diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/power.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/power.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c index 94025693bae..889b854751d 100644 --- a/drivers/gpu/drm/gma500/power.c +++ b/drivers/gpu/drm/gma500/power.c @@ -58,7 +58,8 @@ void gma_power_init(struct drm_device *dev) spin_lock_init(&power_ctrl_lock); mutex_init(&power_mutex); - dev_priv->ops->init_pm(dev); + if (dev_priv->ops->init_pm) + dev_priv->ops->init_pm(dev); } /** @@ -101,9 +102,6 @@ static void gma_resume_display(struct pci_dev *pdev) struct drm_device *dev = pci_get_drvdata(pdev); struct drm_psb_private *dev_priv = dev->dev_private; - if (dev_priv->suspended == false) - return; - /* turn on the display power island */ dev_priv->ops->power_up(dev); dev_priv->suspended = false; @@ -132,9 +130,9 @@ static void gma_suspend_pci(struct pci_dev *pdev) pci_save_state(pdev); pci_read_config_dword(pdev, 0x5C, &bsm); - dev_priv->saveBSM = bsm; + dev_priv->regs.saveBSM = bsm; pci_read_config_dword(pdev, 0xFC, &vbt); - dev_priv->saveVBT = vbt; + dev_priv->regs.saveVBT = vbt; pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr); pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data); @@ -162,8 +160,8 @@ static bool gma_resume_pci(struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM); - pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT); + pci_write_config_dword(pdev, 0x5c, dev_priv->regs.saveBSM); + pci_write_config_dword(pdev, 0xFC, dev_priv->regs.saveVBT); /* restoring MSI address and data in PCIx space */ pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr); pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data); @@ -195,6 +193,7 @@ int gma_power_suspend(struct device *_dev) if (!dev_priv->suspended) { if (dev_priv->display_count) { mutex_unlock(&power_mutex); + dev_err(dev->dev, "GPU hardware busy, cannot suspend\n"); return -EBUSY; } psb_irq_uninstall(dev); @@ -302,7 +301,7 @@ int psb_runtime_suspend(struct device *dev) int psb_runtime_resume(struct device *dev) { - return gma_power_resume(dev);; + return gma_power_resume(dev); } int psb_runtime_idle(struct device *dev) |