[coreboot-gerrit] Change in libgfxinit[master]: gma hsw+: Revise Has_DDI_D flag

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/20820

Change subject: gma hsw+: Revise Has_DDI_D flag
......................................................................

gma hsw+: Revise Has_DDI_D flag

The GFX Programmer's Reference Manuals (PRMs) aren't clear on this but
it's pretty clear from the processor datasheets which SKUs expose which
pins: All U/Y processors lack DDI D.

Change-Id: I84c40b6bc01091de8a512e21354243c74643e0f5
Signed-off-by: Nico Huber 
---
M common/hw-gfx-gma-config.ads.template
1 file changed, 5 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/libgfxinit refs/changes/20/20820/1

diff --git a/common/hw-gfx-gma-config.ads.template b/common/hw-gfx-gma-config.ads.template
index 2bb916a..aba00bb 100644
--- a/common/hw-gfx-gma-config.ads.template
+++ b/common/hw-gfx-gma-config.ads.template
@@ -86,15 +86,15 @@
                                                   and CPU_Var = ULT) or
                                                  CPU >= Skylake;

-   Has_DDI_D               : constant Boolean := (CPU in Haswell .. Broadwell
-                                                  and CPU_Var = Normal)
-                                                 or CPU >= Skylake;
+   Has_DDI_PHYs            : constant Boolean := CPU = Broxton;
+
+   Has_DDI_D               : constant Boolean := CPU >= Haswell and
+                                                 CPU_Var = Normal and
+                                                 not Has_DDI_PHYs;

Has_Low_Voltage_Swing   : constant Boolean := CPU >= Broxton;

Need_DP_Aux_Mutex       : constant Boolean := False; -- Skylake & (PSR | GTC)
-
-   Has_DDI_PHYs            : constant Boolean := CPU = Broxton;

----- GMBUS: -----------
    Ungate_GMBUS_Unit_Level : constant Boolean := CPU >= Skylake;