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drm/amdgpu/sriov: Only sriov runtime support use kiq

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For sriov, don't use kiq in exclusive mode, as don't know how long time
it will take, some times it will occur exclusive timeout.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2018-08-21 18:51:38 +08:00 committed by Alex Deucher
parent 52de2ea74f
commit fc0faf0440
1 changed files with 8 additions and 7 deletions
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15
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
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@ -321,9 +321,6 @@ signed long amdgpu_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
struct amdgpu_ring *ring = &kiq->ring;
if (!ring->ready)
return -EINVAL;
spin_lock_irqsave(&kiq->ring_lock, flags);
amdgpu_ring_alloc(ring, 32);
@ -390,10 +387,14 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev,
struct amdgpu_vmhub *hub = &adev->vmhub[i];
u32 tmp = gmc_v9_0_get_invalidate_req(vmid);
r = amdgpu_kiq_reg_write_reg_wait(adev, hub->vm_inv_eng0_req + eng,
hub->vm_inv_eng0_ack + eng, tmp, 1 << vmid);
if (!r)
continue;
if (adev->gfx.kiq.ring.ready &&
(amdgpu_sriov_runtime(adev) ||
!amdgpu_sriov_vf(adev))) {
r = amdgpu_kiq_reg_write_reg_wait(adev, hub->vm_inv_eng0_req + eng,
hub->vm_inv_eng0_ack + eng, tmp, 1 << vmid);
if (!r)
continue;
}
spin_lock(&adev->gmc.invalidate_lock);