On Thu, Aug 30, 2018 at 11:41 AM nagaraj a <nagarajnn(a)gmail.com> wrote:
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
Correct me if I'm wrong.
On Thu, 30 Aug 2018, 8:57 pm Matt DeVillier, <matt.devillier(a)gmail.com>
> 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 <nagarajnn(a)gmail.com> wrote:
>> 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.
>> Nagaraj A
>> coreboot mailing list: coreboot(a)coreboot.org