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drm/ttm: remove ttm_bo_(un)lock_delayed_workqueue

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Those functions never worked correctly since it is still perfectly
possible that a buffer object is released and the background worker
restarted even after calling them.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-2-christian.koenig@amd.com
This commit is contained in:
Christian König
2022-11-18 20:22:21 +01:00
parent 3ea44105bd
commit cd3a8a5962
6 changed files with 3 additions and 46 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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@@ -1717,7 +1717,7 @@ no_preempt:
static int amdgpu_debugfs_ib_preempt(void *data, u64 val)
{
int r, resched, length;
int r, length;
struct amdgpu_ring *ring;
struct dma_fence **fences = NULL;
struct amdgpu_device *adev = (struct amdgpu_device *)data;
@@ -1747,8 +1747,6 @@ static int amdgpu_debugfs_ib_preempt(void *data, u64 val)
/* stop the scheduler */
kthread_park(ring->sched.thread);
resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
/* preempt the IB */
r = amdgpu_ring_preempt_ib(ring);
if (r) {
@@ -1785,8 +1783,6 @@ failure:
up_read(&adev->reset_domain->sem);
ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
pro_end:
kfree(fences);