[PATCH 2/8] drm/i915/mtl: Initial DDI port setup

Mika Kahola mika.kahola at intel.com
Tue Apr 4 10:32:31 UTC 2023


From: Clint Taylor <clinton.a.taylor at intel.com>

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.

Cc: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index b53a1d969344..4e52c6b19e74 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7802,7 +7802,11 @@ 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);
-- 
2.34.1



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