[Intel-gfx] [PATCH v5 12/22] drm/i915/dg1: Enable first 2 ports for DG1

[Lucas De Marchi]

From: Aditya Swarup <aditya.swarup at intel.com>

Enable PORTS A and B for DG1 initially, the other ports still need more
plumbing code in order to be enabled.

Cc: Clinton Taylor <Clinton.A.Taylor at intel.com>
Cc: Matt Roper <matthew.d.roper at intel.com>
Cc: Lucas De Marchi <lucas.demarchi at intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index db2a5a1a9b35..1d46c5712b3b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7231,6 +7231,9 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
 {
 	if (phy == PHY_NONE)
 		return false;
+	else if (IS_DG1(dev_priv))
+		/* FIXME: Enable only two ports for now */
+		return phy <= PHY_B;
 	else if (IS_ROCKETLAKE(dev_priv))
 		return phy <= PHY_D;
 	else if (IS_ELKHARTLAKE(dev_priv))
@@ -7243,7 +7246,7 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
 
 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
 {
-	if (IS_ROCKETLAKE(dev_priv))
+	if (IS_ROCKETLAKE(dev_priv) || IS_DG1(dev_priv))
 		return false;
 	else if (INTEL_GEN(dev_priv) >= 12)
 		return phy >= PHY_D && phy <= PHY_I;
@@ -16852,7 +16855,11 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
 	if (!HAS_DISPLAY(dev_priv) || !INTEL_DISPLAY_ENABLED(dev_priv))
 		return;
 
-	if (IS_ROCKETLAKE(dev_priv)) {
+	if (IS_DG1(dev_priv)) {
+		/* FIXME: Enable only two ports for now */
+		intel_ddi_init(dev_priv, PORT_A);
+		intel_ddi_init(dev_priv, PORT_B);
+	} else if (IS_ROCKETLAKE(dev_priv)) {
 		intel_ddi_init(dev_priv, PORT_A);
 		intel_ddi_init(dev_priv, PORT_B);
 		intel_ddi_init(dev_priv, PORT_D);	/* DDI TC1 */
-- 
2.26.2