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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