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Save state of registers for suspend/resume.

main
Alan Hourihane 2005-06-27 11:39:44 +00:00
parent afdabdabf5
commit d6af201663
1 changed files with 29 additions and 8 deletions
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37
shared-core/i915_pm.c
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@ -59,8 +59,8 @@ static int i915_set_dpms(drm_device_t *dev, int mode)
switch(mode) {
case 0:
/* On */
sr01 &= ~SR01_SCREEN_OFF;
adpa = (adpa & ADPA_DPMS_MASK) | ADPA_DPMS_ON;
sr01 = dev_priv->sr01;
adpa = dev_priv->adpa;
#if 0
I915_WRITE( LVDS, lvds | LVDS_ON ); /* Power on LVDS */
#endif
@ -116,9 +116,22 @@ static int i915_set_dpms(drm_device_t *dev, int mode)
int i915_suspend( struct pci_dev *pdev, unsigned state )
{
drm_device_t *dev = (drm_device_t *)pci_get_drvdata(pdev);
drm_i915_private_t *dev_priv =
(drm_i915_private_t *)dev->dev_private;
DRM_DEBUG("%s state=%d\n", __FUNCTION__, state);
/* Save state for power up later */
if (state != 0) {
I915_WRITE( SRX_INDEX, SR01 );
dev_priv->sr01 = I915_READ( SRX_DATA );
dev_priv->dvoc = I915_READ( DVOC );
dev_priv->dvob = I915_READ( DVOB );
dev_priv->lvds = I915_READ( LVDS );
dev_priv->adpa = I915_READ( ADPA );
dev_priv->ppcr = I915_READ( PPCR );
}
switch(state) {
case 0:
/* D0: set DPMS mode on */
@ -138,9 +151,6 @@ int i915_suspend( struct pci_dev *pdev, unsigned state )
break;
}
pci_disable_device(pdev);
pci_set_power_state(pdev, state);
return 0;
}
@ -148,9 +158,6 @@ int i915_resume( struct pci_dev *pdev )
{
drm_device_t *dev = (drm_device_t *)pci_get_drvdata(pdev);
pci_enable_device(pdev);
pci_set_power_state(pdev, 0);
/* D0: set DPMS mode on */
i915_set_dpms(dev, 0);
@ -159,8 +166,22 @@ int i915_resume( struct pci_dev *pdev )
int i915_power( drm_device_t *dev, unsigned int state )
{
drm_i915_private_t *dev_priv =
(drm_i915_private_t *)dev->dev_private;
DRM_DEBUG("%s state=%d\n", __FUNCTION__, state);
/* Save state for power up later */
if (state != 0) {
I915_WRITE( SRX_INDEX, SR01 );
dev_priv->sr01 = I915_READ( SRX_DATA );
dev_priv->dvoc = I915_READ( DVOC );
dev_priv->dvob = I915_READ( DVOB );
dev_priv->lvds = I915_READ( LVDS );
dev_priv->adpa = I915_READ( ADPA );
dev_priv->ppcr = I915_READ( PPCR );
}
/* D0: set DPMS mode on */
i915_set_dpms(dev, state);