drm/i915: do not use fdi_normal_train on Haswell
This should be already configured when FDI auto-negotiation is done.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6b93d4a..cc910e6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2679,7 +2679,8 @@
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) &&