Change in libgfxinit[master]: gma config: Introduce Has_Broadwell_DDI_Bufs

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/27050

Change subject: gma config: Introduce Has_Broadwell_DDI_Bufs
......................................................................

gma config: Introduce Has_Broadwell_DDI_Bufs

Change-Id: I8b17825006d35ec19ebf3e5a276aefa4d326fd73
Signed-off-by: Nico Huber 
---
M common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb
M common/hw-gfx-gma-config.ads.template
2 files changed, 20 insertions(+), 21 deletions(-)

git pull ssh://review.coreboot.org:29418/libgfxinit refs/changes/50/27050/1

diff --git a/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb b/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb
index baceb10..f345bc5 100644
--- a/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb
+++ b/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb
@@ -125,27 +125,25 @@
          else Config.Default_DDI_HDMI_Buffer_Translation);
    begin
       Trans :=
-        (case Config.CPU is
-            when Broadwell =>
-              (case Port is
-                  when DIGI_A =>
-                    (if Config.EDP_Low_Voltage_Swing
-                     then Broadwell_Trans_EDP
-                     else Broadwell_Trans_DP),
-                  when DIGI_B .. DIGI_D   => Broadwell_Trans_DP,
-                  when DIGI_E             => Broadwell_Trans_FDI),
-            when others =>
-              (case Port is
-                  when DIGI_A .. DIGI_D   => Haswell_Trans_DP,
-                  when DIGI_E             => Haswell_Trans_FDI));
-      case Config.CPU is
-         when Broadwell =>
-            Trans (18) := Broadwell_Trans_HDMI (HDMI_Trans).Trans1;
-            Trans (19) := Broadwell_Trans_HDMI (HDMI_Trans).Trans2;
-         when others =>
-            Trans (18) := Haswell_Trans_HDMI (HDMI_Trans).Trans1;
-            Trans (19) := Haswell_Trans_HDMI (HDMI_Trans).Trans2;
-      end case;
+        (if Config.Has_Broadwell_DDI_Bufs then
+           (case Port is
+               when DIGI_A =>
+                 (if Config.EDP_Low_Voltage_Swing
+                  then Broadwell_Trans_EDP
+                  else Broadwell_Trans_DP),
+               when DIGI_B .. DIGI_D   => Broadwell_Trans_DP,
+               when DIGI_E             => Broadwell_Trans_FDI)
+         else
+           (case Port is
+               when DIGI_A .. DIGI_D   => Haswell_Trans_DP,
+               when DIGI_E             => Haswell_Trans_FDI));
+      if Config.Has_Broadwell_DDI_Bufs then
+         Trans (18) := Broadwell_Trans_HDMI (HDMI_Trans).Trans1;
+         Trans (19) := Broadwell_Trans_HDMI (HDMI_Trans).Trans2;
+      else
+         Trans (18) := Haswell_Trans_HDMI (HDMI_Trans).Trans1;
+         Trans (19) := Haswell_Trans_HDMI (HDMI_Trans).Trans2;
+      end if;
    end Translations;

end HW.GFX.GMA.Connectors.DDI.Buffers;
diff --git a/common/hw-gfx-gma-config.ads.template b/common/hw-gfx-gma-config.ads.template
index af55575..7548ce5 100644
--- a/common/hw-gfx-gma-config.ads.template
+++ b/common/hw-gfx-gma-config.ads.template
@@ -113,6 +113,7 @@

Has_DDI_Buffer_Trans    : constant Boolean := CPU >= Haswell and
                                                  CPU /= Broxton;
+   Has_Broadwell_DDI_Bufs  : constant Boolean := CPU = Broadwell;
    Has_Low_Voltage_Swing   : constant Boolean := CPU >= Broxton;
    Has_Iboost_Config       : constant Boolean := CPU >= Skylake;