diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 7056925eb386..5448cf27654e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -216,8 +216,10 @@ static void amdgpu_fence_schedule_fallback(struct amdgpu_ring *ring) * Checks the current fence value and calculates the last * signalled fence value. Wakes the fence queue if the * sequence number has increased. + * + * Returns true if fence was processed */ -void amdgpu_fence_process(struct amdgpu_ring *ring) +bool amdgpu_fence_process(struct amdgpu_ring *ring) { struct amdgpu_fence_driver *drv = &ring->fence_drv; uint32_t seq, last_seq; @@ -229,11 +231,12 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) } while (atomic_cmpxchg(&drv->last_seq, last_seq, seq) != last_seq); - if (seq != ring->fence_drv.sync_seq) + if (del_timer(&ring->fence_drv.fallback_timer) && + seq != ring->fence_drv.sync_seq) amdgpu_fence_schedule_fallback(ring); if (unlikely(seq == last_seq)) - return; + return false; last_seq &= drv->num_fences_mask; seq &= drv->num_fences_mask; @@ -260,6 +263,8 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) dma_fence_put(fence); } while (last_seq != seq); + + return true; } /** @@ -274,7 +279,8 @@ static void amdgpu_fence_fallback(struct timer_list *t) struct amdgpu_ring *ring = from_timer(ring, t, fence_drv.fallback_timer); - amdgpu_fence_process(ring); + if (amdgpu_fence_process(ring)) + DRM_WARN("Fence fallback timer expired on ring %s\n", ring->name); } /** @@ -701,7 +707,7 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data) struct amdgpu_device *adev = dev->dev_private; seq_printf(m, "gpu recover\n"); - amdgpu_device_gpu_recover(adev, NULL, true); + amdgpu_device_gpu_recover(adev, NULL); return 0; } |