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authorDave Airlie <airlied@redhat.com>2010-12-07 09:20:40 +1000
committerDave Airlie <airlied@redhat.com>2011-01-05 13:45:30 +1000
commit5bcf719b7db0f9366cedaf102b081f99b1c325ae (patch)
tree6929d42e1d61a3b1bd7b130a37a80b99718e14aa /drivers/gpu/drm/i915/i915_dma.c
parent8d608aa6295242fe4c4b6105b8c59c6a5b232d89 (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/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index ec1f650f6fa..0568dbdc10e 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1151,12 +1151,16 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_
pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
if (state == VGA_SWITCHEROO_ON) {
printk(KERN_INFO "i915: switched on\n");
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
/* i915 resume handler doesn't set to D0 */
pci_set_power_state(dev->pdev, PCI_D0);
i915_resume(dev);
+ dev->switch_power_state = DRM_SWITCH_POWER_ON;
} else {
printk(KERN_ERR "i915: switched off\n");
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
i915_suspend(dev, pmm);
+ dev->switch_power_state = DRM_SWITCH_POWER_OFF;
}
}