[Intel-gfx] [PATCH v4 8/8] drm/i915: Remove vblank wait from hsw_enable_ips.

[Maarten Lankhorst]

intel_post_plane_update did an extra vblank wait that's no longer needed when enabling ips.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6bb1f5dbc7a0..19a8d376d63e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4569,9 +4569,6 @@ void hsw_enable_ips(struct intel_crtc *crtc)
 	if (!crtc->config->ips_enabled)
 		return;
 
-	/* We can only enable IPS after we enable a plane and wait for a vblank */
-	intel_wait_for_vblank(dev, crtc->pipe);
-
 	assert_plane_enabled(dev_priv, crtc->plane);
 	if (IS_BROADWELL(dev)) {
 		mutex_lock(&dev_priv->rps.hw_lock);
-- 
2.1.0