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| author | Alex Deucher <alexander.deucher@amd.com> | 2026-01-01 17:20:18 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-05-11 16:15:31 -0400 |
| commit | c184df870db1e328691ea0fbb7d0e59efd9d3f9f (patch) | |
| tree | cbdea9ebd1a258bc03738419f3dd1bc0c6641107 /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | |
| parent | b0054327595767aec4726929e6ddb94b5d31334f (diff) | |
| download | linux-next-c184df870db1e328691ea0fbb7d0e59efd9d3f9f.tar.gz linux-next-c184df870db1e328691ea0fbb7d0e59efd9d3f9f.zip | |
drm/amdgpu: plumb timedout fence through to force completion
When we do a full adapter reset, if we know the timedout fence
mark the fence with -ETIME rather than -ECANCELED so it
gets properly handled by userspace.
v2: rebase
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/amdgpu_fence.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 8048a4c04b47..ea69b1bac7c6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -547,7 +547,7 @@ void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev) r = -ENODEV; /* no need to trigger GPU reset as we are unloading */ if (r) - amdgpu_fence_driver_force_completion(ring); + amdgpu_fence_driver_force_completion(ring, NULL); if (!drm_dev_is_unplugged(adev_to_drm(adev)) && ring->fence_drv.irq_src && @@ -662,16 +662,34 @@ void amdgpu_fence_driver_set_error(struct amdgpu_ring *ring, int error) * amdgpu_fence_driver_force_completion - force signal latest fence of ring * * @ring: fence of the ring to signal + * @timedout_fence: fence of the timedout job * */ -void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring) +void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring, + struct dma_fence *timedout_fence) { - amdgpu_fence_driver_set_error(ring, -ECANCELED); + struct amdgpu_fence_driver *drv = &ring->fence_drv; + unsigned long flags; + + spin_lock_irqsave(&drv->lock, flags); + for (unsigned int i = 0; i <= drv->num_fences_mask; ++i) { + struct dma_fence *fence; + + fence = rcu_dereference_protected(drv->fences[i], + lockdep_is_held(&drv->lock)); + if (fence && !dma_fence_is_signaled_locked(fence)) { + if (fence == timedout_fence) + dma_fence_set_error(fence, -ETIME); + else + dma_fence_set_error(fence, -ECANCELED); + } + } + spin_unlock_irqrestore(&drv->lock, flags); + amdgpu_fence_write(ring, ring->fence_drv.sync_seq); amdgpu_fence_process(ring); } - /* * Kernel queue reset handling * |