diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 4ecc47468a9e..a2adfa36d83b 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4908,6 +4908,57 @@ unlock: mutex_unlock(&dev_priv->drrs.mutex); } +void intel_edp_drrs_invalidate(struct drm_device *dev, + unsigned frontbuffer_bits) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; + enum pipe pipe; + + if (!dev_priv->drrs.dp) + return; + + mutex_lock(&dev_priv->drrs.mutex); + crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc; + pipe = to_intel_crtc(crtc)->pipe; + + if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) { + cancel_delayed_work_sync(&dev_priv->drrs.work); + intel_dp_set_drrs_state(dev_priv->dev, + dev_priv->drrs.dp->attached_connector->panel. + fixed_mode->vrefresh); + } + + frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe); + + dev_priv->drrs.busy_frontbuffer_bits |= frontbuffer_bits; + mutex_unlock(&dev_priv->drrs.mutex); +} + +void intel_edp_drrs_flush(struct drm_device *dev, + unsigned frontbuffer_bits) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; + enum pipe pipe; + + if (!dev_priv->drrs.dp) + return; + + mutex_lock(&dev_priv->drrs.mutex); + crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc; + pipe = to_intel_crtc(crtc)->pipe; + dev_priv->drrs.busy_frontbuffer_bits &= ~frontbuffer_bits; + + cancel_delayed_work_sync(&dev_priv->drrs.work); + + if (dev_priv->drrs.refresh_rate_type != DRRS_LOW_RR && + !dev_priv->drrs.busy_frontbuffer_bits) + schedule_delayed_work(&dev_priv->drrs.work, + msecs_to_jiffies(1000)); + mutex_unlock(&dev_priv->drrs.mutex); +} + static struct drm_display_mode * intel_dp_drrs_init(struct intel_connector *intel_connector, struct drm_display_mode *fixed_mode) |