[Intel-gfx] i915 w/5.19: wild flickering glitching technicolor pyrotechnics on resumption from suspend

[Saarinen, Jani]

Hi, 
Please file issue at: https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs 

Br,

Jani Saarinen
Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo



> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Jason A.
> Donenfeld
> Sent: torstai 9. kesäkuuta 2022 0.32
> To: dri-devel <dri-devel at lists.freedesktop.org>; intel-gfx at lists.freedesktop.org
> Subject: [Intel-gfx] i915 w/5.19: wild flickering glitching technicolor pyrotechnics
> on resumption from suspend
> 
> Hi,
> 
> Using the i7-11850H's iGPU, when I wake my Thinkpad X1 Extreme Gen 4 from
> suspend on 5.19-rc1, the display shows wild flickering with strobing colors and
> more artifacts than real pixels in an utter disaster explosion of pantone, as
> though bombs were dropped on the leprechauns at the base of the rainbow.
> That sounds ridiculous, but the strobing pattern really is a sight to be seen.
> 
> I can only stop it by rebooting.
> 
> I took a video, but I worry about having private info in my video buffer, so if
> you'd like to see it, email me privately.
> 
> The system is otherwise operational and fine. Nothing in dmesg, even with i915
> debugging enabled, and if it weren't for the display artifacts, I believe the actual
> rendering in video memory would be fine. So this sort of looks like a display
> driver or some sort of psr problem.
> 
> Let me know if there's anything else I can do to provide more debug info. It's
> pretty trivial to reproduce: I just put my laptop to sleep and wake it back up.
> 
> Jason