drm/i915/mtl: Initial DDI port setup

Initialization sequences and C10 phy are in place to be able to enable
the first 2 ports of MTL. The other ports use C20 phy that still need
to be properly added. Enable the first ports for now, keeping a TODO
comment about the others.

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413212443.1504245-10-radhakrishna.sripada@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 0334565cec8242f793fc37df1ba5717ad57550dd..2d4215862ed314f3c9fb9e15926b723e0f59fcd2 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7801,7 +7801,11 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
        if (!HAS_DISPLAY(dev_priv))
                return;
 
-       if (IS_DG2(dev_priv)) {
+       if (IS_METEORLAKE(dev_priv)) {
+               /* TODO: initialize TC ports as well */
+               intel_ddi_init(dev_priv, PORT_A);
+               intel_ddi_init(dev_priv, PORT_B);
+       } else if (IS_DG2(dev_priv)) {
                intel_ddi_init(dev_priv, PORT_A);
                intel_ddi_init(dev_priv, PORT_B);
                intel_ddi_init(dev_priv, PORT_C);