diff options
| author |   Emily Deng <Emily.Deng@amd.com> | 2018-08-21 18:51:38 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:11:12 -0500 |
| commit | fc0faf04400133393faa0a289aeba5d82069e52e (patch) | |
| tree | f7564f70b7a3f0fe49575703b7a3c2183128f527 /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
| parent | drm/amdgpu: fix sdma doorbell range setting (diff) | |
| download | linux-dev-fc0faf04400133393faa0a289aeba5d82069e52e.tar.xz linux-dev-fc0faf04400133393faa0a289aeba5d82069e52e.zip | |
drm/amdgpu/sriov: Only sriov runtime support use kiq
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 46183c7730c4..b6b5ede0ca35 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -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); |