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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 <christian.koenig@amd.com>
Reviewed-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Tested-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 91250893cb)
Cc: stable@vger.kernel.org
This commit is contained in:
Christian König 2026-02-18 13:05:46 +01:00 committed by Alex Deucher
parent e3fa02872e
commit 58bafc666c
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
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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);