github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-04 12:35:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu: fix calling VM invalidation in amdgpu_hmm_invalidate_gfx

Browse Source 
Otherwise we don't invalidate page tables on next CS.

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 b6444d1bcbc34f6f2a31a3aab3059be082f3683e)
Cc: stable@vger.kernel.org
This commit is contained in:
Christian König 2026-02-18 12:31:29 +01:00 committed by Alex Deucher
parent 962d684b5d
commit 1c824497d8
2 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
View File

@ -76,6 +76,7 @@ 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);
mutex_unlock(&adev->notifier_lock);

7
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -1631,6 +1631,7 @@ int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
{
struct amdgpu_bo_va *bo_va;
struct dma_resv *resv;
struct amdgpu_bo *bo;
bool clear, unlock;
int r;
@ -1650,11 +1651,13 @@ int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
while (!list_empty(&vm->invalidated)) {
bo_va = list_first_entry(&vm->invalidated, struct amdgpu_bo_va,
base.vm_status);
resv = bo_va->base.bo->tbo.base.resv;
bo = bo_va->base.bo;
resv = bo->tbo.base.resv;
spin_unlock(&vm->status_lock);
/* Try to reserve the BO to avoid clearing its ptes */
if (!adev->debug_vm && dma_resv_trylock(resv)) {
if (!adev->debug_vm && !amdgpu_ttm_tt_get_usermm(bo->tbo.ttm) &&
dma_resv_trylock(resv)) {
clear = false;
unlock = true;
/* The caller is already holding the reservation lock */