drm/amdgpu: fix "use bulk moves for efficient VM LRU handling" v2
authorChristian König <christian.koenig@amd.com>
Thu, 30 Aug 2018 08:04:53 +0000 (10:04 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Sun, 2 Sep 2018 15:16:38 +0000 (10:16 -0500)
First step to fix the LRU corruption, we accidentially tried to move things
on the LRU after dropping the lock.

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

index dd734970e167bd1a7e13a5ae707f5e18ea7d3ddf..349dcc37ee649fef311c77d0ea3cd766fe8475bf 100644 (file)
@@ -1237,6 +1237,8 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
        ring = to_amdgpu_ring(entity->rq->sched);
        amdgpu_ring_priority_get(ring, priority);
 
+       amdgpu_vm_move_to_lru_tail(p->adev, &fpriv->vm);
+
        ttm_eu_fence_buffer_objects(&p->ticket, &p->validated, p->fence);
        amdgpu_mn_unlock(p->mn);
 
@@ -1258,7 +1260,6 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
        union drm_amdgpu_cs *cs = data;
        struct amdgpu_cs_parser parser = {};
        bool reserved_buffers = false;
-       struct amdgpu_fpriv *fpriv;
        int i, r;
 
        if (!adev->accel_working)
@@ -1303,8 +1304,6 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 
        r = amdgpu_cs_submit(&parser, cs);
 
-       fpriv = filp->driver_priv;
-       amdgpu_vm_move_to_lru_tail(adev, &fpriv->vm);
 out:
        amdgpu_cs_parser_fini(&parser, r, reserved_buffers);
        return r;