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drm/amdgpu: restart the CS if some parts of the VM are still invalidated

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Make sure that we only submit work with full up to date VM page tables.

Backport to 7.1 and older.

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 59720bfd8c)
Cc: stable@vger.kernel.org
This commit is contained in:
Christian König 2026-02-25 15:12:02 +01:00 committed by Alex Deucher
parent d097095dda
commit 40396ffdf6
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@ -1277,6 +1277,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
{
struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
struct amdgpu_job *leader = p->gang_leader;
struct amdgpu_vm *vm = &fpriv->vm;
struct amdgpu_bo_list_entry *e;
struct drm_gem_object *gobj;
unsigned long index;
@ -1322,7 +1323,8 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
amdgpu_hmm_range_free(e->range);
e->range = NULL;
}
if (r) {
if (r || !list_empty(&vm->invalidated)) {
r = -EAGAIN;
mutex_unlock(&p->adev->notifier_lock);
return r;