Merge branch 'gpu-switcher' of /ssd/git//linux-2.6 into drm-next-stage
[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / i915_drv.c
index a0a2cad..1b2e954 100644 (file)
@@ -45,7 +45,11 @@ module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
 unsigned int i915_powersave = 1;
 module_param_named(powersave, i915_powersave, int, 0400);
 
+unsigned int i915_lvds_downclock = 0;
+module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
+
 static struct drm_driver driver;
+extern int intel_agp_enabled;
 
 #define INTEL_VGA_DEVICE(id, info) {           \
        .class = PCI_CLASS_DISPLAY_VGA << 8,    \
@@ -117,7 +121,7 @@ const static struct intel_device_info intel_gm45_info = {
 
 const static struct intel_device_info intel_pineview_info = {
        .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .is_i9xx = 1,
-       .has_pipe_cxsr = 1,
+       .need_gfx_hws = 1,
        .has_hotplug = 1,
 };
 
@@ -133,6 +137,16 @@ const static struct intel_device_info intel_ironlake_m_info = {
        .has_hotplug = 1,
 };
 
+const static struct intel_device_info intel_sandybridge_d_info = {
+       .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+       .has_hotplug = 1,
+};
+
+const static struct intel_device_info intel_sandybridge_m_info = {
+       .is_i965g = 1, .is_mobile = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+       .has_hotplug = 1,
+};
+
 const static struct pci_device_id pciidlist[] = {
        INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
        INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
@@ -164,6 +178,8 @@ const static struct pci_device_id pciidlist[] = {
        INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
        INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
        INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
+       INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
+       INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),
        {0, 0, 0}
 };
 
@@ -171,26 +187,20 @@ const static struct pci_device_id pciidlist[] = {
 MODULE_DEVICE_TABLE(pci, pciidlist);
 #endif
 
-static int i915_suspend(struct drm_device *dev, pm_message_t state)
+static int i915_drm_freeze(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
-       if (!dev || !dev_priv) {
-               DRM_ERROR("dev: %p, dev_priv: %p\n", dev, dev_priv);
-               DRM_ERROR("DRM not initialized, aborting suspend.\n");
-               return -ENODEV;
-       }
-
-       if (state.event == PM_EVENT_PRETHAW)
-               return 0;
-
        pci_save_state(dev->pdev);
 
        /* If KMS is active, we do the leavevt stuff here */
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-               if (i915_gem_idle(dev))
+               int error = i915_gem_idle(dev);
+               if (error) {
                        dev_err(&dev->pdev->dev,
-                               "GEM idle failed, resume may fail\n");
+                               "GEM idle failed, resume might fail\n");
+                       return error;
+               }
                drm_irq_uninstall(dev);
        }
 
@@ -198,26 +208,42 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 
        intel_opregion_free(dev, 1);
 
+       /* Modeset on resume, not lid events */
+       dev_priv->modeset_on_lid = 0;
+
+       return 0;
+}
+
+int i915_suspend(struct drm_device *dev, pm_message_t state)
+{
+       int error;
+
+       if (!dev || !dev->dev_private) {
+               DRM_ERROR("dev: %p\n", dev);
+               DRM_ERROR("DRM not initialized, aborting suspend.\n");
+               return -ENODEV;
+       }
+
+       if (state.event == PM_EVENT_PRETHAW)
+               return 0;
+
+       error = i915_drm_freeze(dev);
+       if (error)
+               return error;
+
        if (state.event == PM_EVENT_SUSPEND) {
                /* Shut down the device */
                pci_disable_device(dev->pdev);
                pci_set_power_state(dev->pdev, PCI_D3hot);
        }
 
-       /* Modeset on resume, not lid events */
-       dev_priv->modeset_on_lid = 0;
-
        return 0;
 }
 
-static int i915_resume(struct drm_device *dev)
+static int i915_drm_thaw(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       int ret = 0;
-
-       if (pci_enable_device(dev->pdev))
-               return -1;
-       pci_set_master(dev->pdev);
+       int error = 0;
 
        i915_restore_state(dev);
 
@@ -228,21 +254,28 @@ static int i915_resume(struct drm_device *dev)
                mutex_lock(&dev->struct_mutex);
                dev_priv->mm.suspended = 0;
 
-               ret = i915_gem_init_ringbuffer(dev);
-               if (ret != 0)
-                       ret = -1;
+               error = i915_gem_init_ringbuffer(dev);
                mutex_unlock(&dev->struct_mutex);
 
                drm_irq_install(dev);
-       }
-       if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+
                /* Resume the modeset for every activated CRTC */
                drm_helper_resume_force_mode(dev);
        }
 
        dev_priv->modeset_on_lid = 0;
 
-       return ret;
+       return error;
+}
+
+int i915_resume(struct drm_device *dev)
+{
+       if (pci_enable_device(dev->pdev))
+               return -EIO;
+
+       pci_set_master(dev->pdev);
+
+       return i915_drm_thaw(dev);
 }
 
 /**
@@ -383,57 +416,62 @@ i915_pci_remove(struct pci_dev *pdev)
        drm_put_dev(dev);
 }
 
-static int
-i915_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int i915_pm_suspend(struct device *dev)
 {
-       struct drm_device *dev = pci_get_drvdata(pdev);
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct drm_device *drm_dev = pci_get_drvdata(pdev);
+       int error;
 
-       return i915_suspend(dev, state);
-}
+       if (!drm_dev || !drm_dev->dev_private) {
+               dev_err(dev, "DRM not initialized, aborting suspend.\n");
+               return -ENODEV;
+       }
 
-static int
-i915_pci_resume(struct pci_dev *pdev)
-{
-       struct drm_device *dev = pci_get_drvdata(pdev);
+       error = i915_drm_freeze(drm_dev);
+       if (error)
+               return error;
 
-       return i915_resume(dev);
-}
+       pci_disable_device(pdev);
+       pci_set_power_state(pdev, PCI_D3hot);
 
-static int
-i915_pm_suspend(struct device *dev)
-{
-       return i915_pci_suspend(to_pci_dev(dev), PMSG_SUSPEND);
+       return 0;
 }
 
-static int
-i915_pm_resume(struct device *dev)
+static int i915_pm_resume(struct device *dev)
 {
-       return i915_pci_resume(to_pci_dev(dev));
-}
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct drm_device *drm_dev = pci_get_drvdata(pdev);
 
-static int
-i915_pm_freeze(struct device *dev)
-{
-       return i915_pci_suspend(to_pci_dev(dev), PMSG_FREEZE);
+       return i915_resume(drm_dev);
 }
 
-static int
-i915_pm_thaw(struct device *dev)
+static int i915_pm_freeze(struct device *dev)
 {
-       /* thaw during hibernate, do nothing! */
-       return 0;
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+       if (!drm_dev || !drm_dev->dev_private) {
+               dev_err(dev, "DRM not initialized, aborting suspend.\n");
+               return -ENODEV;
+       }
+
+       return i915_drm_freeze(drm_dev);
 }
 
-static int
-i915_pm_poweroff(struct device *dev)
+static int i915_pm_thaw(struct device *dev)
 {
-       return i915_pci_suspend(to_pci_dev(dev), PMSG_HIBERNATE);
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+       return i915_drm_thaw(drm_dev);
 }
 
-static int
-i915_pm_restore(struct device *dev)
+static int i915_pm_poweroff(struct device *dev)
 {
-       return i915_pci_resume(to_pci_dev(dev));
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+       return i915_drm_freeze(drm_dev);
 }
 
 const struct dev_pm_ops i915_pm_ops = {
@@ -442,7 +480,7 @@ const struct dev_pm_ops i915_pm_ops = {
      .freeze = i915_pm_freeze,
      .thaw = i915_pm_thaw,
      .poweroff = i915_pm_poweroff,
-     .restore = i915_pm_restore,
+     .restore = i915_pm_resume,
 };
 
 static struct vm_operations_struct i915_gem_vm_ops = {
@@ -464,6 +502,11 @@ static struct drm_driver driver = {
        .lastclose = i915_driver_lastclose,
        .preclose = i915_driver_preclose,
        .postclose = i915_driver_postclose,
+
+       /* Used in place of i915_pm_ops for non-DRIVER_MODESET */
+       .suspend = i915_suspend,
+       .resume = i915_resume,
+
        .device_is_agp = i915_driver_device_is_agp,
        .enable_vblank = i915_enable_vblank,
        .disable_vblank = i915_disable_vblank,
@@ -488,7 +531,7 @@ static struct drm_driver driver = {
                 .owner = THIS_MODULE,
                 .open = drm_open,
                 .release = drm_release,
-                .ioctl = drm_ioctl,
+                .unlocked_ioctl = drm_ioctl,
                 .mmap = drm_gem_mmap,
                 .poll = drm_poll,
                 .fasync = drm_fasync,
@@ -516,6 +559,11 @@ static struct drm_driver driver = {
 
 static int __init i915_init(void)
 {
+       if (!intel_agp_enabled) {
+               DRM_ERROR("drm/i915 can't work without intel_agp module!\n");
+               return -ENODEV;
+       }
+
        driver.num_ioctls = i915_max_ioctl;
 
        i915_gem_shrinker_init();
@@ -541,6 +589,11 @@ static int __init i915_init(void)
                driver.driver_features &= ~DRIVER_MODESET;
 #endif
 
+       if (!(driver.driver_features & DRIVER_MODESET)) {
+               driver.suspend = i915_suspend;
+               driver.resume = i915_resume;
+       }
+
        return drm_init(&driver);
 }