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drm/nouveau: fix suspend failure path to reinitialise all engines 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-04-01 13:26:35 +10:00
parent 39a654d5b9
commit 92abe74992
1 changed files with 13 additions and 13 deletions
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26
drivers/gpu/drm/nouveau/nouveau_drv.c
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@ -162,11 +162,10 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
struct drm_device *dev = pci_get_drvdata(pdev);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
struct nouveau_channel *chan;
struct drm_crtc *crtc;
int ret, i;
int ret, i, e;
if (pm_state.event == PM_EVENT_PRETHAW)
return 0;
@ -206,19 +205,17 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
nouveau_channel_idle(chan);
}
pgraph->fifo_access(dev, false);
nouveau_wait_for_idle(dev);
for (i = NVOBJ_ENGINE_NR - 1; i >= 0; i--) {
if (dev_priv->eng[i])
dev_priv->eng[i]->fini(dev, i);
}
pfifo->reassign(dev, false);
pfifo->disable(dev);
pfifo->unload_context(dev);
if (pgraph->unload_context)
pgraph->unload_context(dev);
for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
if (dev_priv->eng[e]) {
ret = dev_priv->eng[e]->fini(dev, e);
if (ret)
goto out_abort;
}
}
ret = pinstmem->suspend(dev);
if (ret) {
@ -249,9 +246,12 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
out_abort:
NV_INFO(dev, "Re-enabling acceleration..\n");
for (e = e + 1; e < NVOBJ_ENGINE_NR; e++) {
if (dev_priv->eng[e])
dev_priv->eng[e]->init(dev, e);
}
pfifo->enable(dev);
pfifo->reassign(dev, true);
pgraph->fifo_access(dev, true);
return ret;
}