diff options
| 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 | |
| parent | 8d608aa6295242fe4c4b6105b8c59c6a5b232d89 (diff) | |
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')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index bb170570938..13bb672a16f 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"); diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index e8157568735..e59f5bcab1a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -753,6 +753,8 @@ struct drm_nouveau_private { struct nouveau_fbdev *nfbdev; struct apertures_struct *apertures; + + bool powered_down; }; static inline struct drm_nouveau_private * diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 1b87eee22fa..a54fc431fe9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -596,12 +596,16 @@ static void nouveau_switcheroo_set_state(struct pci_dev *pdev, pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; if (state == VGA_SWITCHEROO_ON) { printk(KERN_ERR "VGA switcheroo: switched nouveau on\n"); + dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; nouveau_pci_resume(pdev); drm_kms_helper_poll_enable(dev); + dev->switch_power_state = DRM_SWITCH_POWER_ON; } else { printk(KERN_ERR "VGA switcheroo: switched nouveau off\n"); + dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(dev); nouveau_pci_suspend(pdev, pmm); + dev->switch_power_state = DRM_SWITCH_POWER_OFF; } } |