[PATCH 4/4] drm/amdgpu: restart the CS if some parts of the VM are still invalidated

[Christian König]

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

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 10d8dcc3a972..b26f681527f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1280,6 +1280,7 @@ 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;
@@ -1325,7 +1326,8 @@ 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;
-- 
2.43.0