[SRU] [Groovy] [PATCH 0/1] Fix noise lines on i915 + Xorg

[Stefan Bader]

On 13.11.20 05:47, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1896091
> 
> [Impact]
> Noise-like lines of graphics corruption when moving windows in Xorg
> sessions.
> 
> [Fix]
> Revert "UBUNTU: SAUCE: drm/i915: Synchronize active and retire
> callbacks".
> 
> [Test]
> Daniel van Vugt confirmed reverting the commit fixes the issue.
> I can also reproduce the issue on one of my system, I can confirm it
> fixes the issue too.
> 
> [Where problems could occur]
> Race condition the commit solves may appear again.
> However it was to solve the issue on 5.4, and the race could already be
> solved on 5.8.

Is there no way to double check that before we re-open a problem here?

-Stefan

> 
> Kai-Heng Feng (1):
>   Revert "UBUNTU: SAUCE: drm/i915: Synchronize active and retire
>     callbacks"
> 
>  drivers/gpu/drm/i915/i915_active.c       | 52 ++++--------------------
>  drivers/gpu/drm/i915/i915_active.h       | 10 +++--
>  drivers/gpu/drm/i915/i915_active_types.h |  2 -
>  3 files changed, 14 insertions(+), 50 deletions(-)
> 


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