aviod kiq ring
test failure
- update irq after resume to fix kiq interrput loss

Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Zhao
2022-10-26 11:48:50 +08:00
committed by Alex Deucher
parent 5cefe31b2a
commit ec4927d463
5 changed files with 10 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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@@ -4004,6 +4004,8 @@ static int gfx_v11_0_kiq_init_queue(struct amdgpu_ring *ring)
mutex_unlock(&adev->srbm_mutex);
} else {
memset((void *)mqd, 0, sizeof(*mqd));
if (amdgpu_sriov_vf(adev) && adev->in_suspend)
amdgpu_ring_clear_ring(ring);
mutex_lock(&adev->srbm_mutex);
soc21_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
amdgpu_ring_init_mqd(ring);