From 5245fc6a5864643a0aa83bed0cc7da57015e254d Mon Sep 17 00:00:00 2001
From: Janne Grunau <j@jannau.net>
Date: Sat, 25 Nov 2023 20:07:48 +0100
Subject: [PATCH] dcp: Pass the die number for dptx' connectTo method

Apperently just informative as display init on M2 Ultra in m1n1 worked
as expected despite passing '0' as die number.

Signed-off-by: Janne Grunau <j@jannau.net>
---
 src/dcp.c              | 4 +++-
 src/dcp.h              | 1 +
 src/dcp/dptx_port_ep.c | 4 ++--
 src/dcp/dptx_port_ep.h | 2 +-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/dcp.c b/src/dcp.c
index 8cccf4f56..1a931e73a 100644
--- a/src/dcp.c
+++ b/src/dcp.c
@@ -55,6 +55,8 @@ static int dcp_hdmi_dptx_init(dcp_dev_t *dcp, const display_config_t *cfg)
         }
     }
 
+    dcp->die = cfg->die;
+
     dcp->phy = dptx_phy_init(cfg->dptx_phy, cfg->dcp_index);
     if (!dcp->phy) {
         printf("dcp: failed to init (lp)dptx-phy '%s'\n", cfg->dptx_phy);
@@ -93,7 +95,7 @@ static int dcp_hdmi_dptx_init(dcp_dev_t *dcp, const display_config_t *cfg)
 int dcp_connect_dptx(dcp_dev_t *dcp)
 {
     if (dcp->dptx_ep && dcp->phy) {
-        return dcp_dptx_connect(dcp->dptx_ep, dcp->phy, 0);
+        return dcp_dptx_connect(dcp->dptx_ep, dcp->phy, dcp->die, 0);
     }
 
     return 0;
diff --git a/src/dcp.h b/src/dcp.h
index fb323184c..12cd4f7aa 100644
--- a/src/dcp.h
+++ b/src/dcp.h
@@ -35,6 +35,7 @@ typedef struct dcp_dev {
     dcp_dpav_if_t *dpav_ep;
     dcp_dptx_if_t *dptx_ep;
     dptx_phy_t *phy;
+    u32 die;
     u32 dp2hdmi_pwr_gpio;
     u32 hdmi_pwr_gpio;
 } dcp_dev_t;
diff --git a/src/dcp/dptx_port_ep.c b/src/dcp/dptx_port_ep.c
index cfe0deb30..1b52ddb9a 100644
--- a/src/dcp/dptx_port_ep.c
+++ b/src/dcp/dptx_port_ep.c
@@ -510,7 +510,7 @@ static const afk_epic_service_ops_t dcp_dptx_ops[] = {
     {},
 };
 
-int dcp_dptx_connect(dcp_dptx_if_t *dptx, dptx_phy_t *phy, u32 port)
+int dcp_dptx_connect(dcp_dptx_if_t *dptx, dptx_phy_t *phy, u32 die, u32 port)
 {
     if (port > 1)
         return -1;
@@ -521,7 +521,7 @@ int dcp_dptx_connect(dcp_dptx_if_t *dptx, dptx_phy_t *phy, u32 port)
 
     dptx->port[port].phy = dptx->phy = phy;
 
-    dptxport_connect(dptx->port[port].service, 0, dptx_phy_dcp_output(phy), 0);
+    dptxport_connect(dptx->port[port].service, 0, dptx_phy_dcp_output(phy), die);
     dptxport_request_display(dptx->port[port].service);
 
     return 0;
diff --git a/src/dcp/dptx_port_ep.h b/src/dcp/dptx_port_ep.h
index 5a1eff139..2acd57653 100644
--- a/src/dcp/dptx_port_ep.h
+++ b/src/dcp/dptx_port_ep.h
@@ -55,7 +55,7 @@ enum dptx_link_rate {
 dcp_dptx_if_t *dcp_dptx_init(dcp_dev_t *dcp, u32 num_dptxports);
 int dcp_dptx_shutdown(dcp_dptx_if_t *dptx);
 
-int dcp_dptx_connect(dcp_dptx_if_t *dptx, dptx_phy_t *phy, u32 port);
+int dcp_dptx_connect(dcp_dptx_if_t *dptx, dptx_phy_t *phy, u32 die, u32 port);
 int dcp_dptx_hpd(dcp_dptx_if_t *dptx, u32 port, bool hpd);
 int dcp_dptx_disconnect(dcp_dptx_if_t *dptx, u32 port);
 int dcp_dptx_hpd(dcp_dptx_if_t *dptx, u32 port, bool hpd);