diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index bd5dd4f64311..fac77a86c04b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7513,12 +7513,17 @@ static int gfx_v10_0_ring_preempt_ib(struct amdgpu_ring *ring) struct amdgpu_device *adev = ring->adev; struct amdgpu_kiq *kiq = &adev->gfx.kiq; struct amdgpu_ring *kiq_ring = &kiq->ring; + unsigned long flags; if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) return -EINVAL; - if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size)) + spin_lock_irqsave(&kiq->ring_lock, flags); + + if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size)) { + spin_unlock_irqrestore(&kiq->ring_lock, flags); return -ENOMEM; + } /* assert preemption condition */ amdgpu_ring_set_preempt_cond_exec(ring, false); @@ -7529,6 +7534,8 @@ static int gfx_v10_0_ring_preempt_ib(struct amdgpu_ring *ring) ++ring->trail_seq); amdgpu_ring_commit(kiq_ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); + /* poll the trailing fence */ for (i = 0; i < adev->usec_timeout; i++) { if (ring->trail_seq == |