gma500: Program the DPLL lane based on the selected digitial port

Based on the spec, the CRT output doesn't use the lane. And the HDMI B output
uses the Lane0/1 while the HDMI C output uses the Lane 2/3. But currently
it will program all the four lanes for the CRT/HDMI.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[Ported to the in-kernel driver]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h
index ebe1a28f60e1..7b357b04d4e2 100644
--- a/drivers/gpu/drm/gma500/psb_intel_drv.h
+++ b/drivers/gpu/drm/gma500/psb_intel_drv.h
@@ -133,6 +133,11 @@ struct psb_intel_encoder {
         void (*hot_plug)(struct psb_intel_encoder *);
         int crtc_mask;
         int clone_mask;
+        u32 ddi_select; /* Channel info */
+#define DDI0_SELECT     0x01
+#define DDI1_SELECT     0x02
+#define DP_MASK         0x8000; 
+#define DDI_MASK        0x03
         void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
 
         /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's