Bug#940633: linux-image-5.2.0-2-amd64: UI microfreezes with with i915 driver

[Salvatore Bonaccorso <carnil@debian.org>]

Source: linux
Source-Version: 5.2.9-1
Control: notfound -1 5.2.9-2

On Wed, Sep 18, 2019 at 08:41:02AM +0200, Gregor Riepl wrote:
> Package: src:linux
> Version: 5.2.9-2
> Severity: important
> Tags: patch upstream
> 
> Dear Maintainer,
> 
> Linux 5.2 kernels contain a bug that causes short graphics freezes when using
> the i915 driver on certain Intel GPUs.
> 
> The issue was originally reported here:
> https://bugzilla.kernel.org/show_bug.cgi?id=204183
> 
> A patch for 5.2 is available here:
> https://patchwork.freedesktop.org/series/63774/#rev4
> 
> This patch will likely be included in kernel 5.3, but 5.2 and possibly older
> kernels are also affected.
> 
> Please consider adding this patch to 5.2 until it arrives in a stable kernel.
> 
> As a temporary workaround, it's possible to disable PSR (Panel Self Refresh) by
> adding i915.enable_psr=0 to the kernel command line. There may be higher power
> consumption or other consequences.

The mentioned patch seems to have been applied to 5.2.8 and 5.3-rc3.

I guess the found version was thus wrong used in the bugreport?

I'm closing the bug now, feel free to reopen if the issue still
persisst.

Regards,
Salvatore