Merge pull request 'Fix E6400 display reference clock patches' (#214) from nic3-14159/lbmk:fix-e6400-igpu-ref-clock into master

Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/214

config/coreboot/dell/patches/0010-mb-dell-e6400-Use-100-MHz-reference-clock-for-displa.patch

@@ -1,4 +1,4 @@
-From c35d431a0f1b326b18cd5bbb7d1d49e67d3309bd Mon Sep 17 00:00:00 2001
+From 6f4968919cf4e801caacf8392492457b79efa9c6 Mon Sep 17 00:00:00 2001
 From: Nicholas Chin <nic.c3.14@gmail.com>
 Date: Mon, 20 May 2024 10:24:16 -0600
 Subject: [PATCH] mb/dell/e6400: Use 100 MHz reference clock for display
@@ -14,8 +14,9 @@ display in the pre-OS graphics environment provided by libgfxinit.
 
 Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
 ---
- src/mainboard/dell/e6400/Kconfig | 3 +++
- 1 file changed, 3 insertions(+)
+ src/mainboard/dell/e6400/Kconfig   | 3 +++
+ src/northbridge/intel/gm45/Kconfig | 4 ++++
+ 2 files changed, 7 insertions(+)
 
 diff --git a/src/mainboard/dell/e6400/Kconfig b/src/mainboard/dell/e6400/Kconfig
 index 034de4be2b..4cb16af697 100644
@@ -31,6 +32,21 @@ index 034de4be2b..4cb16af697 100644
  config MAINBOARD_DIR
  	default "dell/e6400"
  
+diff --git a/src/northbridge/intel/gm45/Kconfig b/src/northbridge/intel/gm45/Kconfig
+index 2a266b9771..2432c9d78e 100644
+--- a/src/northbridge/intel/gm45/Kconfig
++++ b/src/northbridge/intel/gm45/Kconfig
+@@ -13,6 +13,10 @@ config NORTHBRIDGE_INTEL_GM45
+ 
+ if NORTHBRIDGE_INTEL_GM45
+ 
++config INTEL_GMA_DPLL_REF_FREQ
++	int
++	default 96000000
++
+ config VBOOT
+ 	select VBOOT_STARTS_IN_BOOTBLOCK
+ 
 -- 
 2.45.1
 

config/submodule/coreboot/dell/libgfxinit/patches/0001-g45-hw-gfx-gma-plls.adb-Make-reference-clock-frequen.patch

@@ -23,7 +23,7 @@ index 67242f2..1aee576 100644
  -- GNU General Public License for more details.
  --
  
-+with CB.Config
++with CB.Config;
 +
  with HW.Time;
  with HW.GFX.GMA.Config;