summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_ddi.c
diff options
context:
space:
mode:
authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-11-01 18:45:04 -0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-11-11 23:51:32 +0100
commit349d7e5d7b27ee7b0b596ef1047e5c63908597fa (patch)
tree54e04d563f53bd3b93210740a5f69ef9e82e52fd /drivers/gpu/drm/i915/intel_ddi.c
parent3107bd48bfaf5ffe47c9c719c5f821c7cce0ca61 (diff)
downloadlwn-349d7e5d7b27ee7b0b596ef1047e5c63908597fa.tar.gz
lwn-349d7e5d7b27ee7b0b596ef1047e5c63908597fa.zip
drm/i915: set the correct number of FDI lanes on Haswell
We had 2 places using X2 and one place using X1. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 67bd6ba64a35..a7a555f766eb 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -171,7 +171,7 @@ 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);
@@ -193,7 +193,7 @@ void hsw_fdi_link_train(struct drm_crtc *crtc)
FDI_RX_ENABLE |
FDI_LINK_TRAIN_PATTERN_1_CPT |
FDI_RX_ENHANCE_FRAME_ENABLE |
- FDI_PORT_WIDTH_2X_LPT |
+ ((intel_crtc->fdi_lanes - 1) << 19) |
FDI_RX_PLL_ENABLE);
POSTING_READ(reg);
udelay(100);
@@ -952,6 +952,7 @@ 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) {