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drm/amdgpu: fix waiting for all submissions for userptrs

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Wait for all submissions when userptrs need to be invalidated by the MMU
notifier, not just the one the userptr was involved into.

Signed-off-by: Christian König <[email protected]>
Reviewed-by: Vitaly Prosyak <[email protected]>
Tested-by: Vitaly Prosyak <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Christian König authored and Alex Deucher committed 2026-06-03 13:53:53 -04:00
1 parent a2ef14ee25
commit 91250893cb
1 file changed
+4 -2
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drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
+4 -2
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@@ -67,6 +67,7 @@ static bool amdgpu_hmm_invalidate_gfx(struct mmu_interval_notifier *mni,
{
struct amdgpu_bo *bo = container_of(mni, struct amdgpu_bo, notifier);
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct amdgpu_bo *vm_root = bo->vm_bo->vm->root.bo;
long r;
if (!mmu_notifier_range_blockable(range))
@@ -77,8 +78,9 @@ static bool amdgpu_hmm_invalidate_gfx(struct mmu_interval_notifier *mni,
mmu_interval_set_seq(mni, cur_seq);
amdgpu_vm_bo_invalidate(bo, false);
r = dma_resv_wait_timeout(bo->tbo.base.resv, DMA_RESV_USAGE_BOOKKEEP,
false, MAX_SCHEDULE_TIMEOUT);
r = dma_resv_wait_timeout(vm_root->tbo.base.resv,
DMA_RESV_USAGE_BOOKKEEP, false,
MAX_SCHEDULE_TIMEOUT);
mutex_unlock(&adev->notifier_lock);
if (r <= 0)
DRM_ERROR("(%ld) failed to wait for user bo\n", r);