drm/i915: Add support for integrated HDMI on G4X hardware.

This is ported directly from the userland 2D driver code.  The HDMI audio bits
aren't hooked up yet.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1204d26b50db..67d06fd29d8c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -751,6 +751,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
                         is_lvds = true;
                         break;
                 case INTEL_OUTPUT_SDVO:
+                case INTEL_OUTPUT_HDMI:
                         is_sdvo = true;
                         break;
                 case INTEL_OUTPUT_DVO:
@@ -1443,8 +1444,15 @@ static void intel_setup_outputs(struct drm_device *dev)
                 intel_lvds_init(dev);
 
         if (IS_I9XX(dev)) {
-                intel_sdvo_init(dev, SDVOB);
-                intel_sdvo_init(dev, SDVOC);
+                int found;
+
+                found = intel_sdvo_init(dev, SDVOB);
+                if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+                        intel_hdmi_init(dev, SDVOB);
+
+                found = intel_sdvo_init(dev, SDVOC);
+                if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+                        intel_hdmi_init(dev, SDVOC);
         } else
                 intel_dvo_init(dev);
 
@@ -1458,6 +1466,11 @@ static void intel_setup_outputs(struct drm_device *dev)
 
                 /* valid crtcs */
                 switch(intel_output->type) {
+                case INTEL_OUTPUT_HDMI:
+                        crtc_mask = ((1 << 0)|
+                                     (1 << 1));
+                        clone_mask = ((1 << INTEL_OUTPUT_HDMI));
+                        break;
                 case INTEL_OUTPUT_DVO:
                 case INTEL_OUTPUT_SDVO:
                         crtc_mask = ((1 << 0)|