diff options
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_pm.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/shared-core/i915_pm.c b/shared-core/i915_pm.c index 2f49d583..c9a288fe 100644 --- a/shared-core/i915_pm.c +++ b/shared-core/i915_pm.c @@ -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); |