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commit 6fea140574d51608a219c0074d8e14e5509d5b3a
parent 2c4808a61bc5446f93aed220ea8706addca8ca34
Author: Leah Rowe <info@minifree.org>
Date:   Fri,  9 Sep 2016 22:45:13 +0100

i945: add fake vbt (needed for external screens) (patch from Arthur Heymans)

Diffstat:
resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/macbook21/reused.list | 1+
resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/t60/reused.list | 1+
resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0007-i945-gma.c-generate-fake-VBT.patch | 43+++++++++++++++++++++++++++++++++++++++++++
3 files changed, 45 insertions(+), 0 deletions(-)

diff --git a/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/macbook21/reused.list b/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/macbook21/reused.list @@ -2,3 +2,4 @@ /resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch /resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0005-i945-gma.c-use-latest-linux-code-to-calculate-diviso.patch /resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0006-i945-gma.c-add-native-VGA-init.patch +/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0007-i945-gma.c-generate-fake-VBT.patch diff --git a/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/t60/reused.list b/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/t60/reused.list @@ -4,3 +4,4 @@ /resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch /resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0005-i945-gma.c-use-latest-linux-code-to-calculate-diviso.patch /resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0006-i945-gma.c-add-native-VGA-init.patch +/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0007-i945-gma.c-generate-fake-VBT.patch diff --git a/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0007-i945-gma.c-generate-fake-VBT.patch b/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0007-i945-gma.c-generate-fake-VBT.patch @@ -0,0 +1,43 @@ +From 60cc2c4532f63a40486b7c4e891fb87fb6d4ab7f Mon Sep 17 00:00:00 2001 +From: Arthur Heymans <arthur@aheymans.xyz> +Date: Wed, 7 Sep 2016 22:10:57 +0200 +Subject: [PATCH] i945/gma.c: generate fake VBT + +This generates a fake VBT for the Intel i945 graphic device. +i945 supports both the mobile chipset 945gm (calistoga) +and the desktop chipset 945gc (lakeport), +which is why a VBT with a different id string +needs to be created for each target. + +The VBT id string is obtained from the vbios blob in the following way: +"strings vbios.bin | grep VBT". + +Change-Id: I8245b12b16a4426efbe1f584d4163fc257231a98 +Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> +--- + src/northbridge/intel/i945/gma.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c +index 02caa0a..f0944b9 100644 +--- a/src/northbridge/intel/i945/gma.c ++++ b/src/northbridge/intel/i945/gma.c +@@ -433,6 +433,15 @@ static void gma_func0_init(struct device *dev) + iobase, mmiobase, graphics_base); + if (err == 0) + gfx_set_init_done(1); ++ /* Linux relies on VBT for panel info. */ ++ if (CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM) { ++ generate_fake_intel_oprom(&conf->gfx, dev, ++ "$VBT CALISTOGA "); ++ } ++ if (CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC) { ++ generate_fake_intel_oprom(&conf->gfx, dev, ++ "$VBT LAKEPORT-G "); ++ } + #endif + } + +-- +2.9.3 +