diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 76 |
1 files changed, 49 insertions, 27 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 01de977..b06e975 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -494,6 +494,10 @@ bool i915_semaphore_is_enabled(struct drm_device *dev) return true; } + +static int intel_suspend_complete(struct drm_i915_private *dev_priv); +static int intel_resume_prepare(struct drm_i915_private *dev_priv); + static int i915_drm_freeze(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -959,14 +963,14 @@ static int i915_pm_poweroff(struct device *dev) return i915_drm_freeze(drm_dev); } -static int hsw_runtime_suspend(struct drm_i915_private *dev_priv) +static int hsw_suspend_complete(struct drm_i915_private *dev_priv) { hsw_enable_pc8(dev_priv); return 0; } -static int snb_runtime_resume(struct drm_i915_private *dev_priv) +static int snb_resume_prepare(struct drm_i915_private *dev_priv) { struct drm_device *dev = dev_priv->dev; @@ -975,7 +979,7 @@ static int snb_runtime_resume(struct drm_i915_private *dev_priv) return 0; } -static int hsw_runtime_resume(struct drm_i915_private *dev_priv) +static int hsw_resume_prepare(struct drm_i915_private *dev_priv) { hsw_disable_pc8(dev_priv); @@ -1271,7 +1275,7 @@ static void vlv_check_no_gt_access(struct drm_i915_private *dev_priv) I915_WRITE(VLV_GTLC_PW_STATUS, VLV_GTLC_ALLOWWAKEERR); } -static int vlv_runtime_suspend(struct drm_i915_private *dev_priv) +static int vlv_suspend_complete(struct drm_i915_private *dev_priv) { u32 mask; int err; @@ -1311,7 +1315,7 @@ err1: return err; } -static int vlv_runtime_resume(struct drm_i915_private *dev_priv) +static int vlv_resume_prepare(struct drm_i915_private *dev_priv) { struct drm_device *dev = dev_priv->dev; int err; @@ -1389,17 +1393,7 @@ static int intel_runtime_suspend(struct device *device) cancel_work_sync(&dev_priv->rps.work); intel_runtime_pm_disable_interrupts(dev); - if (IS_GEN6(dev)) { - ret = 0; - } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { - ret = hsw_runtime_suspend(dev_priv); - } else if (IS_VALLEYVIEW(dev)) { - ret = vlv_runtime_suspend(dev_priv); - } else { - ret = -ENODEV; - WARN_ON(1); - } - + ret = intel_suspend_complete(dev_priv); if (ret) { DRM_ERROR("Runtime suspend failed, disabling it (%d)\n", ret); intel_runtime_pm_restore_interrupts(dev); @@ -1437,17 +1431,7 @@ static int intel_runtime_resume(struct device *device) intel_opregion_notify_adapter(dev, PCI_D0); dev_priv->pm.suspended = false; - if (IS_GEN6(dev)) { - ret = snb_runtime_resume(dev_priv); - } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { - ret = hsw_runtime_resume(dev_priv); - } else if (IS_VALLEYVIEW(dev)) { - ret = vlv_runtime_resume(dev_priv); - } else { - WARN_ON(1); - ret = -ENODEV; - } - + ret = intel_resume_prepare(dev_priv); /* * No point of rolling back things in case of an error, as the best * we can do is to hope that things will still work (and disable RPM). @@ -1466,6 +1450,44 @@ static int intel_runtime_resume(struct device *device) return ret; } +static int intel_suspend_complete(struct drm_i915_private *dev_priv) +{ + struct drm_device *dev = dev_priv->dev; + int ret; + + if (IS_GEN6(dev)) { + ret = 0; + } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { + ret = hsw_suspend_complete(dev_priv); + } else if (IS_VALLEYVIEW(dev)) { + ret = vlv_suspend_complete(dev_priv); + } else { + ret = -ENODEV; + WARN_ON(1); + } + + return ret; +} + +static int intel_resume_prepare(struct drm_i915_private *dev_priv) +{ + struct drm_device *dev = dev_priv->dev; + int ret; + + if (IS_GEN6(dev)) { + ret = snb_resume_prepare(dev_priv); + } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { + ret = hsw_resume_prepare(dev_priv); + } else if (IS_VALLEYVIEW(dev)) { + ret = vlv_resume_prepare(dev_priv); + } else { + WARN_ON(1); + ret = -ENODEV; + } + + return ret; +} + static const struct dev_pm_ops i915_pm_ops = { .suspend = i915_pm_suspend, .suspend_late = i915_pm_suspend_late, |
