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authorBen Skeggs <bskeggs@redhat.com>2011-02-28 14:22:12 +1000
committerBen Skeggs <bskeggs@redhat.com>2011-02-28 15:00:16 +1000
commit7db26623257a16c901a4b77bfc5096ee05304932 (patch)
tree6c92f51db3b30ed6089f25b80e21d296bb4639a5 /drivers/gpu/drm
parent3c0556e9673f79e386b27768e27d18b3ce29e40e (diff)
downloadlinux-2.6.38-lt-ux500-7db26623257a16c901a4b77bfc5096ee05304932.tar.gz
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/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c5
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 d38a4d9f9b0..a52184007f5 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);
}