I don't think this is necessary; at least it doesn't appear to be on my
BYT. Dropping it speeds up our shutdown code a little, in some cases
resulting in faster init times.
Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e48d47c..728a5db 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2756,9 +2756,6 @@ intel_dp_link_down(struct intel_dp *intel_dp)
}
POSTING_READ(intel_dp->output_reg);
- /* We don't really know why we're doing this */
- intel_wait_for_vblank(dev, intel_crtc->pipe);
-
if (HAS_PCH_IBX(dev) &&
I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) {
struct drm_crtc *crtc = intel_dig_port->base.base.crtc;
--
1.8.4.2
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