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| author | Dave Airlie <airlied@redhat.com> | 2010-12-07 09:20:40 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-05 13:45:30 +1000 |
| commit | 5bcf719b7db0f9366cedaf102b081f99b1c325ae (patch) | |
| tree | 6929d42e1d61a3b1bd7b130a37a80b99718e14aa /drivers/gpu/drm/nouveau/nouveau_drv.c | |
| parent | 8d608aa6295242fe4c4b6105b8c59c6a5b232d89 (diff) | |
| download | linux-5bcf719b7db0f9366cedaf102b081f99b1c325ae.tar.gz linux-5bcf719b7db0f9366cedaf102b081f99b1c325ae.tar.xz linux-5bcf719b7db0f9366cedaf102b081f99b1c325ae.zip | |
drm/switcheroo: track state of switch in drivers.
We need to track the state of the switch in drivers, so that after s/r
we don't resume the card we've explicitly switched off before. Also
don't allow a userspace open to occur if we've switched the gpu off.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index bb170570938b..13bb672a16f4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -171,6 +171,9 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state) if (pm_state.event == PM_EVENT_PRETHAW) return 0; + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; + NV_INFO(dev, "Disabling fbcon acceleration...\n"); nouveau_fbcon_save_disable_accel(dev); @@ -254,6 +257,9 @@ nouveau_pci_resume(struct pci_dev *pdev) struct drm_crtc *crtc; int ret, i; + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; + nouveau_fbcon_save_disable_accel(dev); NV_INFO(dev, "We're back, enabling device...\n"); |