[Intel-gfx] [PATCH 08/36] drm/i915: set the correct number of FDI lanes on Haswell

[Paulo Zanoni]

From: Paulo Zanoni <paulo.r.zanoni at intel.com>

Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index c397da3..e903502 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -193,7 +193,7 @@ void hsw_fdi_link_train(struct drm_crtc *crtc)
 		I915_WRITE(DDI_BUF_CTL(PORT_E),
 				temp |
 				DDI_BUF_CTL_ENABLE |
-				DDI_PORT_WIDTH_X2 |
+				((intel_crtc->fdi_lanes - 1) << 1) |
 				hsw_ddi_buf_ctl_values[i]);
 
 		udelay(600);
@@ -958,6 +958,7 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
 
 	} else if (type == INTEL_OUTPUT_ANALOG) {
 		temp |= TRANS_DDI_MODE_SELECT_FDI;
+		temp |= (intel_crtc->fdi_lanes - 1) << 1;
 
 	} else if (type == INTEL_OUTPUT_DISPLAYPORT ||
 		   type == INTEL_OUTPUT_EDP) {
-- 
1.7.11.4