Hi Mario,
Could you please file a bugzilla entry following
https://01.org/linuxgraphics/documentation/how-report-bugs
?
Do you recall what kernel version you had before Apr-10?
Thanks,
Rodrigo.
On Fri, Apr 12, 2019 at 10:22:53AM +, ^-¨ Mário Lopes wrote:
> Package: linux-image-4.19.0-0.bpo.4-amd64
> Version: 4.19.28-2~bpo9+1
> X-Debbugs-CC: ibm-a...@hmh.eng.br, ibm-acpi-de...@lists.sourceforge.net,
> platform-driver-...@vger.kernel.org, intel-...@lists.freedesktop.org
>
> Dear Maintainer,
>
> I have a Lenovo ThinkPad T480s with Intel GFX and a Lenovo ThinkPad Ultra
> Docking Station.
> I'm using an LG monitor connected to Display Port of docking station, at
> 1080p@60Hz, configured as primary monitor.
> I'm also using a HannStar monitor, connected to VGA port of docking station,
> at 1280x1024@75Hz, configured as secondary monitor.
> The built-in T480s screen is also active, at 2K, configured as secondary
> monitor.
>
> Since updates available at 10/April, I need to reconnect the VGA cable to use
> the monitor after cold start. Sometimes, it's also needed to reboot the
> laptop.
> The same also happens when I lock the computer, only when monitors enter in
> suspend mode and when I got into lock screen, the VGA monitor doesn't receive
> any signal, so VGA reconnection or system reboot is needed. The workaround
> for this is just to lock without sending suspending commands to monitors.
>
> I didn't saw any relevant information on dmesg output, but I can provide
> relevant info from this or other place if needed.
>
> Before 10/April, it was only needed to reconnect VGA, let's say, one per week.
>
> Thanks.
>
>
> Best regards,
> Mário J. Lopes
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