Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-31 Thread Zoran Stojsavljevic
> You would have more luck posting on the vfio-users mailing list, the vfio core developer responds to every question there. After all, this is BDW (Core 5) platform. Some INTEL people should be also trying to answer this thread/reveal some mysteries, don't you think, Taiidan?! Zoran On Fri, Mar

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread taii...@gmx.com
This is indicative of a graphics device without FLR or with a broken reset mechanism. You would have more luck posting on the vfio-users mailing list, the vfio core developer responds to every question there. -- coreboot mailing list: coreboot@coreboot.org https://www.coreboot.org/mailman/lis

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Zoran Stojsavljevic
> So long as you don't have to kill anyone to get the info, I genuinely appreciate the help. Question: did you ever kill... Pulling your leg! :-))) ___ Back on the topic/thread: [1] What kind of VM? [2] Does your VM use PCIe Pass-through method (I guess, you must have also in BIOS IOMMU/VT-d

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Zoran Stojsavljevic
Joshua, (did you ever watch some James Bond movie with idiom: "if I tell you, then I must kill you?) 👻 > AFAIK, Windows doesn't need a virgin state but the state the VBIOS / GOP > driver usually leaves the hardware in. Plus a Video BIOS Table (VBT) > with some hints about a board's specifics. Wha

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Nico Huber
Hi JP, On 30.03.2017 17:48, Joshua Pincus wrote: > Hi Zoran, > > Thanks for your reply. > > My situation is this: When the VM guest comes up the first time from a > system-level reset (aka power on), the Broadwell HD graphics device runs > fine. I see basic VGA both before and during the boot o

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Joshua Pincus
Hi Zoran, So long as you don't have to kill anyone to get the info, I genuinely appreciate the help. JP On Thu, Mar 30, 2017 at 9:54 AM, Zoran Stojsavljevic < zoran.stojsavlje...@gmail.com> wrote: > OK, Joshua! > > I do not promise anything. But I, out of (your) desperation, will try to > find a

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Zoran Stojsavljevic
OK, Joshua! I do not promise anything. But I, out of (your) desperation, will try to find answers for you. If (no promise)... If I (eventually) return back, I have only one condition for you: NEVER ask how I found (any future) answer for/to you! Thank you, Zoran On Thu, Mar 30, 2017 at 5:48 PM,

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Joshua Pincus
Hi Zoran, Thanks for your reply. My situation is this: When the VM guest comes up the first time from a system-level reset (aka power on), the Broadwell HD graphics device runs fine. I see basic VGA both before and during the boot of Windows. Once Windows boots, the HD graphics device is config

Re: [coreboot] Question about Intel HD graphics and FLR

2017-03-30 Thread Zoran Stojsavljevic
Hello Joshua, I'll ask similar question, considering UEFI (BIOS). I have no idea if you can issue somehow easy FLR (PCI Function Level Reset), but if you can, does this use case repeat itself? I found, related to BIOS, this pointer ( http://www.tomshardware.co.uk/forum/278002-30-solved-what-capab

[coreboot] Question about Intel HD graphics and FLR

2017-03-29 Thread Joshua Pincus
Hi, After performing just an FLR (PCI function level reset) of a Gen8 Intel HD graphics device, there's no VGA output from the device, no matter what I try to do. I've had coreboot reset the graphics control register, VGA control, VGA display disable bit, etc. Has anyone seen anything like this?