drm/i915: Remove double wait_for_vblank on broadwell.

wait_vblank is already set in intel_plane_atomic_calc_changes
for broadwell, waiting for a double vblank is overkill.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447945645-32005-5-git-send-email-maarten.lankhorst@linux.intel.com

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f118f7e..c6854de 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4709,14 +4709,6 @@ intel_post_enable_primary(struct drm_crtc *crtc)
        int pipe = intel_crtc->pipe;
 
        /*
-        * BDW signals flip done immediately if the plane
-        * is disabled, even if the plane enable is already
-        * armed to occur at the next vblank :(
-        */
-       if (IS_BROADWELL(dev))
-               intel_wait_for_vblank(dev, pipe);
-
-       /*
         * FIXME IPS should be fine as long as one plane is
         * enabled, but in practice it seems to have problems
         * when going from primary only to sprite only and vice