Patrick Rudolph (siro@das-labor.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14188 -gerrit commit 6ea9ee72d6f85001ec52a844a4105580c064f9e7 Author: Patrick Rudolph <siro@das-labor.org> Date: Wed Mar 30 17:59:09 2016 +0200 intel/gma: Fix VBT generation The log shows the following error on systems that use the native gfx init. The error isn't shown using the VBIOS blob: GET_VBIOS: aa55 8086 0 3 0 VBIOS not found. Don't shift the class-code, as it's already shifted by the PCI layer. Tested-on: x220 Tested-by: Alexander Couzens <lynxis@fe80.eu> Change-Id: I69018940dd51966b45774e0576a1380f90716dce Signed-off-by: Patrick Rudolph <siro@das-labor.org> --- src/drivers/intel/gma/vbt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/drivers/intel/gma/vbt.c b/src/drivers/intel/gma/vbt.c index 1993793..e768402 100644 --- a/src/drivers/intel/gma/vbt.c +++ b/src/drivers/intel/gma/vbt.c @@ -93,9 +93,9 @@ generate_fake_intel_oprom(const struct i915_gpu_controller_info *conf, pcir->device = dev->device; pcir->length = sizeof(*pcir); pcir->revision = dev->class; - pcir->classcode[0] = dev->class >> 8; - pcir->classcode[1] = dev->class >> 16; - pcir->classcode[2] = dev->class >> 24; + pcir->classcode[0] = dev->class; + pcir->classcode[1] = dev->class >> 8; + pcir->classcode[2] = dev->class >> 16; pcir->indicator = 0x80; vbt_size = generate_vbt (conf, (void *)(PCI_VGA_RAM_IMAGE_START + 0x80), idstr);