diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-11-27 11:05:36 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-11-29 09:58:12 +1000 |
| commit | edc260d06181cbf38d5cd326e6cf824d8e2e0eaf (patch) | |
| tree | 2d840c53ad09f1bdc02a29948bdd0d1f0349d329 /drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c | |
| parent | c9aa763fe9690a334d0636f88e6eb85340f36f89 (diff) | |
| download | op-kernel-dev-edc260d06181cbf38d5cd326e6cf824d8e2e0eaf.zip op-kernel-dev-edc260d06181cbf38d5cd326e6cf824d8e2e0eaf.tar.gz | |
drm/nouveau/fifo: trigger engine context unload before zeroing context pointer
Fixes a PCE0 page fault noticed on NVD9 during module unload.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c index 7969df9..1eb1c51 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c @@ -95,14 +95,6 @@ nv84_fifo_context_detach(struct nouveau_object *parent, bool suspend, return -EINVAL; } - nv_wo32(base->eng, addr + 0x00, 0x00000000); - nv_wo32(base->eng, addr + 0x04, 0x00000000); - nv_wo32(base->eng, addr + 0x08, 0x00000000); - nv_wo32(base->eng, addr + 0x0c, 0x00000000); - nv_wo32(base->eng, addr + 0x10, 0x00000000); - nv_wo32(base->eng, addr + 0x14, 0x00000000); - bar->flush(bar); - save = nv_mask(priv, 0x002520, 0x0000003f, 1 << engn); nv_wr32(priv, 0x0032fc, nv_gpuobj(base)->addr >> 12); done = nv_wait_ne(priv, 0x0032fc, 0xffffffff, 0xffffffff); @@ -112,6 +104,14 @@ nv84_fifo_context_detach(struct nouveau_object *parent, bool suspend, if (suspend) return -EBUSY; } + + nv_wo32(base->eng, addr + 0x00, 0x00000000); + nv_wo32(base->eng, addr + 0x04, 0x00000000); + nv_wo32(base->eng, addr + 0x08, 0x00000000); + nv_wo32(base->eng, addr + 0x0c, 0x00000000); + nv_wo32(base->eng, addr + 0x10, 0x00000000); + nv_wo32(base->eng, addr + 0x14, 0x00000000); + bar->flush(bar); return 0; } |
