From 92abe7499239f7b570194b34c50e3772783e2640 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 1 Apr 2011 13:26:35 +1000 Subject: [PATCH] drm/nouveau: fix suspend failure path to reinitialise all engines Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drv.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index ba87173..126216f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -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; } -- 2.7.4