I am running archlinux, the firmware version is very new: linux-firmware-20180119.2a713be-1 On Mon, Jan 29, 2018 at 12:01 PM, Bridgman, John <John.Bridgman at amd.com> wrote: > Microcode for the GPU hardware blocks is not permanently updated in the > chip, but rather is loaded at power-up. Usually the files will be > distributed via a package with a name like linux-firmware. > > > > I didn't see a mention of which distro/version you are using but along > with new kernel you will need a relatively new version of linux-firmware. > > > > *From:* amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] *On Behalf > Of *Min Xu > *Sent:* Monday, January 29, 2018 2:57 PM > *To:* amd-gfx at lists.freedesktop.org > *Subject:* Strange issue on Vega 8 Mobile (HP Envy x360 Laptop) > > > > Dear AMD GFX developers, > > > > I just got a HP Envy x360 laptop and I am trying to run linux on it. I > want to first thank you all for the great work on the amdgpu driver. > Without it, people like me wants to run Linux would be stuck with windows. > > > > I suspect that my issue is a new issue that hasn't been reported before, > therefore, I am writing to you to see if there indeed is a new issue and > whether there is a workaround. > > > > I have compiled the latest kernel from the amd-staging-drm-next branch > last night. I think the kernel "works" with my GPU. The previous two > kernels I tried (4.14 and 4.15 final release) either doesn't support this > card or just simply hang the system most of the time. > > > > The issue I have is that the graphic card seems to never switch to the > high resolution mode of the monitor. The kernel would boot with the default > 800x600 VGA graphics and then stuck. The monitor continuous to display the > content written to the 800x600 console (some kernel booting messages) after > amdgpu takes over. I can see from kernel dmesg the amdgpu driver found my > card and initialized it and seems to be all happy about it. Yet, nothing > new is displayed on the monitor. The monitor just stuck at the content of > the 800x600 graphics. > > > > The keyboard works in this situation. Kernel is alive and I can reboot it > by pressing <ctrl>+<alt>+<del> and I saw from the log file the system > restarts just fine. > > > > I have tried different noobs of the amdgpu driver, like > amdgpu.exp_hw_support=1, si_support=0, etc. Nothing seems to work. I just > stuck with not able to switch to 1920x1080. > > > > I suspect that this is related to my firmware version. I confirmed the > latest firmware is installed on my /usr/lib/firmware/ dir. The reason I > suspect that it is a firmware issue is that I got the machine just 2 days > ago and I have updated windows 10 to build 1709, which is very new. I > suspect that windows have updated the GPU's firmware and the linux driver > isn't working with it. If so, is there a way to force a firmware load from > the linux side (i.e. a downgrade). > > > > Other users on the internet has report success with this particular > machine with 4.15 kernel. Given that 4.15 doesn't work for me, the only > thing that I could think of is the firmware version. > > > > Any other ideas? > > > > > > Thanks a lot, > > Min > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180129/f78202e1/attachment-0001.html>
