diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-02-28 14:22:12 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-28 15:00:16 +1000 |
| commit | 7db26623257a16c901a4b77bfc5096ee05304932 (patch) | |
| tree | 6c92f51db3b30ed6089f25b80e21d296bb4639a5 /drivers/gpu | |
| parent | 3c0556e9673f79e386b27768e27d18b3ce29e40e (diff) | |
drm/nv50-nvc0: make sure vma is definitely unmapped when destroying bo
Somehow fixes a misrendering + hang at GDM startup on my NVA8...
My first guess would have been stale TLB entries laying around that a new
bo then accidentally inherits. That doesn't make a great deal of sense
however, as when we mapped the pages for the new bo the TLBs would've
gotten flushed anyway.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index d38a4d9f9b0b..a52184007f5f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -49,7 +49,10 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo) DRM_ERROR("bo %p still attached to GEM object\n", bo); nv10_mem_put_tile_region(dev, nvbo->tile, NULL); - nouveau_vm_put(&nvbo->vma); + if (nvbo->vma.node) { + nouveau_vm_unmap(&nvbo->vma); + nouveau_vm_put(&nvbo->vma); + } kfree(nvbo); } |