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author | Dave Airlie <airlied@redhat.com> | 2010-12-07 09:20:40 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2011-01-05 13:45:30 +1000 |
commit | 5bcf719b7db0f9366cedaf102b081f99b1c325ae (patch) | |
tree | 6929d42e1d61a3b1bd7b130a37a80b99718e14aa /drivers/gpu/drm/nouveau/nouveau_state.c | |
parent | vga_switcheroo: add reprobe hook for fbcon to recheck connected outputs. (diff) | |
download | linux-dev-5bcf719b7db0f9366cedaf102b081f99b1c325ae.tar.xz linux-dev-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_state.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 1b87eee22fa9..a54fc431fe98 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; } } |