drm/i915: enable HDMI on Cougarpoint
Fix transcoder select bit for HDMI on CPT.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 78cb775..5ff5802 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -61,8 +61,12 @@
if (hdmi_priv->has_hdmi_sink)
sdvox |= SDVO_AUDIO_ENABLE;
- if (intel_crtc->pipe == 1)
- sdvox |= SDVO_PIPE_B_SELECT;
+ if (intel_crtc->pipe == 1) {
+ if (HAS_PCH_CPT(dev))
+ sdvox |= PORT_TRANS_B_SEL_CPT;
+ else
+ sdvox |= SDVO_PIPE_B_SELECT;
+ }
I915_WRITE(hdmi_priv->sdvox_reg, sdvox);
POSTING_READ(hdmi_priv->sdvox_reg);