Do i literally just copy and paste this into the defconfig after deleting
all the old stuff in defconfig, then run those commands?

On Fri, Sep 4, 2026, 11:32 AM Matt DeVillier <[email protected]>
wrote:

> Please use text, not images - it's easier for everyone (including those
> using assistive technologies like screen readers).
>
> your defconfig is wrong for libgfxinit + vbt + edk2. Here's what I would
> recommend:
>
> CONFIG_VENDOR_HP=y
> CONFIG_CBFS_SIZE=0x400000
>
> CONFIG_INTEL_GMA_VBT_FILE="/home/serveradmin/coreboot-blobs/coreboot/vbt.bin"
>
> CONFIG_IFD_BIN_PATH="/home/serveradmin/coreboot-blobs/coreboot/descriptor.bin"
> CONFIG_ME_BIN_PATH="/home/serveradmin/coreboot-blobs/coreboot/me.bin"
> CONFIG_GBE_BIN_PATH="/home/serveradmin/coreboot-blobs/coreboot/gbe.bin"
> CONFIG_BOARD_HP_8470P=y
> CONFIG_HAVE_IFD_BIN=y
>
> CONFIG_EDK2_BOOTSPLASH_FILE="/home/serveradmin/coreboot-blobs/coreboot/logo.png"
> CONFIG_VALIDATE_INTEL_DESCRIPTOR=y
> CONFIG_KBC1126_FIRMWARE=y
>
> CONFIG_KBC1126_FW1="/home/serveradmin/coreboot-blobs/coreboot/ec_hp_kbc1126_fw1.bin"
>
> CONFIG_KBC1126_FW2="/home/serveradmin/coreboot-blobs/coreboot/ec_hp_kbc1126_fw2.bin"
> CONFIG_HAVE_ME_BIN=y
> CONFIG_HAVE_GBE_BIN=y
> CONFIG_INTEL_GMA_ADD_VBT=y
> CONFIG_PAYLOAD_EDK2=y
>
> Save that as your defconfig, then:
> cp defconfig .config
> make olddefconfig
> rf -rf ./build
> make
>
> that should fix the Windows display issue.
>
> On Fri, Sep 4, 2026 at 10:17 AM Logan Proctor <
> [email protected]> wrote:
>
>> Here!
>>
>>
>> On Fri, Sep 4, 2026, 11:05 AM Matt DeVillier <[email protected]>
>> wrote:
>>
>>> the latter. the command generates/saves a file called 'defconfig' in the
>>> coreboot root.
>>>
>>> On Fri, Sep 4, 2026 at 9:55 AM Logan Proctor <
>>> [email protected]> wrote:
>>>
>>>> I don't get anything from the command line. Do i run the command on my
>>>> elitebook, or the laptop i used to configure coreboot?
>>>>
>>>> On Fri, Sep 4, 2026, 9:28 AM Matt DeVillier <[email protected]>
>>>> wrote:
>>>>
>>>>> libgfxinit + vbt + edk is the right path. looking at the 8470p board
>>>>> in the tree, there isn't a data.vbt. so you need to extract the VBT from
>>>>> the vendor firmware and add vbt.bin to your config. Your defconfig should
>>>>> look something like this:
>>>>>
>>>>> CONFIG_VENDOR_HP=y
>>>>> # CONFIG_CONSOLE_SERIAL is not set
>>>>> CONFIG_INTEL_GMA_VBT_FILE="path/to/vbt.bin"
>>>>> CONFIG_BOARD_HP_8470P=y
>>>>> CONFIG_INTEL_GMA_ADD_VBT=y
>>>>> CONFIG_PAYLOAD_EDK2=y
>>>>>
>>>>> When the build is complete, vbt.bin should be shown in the cbfs
>>>>> listing.
>>>>>
>>>>> On Fri, Sep 4, 2026 at 7:53 AM Logan Proctor <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> At the moment, I'm using libgfxinit, but I've tried all three.
>>>>>> Libgfxinit is the only one that shows anything on screen at all. Ill send
>>>>>> that over later today! I have been using a vbt.bin, but i don't know if i
>>>>>> used it right. I'm new to this sort of thing
>>>>>>
>>>>>> On Fri, Sep 4, 2026, 8:02 AM Matt DeVillier <[email protected]>
>>>>>> wrote:
>>>>>>
>>>>>>> Windows going to a black screen when the Intel graphics driver
>>>>>>> loads means the the VBT (video BIOS tables) data is missing or invalid.
>>>>>>> Does your board have a data.vbt file, or are you including an external
>>>>>>> vbt.bin? Which display init type are you using? run 'make savedefconfig'
>>>>>>> and past the resulting defconfig file - the full config is unnecessary 
>>>>>>> and
>>>>>>> too long to parse.
>>>>>>>
>>>>>>> For the battery, that comes from ACPI, and is usually included with
>>>>>>> the ec code. Nothing you should have to do there. Could be the result 
>>>>>>> of an
>>>>>>> ACPI parsing issue, or something else. Would need to inspect your ACPI
>>>>>>> tables
>>>>>>>
>>>>>>> cheers,
>>>>>>> Matt
>>>>>>>
>>>>>>> On Thu, Sep 3, 2026 at 7:43 PM Logan Proctor <
>>>>>>> [email protected]> wrote:
>>>>>>>
>>>>>>>> Hello! Is this the right place?? I don't know how this works..
>>>>>>>> Anyways, I've been trying to get coreboot working on my hp elitebook 
>>>>>>>> 8470p
>>>>>>>> for about 2 weeks, and i eventually got it to boot, although no matter 
>>>>>>>> what
>>>>>>>> i try, if i install intel hd 4000 graphics drivers, Windows (windows 
>>>>>>>> 10 iot
>>>>>>>> enterprise LTSC) crashes, the screen goes black, and it eventually 
>>>>>>>> restarts
>>>>>>>> into the windows recovery mode. I can't seem to fix it. A less 
>>>>>>>> important
>>>>>>>> issue, is my battery isn't being detected in windows (when i boot into
>>>>>>>> Windows with Microsoft basic display adapter, because that works). 
>>>>>>>> It's not
>>>>>>>> a deal breaker if i don't get my battery working, but it'd be nice. I'm
>>>>>>>> using TianoCore, and i can send my .config file if you need it, or i 
>>>>>>>> can
>>>>>>>> just take pictures of it. Thanks!!
>>>>>>>> If you need anymore information, just let me know!
>>>>>>>> _______________________________________________
>>>>>>>> coreboot mailing list -- [email protected]
>>>>>>>> To unsubscribe send an email to [email protected]
>>>>>>>>
>>>>>>>
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