drm/i915: unify switcheroo and legacy suspend/resume handlers

By now we handle switcheroo and legacy suspend/resume the same way, so
no need to keep separate functions for them.

No functional change.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_dma.c

@@ -1275,12 +1275,12 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_
 		dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 		/* i915 resume handler doesn't set to D0 */
 		pci_set_power_state(dev->pdev, PCI_D0);
-		i915_resume(dev);
+		i915_resume_legacy(dev);
 		dev->switch_power_state = DRM_SWITCH_POWER_ON;
 	} else {
 		pr_err("switched off\n");
 		dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
-		i915_suspend(dev, pmm);
+		i915_suspend_legacy(dev, pmm);
 		dev->switch_power_state = DRM_SWITCH_POWER_OFF;
 	}
 }

drivers/gpu/drm/i915/i915_drv.c

@@ -649,7 +649,7 @@ static int i915_drm_suspend_late(struct drm_device *drm_dev)
 	return 0;
 }
 
-int i915_suspend(struct drm_device *dev, pm_message_t state)
+int i915_suspend_legacy(struct drm_device *dev, pm_message_t state)
 {
 	int error;
 
@@ -771,7 +771,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
 	return ret;
 }
 
-static int i915_resume_legacy(struct drm_device *dev)
+int i915_resume_legacy(struct drm_device *dev)
 {
 	int ret;
 
@@ -785,11 +785,6 @@ static int i915_resume_legacy(struct drm_device *dev)
 	return i915_drm_resume(dev);
 }
 
-int i915_resume(struct drm_device *dev)
-{
-	return i915_resume_legacy(dev);
-}
-
 /**
  * i915_reset - reset chip after a hang
  * @dev: drm device to reset
@@ -1592,7 +1587,7 @@ static struct drm_driver driver = {
 	.set_busid = drm_pci_set_busid,
 
 	/* Used in place of i915_pm_ops for non-DRIVER_MODESET */
-	.suspend = i915_suspend,
+	.suspend = i915_suspend_legacy,
 	.resume = i915_resume_legacy,
 
 	.device_is_agp = i915_driver_device_is_agp,

drivers/gpu/drm/i915/i915_drv.h

@@ -2221,8 +2221,8 @@ struct drm_i915_cmd_table {
 extern const struct drm_ioctl_desc i915_ioctls[];
 extern int i915_max_ioctl;
 
-extern int i915_suspend(struct drm_device *dev, pm_message_t state);
-extern int i915_resume(struct drm_device *dev);
+extern int i915_suspend_legacy(struct drm_device *dev, pm_message_t state);
+extern int i915_resume_legacy(struct drm_device *dev);
 extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
 extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);