diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 113 |
1 files changed, 79 insertions, 34 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 91eeade9212..f3e481f9aa8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -752,34 +752,10 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, */ ttm_bo_swapout_all(&dev_priv->bdev); - /** - * Release 3d reference held by fbdev and potentially - * stop fifo. - */ - dev_priv->suspended = true; - if (dev_priv->enable_fb) - vmw_3d_resource_dec(dev_priv); - break; case PM_POST_HIBERNATION: case PM_POST_SUSPEND: case PM_POST_RESTORE: - if (!dev_priv->suspended) { - printk(KERN_WARNING - "[%s] Driver is not suspended at resume" - " point.\n", VMWGFX_DRIVER_NAME); - - break; - } - - /** - * Reclaim 3d reference held by fbdev and potentially - * start fifo. - */ - if (dev_priv->enable_fb) - vmw_3d_resource_inc(dev_priv); - - dev_priv->suspended = false; ttm_suspend_unlock(&vmaster->lock); break; @@ -795,7 +771,7 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, * These might not be needed with the virtual SVGA device. */ -int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) +static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) { struct drm_device *dev = pci_get_drvdata(pdev); struct vmw_private *dev_priv = vmw_priv(dev); @@ -812,13 +788,81 @@ int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } -int vmw_pci_resume(struct pci_dev *pdev) +static int vmw_pci_resume(struct pci_dev *pdev) { pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); return pci_enable_device(pdev); } +static int vmw_pm_suspend(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct pm_message dummy; + + dummy.event = 0; + + return vmw_pci_suspend(pdev, dummy); +} + +static int vmw_pm_resume(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + + return vmw_pci_resume(pdev); +} + +static int vmw_pm_prepare(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + /** + * Release 3d reference held by fbdev and potentially + * stop fifo. + */ + dev_priv->suspended = true; + if (dev_priv->enable_fb) + vmw_3d_resource_dec(dev_priv); + + if (dev_priv->num_3d_resources != 0) { + + DRM_INFO("Can't suspend or hibernate " + "while 3D resources are active.\n"); + + if (dev_priv->enable_fb) + vmw_3d_resource_inc(dev_priv); + dev_priv->suspended = false; + return -EBUSY; + } + + return 0; +} + +static void vmw_pm_complete(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + /** + * Reclaim 3d reference held by fbdev and potentially + * start fifo. + */ + if (dev_priv->enable_fb) + vmw_3d_resource_inc(dev_priv); + + dev_priv->suspended = false; +} + +static const struct dev_pm_ops vmw_pm_ops = { + .prepare = vmw_pm_prepare, + .complete = vmw_pm_complete, + .suspend = vmw_pm_suspend, + .resume = vmw_pm_resume, +}; + static struct drm_driver driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_MODESET, @@ -852,15 +896,16 @@ static struct drm_driver driver = { #if defined(CONFIG_COMPAT) .compat_ioctl = drm_compat_ioctl, #endif - }, + }, .pci_driver = { - .name = VMWGFX_DRIVER_NAME, - .id_table = vmw_pci_id_list, - .probe = vmw_probe, - .remove = vmw_remove, - .suspend = vmw_pci_suspend, - .resume = vmw_pci_resume - }, + .name = VMWGFX_DRIVER_NAME, + .id_table = vmw_pci_id_list, + .probe = vmw_probe, + .remove = vmw_remove, + .driver = { + .pm = &vmw_pm_ops + } + }, .name = VMWGFX_DRIVER_NAME, .desc = VMWGFX_DRIVER_DESC, .date = VMWGFX_DRIVER_DATE, |