From: Manasi Navare <[email protected]>

This patch adds a proper HDMI DDI entry level for vswing
programming sequences on ICL.

Spec doesn't specify any default for HDMI tables,
so let's pick the last entry as the default for now
to stay consistent with older platform like CNL.

Cc: Paulo Zanoni <[email protected]>
Cc: Rakshmi Bhatia <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Signed-off-by: Manasi Navare <[email protected]>
---
 drivers/gpu/drm/i915/intel_ddi.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 1665bc588241..d8ae82001f83 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -915,7 +915,14 @@ static int intel_ddi_hdmi_level(struct drm_i915_private 
*dev_priv, enum port por
 
        level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
 
-       if (IS_CANNONLAKE(dev_priv)) {
+       if (IS_ICELAKE(dev_priv)) {
+               if (port == PORT_A || port == PORT_B)
+                       icl_get_combo_buf_trans(dev_priv, port,
+                                               INTEL_OUTPUT_HDMI, &n_entries);
+               else
+                       n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations);
+               default_entry = n_entries - 1;
+       } else if (IS_CANNONLAKE(dev_priv)) {
                cnl_get_buf_trans_hdmi(dev_priv, &n_entries);
                default_entry = n_entries - 1;
        } else if (IS_GEN9_LP(dev_priv)) {
-- 
2.14.3

_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to