On Thu, Aug 30, 2018 at 11:41 AM nagaraj a <[email protected]> wrote:
> Hi DeVillier, > > Thanks a lot for the kind response. > > << > Windows is fine as long as valid VBT data has been loaded into the Intel > ACPI OpRegion, and the OpRegion is valid/has been fully populated. > >> > > For the above note this holds good for already installed OS. > > In case if we are trying to install windows OS for the first time and GOP > driver is not loaded for the Intel iGPU in that case I understand there > will be blank out. > I'd have to test to be sure, but that sounds correct. I know the Windows installer uses a basic driver of some sort, and likely assumes a working framebuffer exists > > Correct me if I'm wrong. > > //BR > Nagaraj A > > > On Thu, 30 Aug 2018, 8:57 pm Matt DeVillier, <[email protected]> > wrote: > >> with Intel iGPUs and using Tianocore UEFI payload, Linux is fine >> regardless if the display is initialized or not by GOP driver. Windows is >> fine as long as valid VBT data has been loaded into the Intel ACPI >> OpRegion, and the OpRegion is valid/has been fully populated. >> >> On Thu, Aug 30, 2018 at 7:57 AM nagaraj a <[email protected]> wrote: >> >>> All, >>> >>> I have query regarding GOP driver in UEFI. Here is query details. >>> >>> If BIOS don't load UEFI GOP driver for GPU and system boots into OS. >>> Will latest windows /linux OS will be up with display or the display >>> will be blank out. >>> >>> //BR >>> Nagaraj A >>> >>> -- >>> coreboot mailing list: [email protected] >>> https://mail.coreboot.org/mailman/listinfo/coreboot >> >>
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