This should be already configured when FDI auto-negotiation is done.

Reviewed-by: Rodrigo Vivi <[email protected]>
Signed-off-by: Eugeni Dodonov <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 27f384d..758173d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2700,7 +2700,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
        I915_WRITE(TRANS_VSYNC(pipe),  I915_READ(VSYNC(pipe)));
        I915_WRITE(TRANS_VSYNCSHIFT(pipe),  I915_READ(VSYNCSHIFT(pipe)));
 
-       intel_fdi_normal_train(crtc);
+       if (!IS_HASWELL(dev))
+               intel_fdi_normal_train(crtc);
 
        /* For PCH DP, enable TRANS_DP_CTL */
        if (HAS_PCH_CPT(dev) &&
-- 
1.7.10

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