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radeon: Add suspend/resume hooks for saving/clearing/restoring interrupts. 

Fixes http://bugs.freedesktop.org/show_bug.cgi?id=16799 .
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Stefan Becker 2008-07-26 16:49:14 +02:00 committed by Michel Dänzer
parent c3d463840c
commit 514c05cebe
1 changed files with 24 additions and 0 deletions
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24
linux-core/radeon_drv.c
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@ -52,6 +52,28 @@ static int dri_library_name(struct drm_device * dev, char * buf)
"r300"));
}
static int radeon_suspend(struct drm_device *dev, pm_message_t state)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
/* Disable *all* interrupts */
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
return 0;
}
static int radeon_resume(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
/* Restore interrupt registers */
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
return 0;
}
static struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};
@ -69,6 +91,8 @@ static struct drm_driver driver = {
.postclose = radeon_driver_postclose,
.lastclose = radeon_driver_lastclose,
.unload = radeon_driver_unload,
.suspend = radeon_suspend,
.resume = radeon_resume,
.get_vblank_counter = radeon_get_vblank_counter,
.enable_vblank = radeon_enable_vblank,
.disable_vblank = radeon_disable_vblank,