[SKL] noise in unity dash, torcs
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
mesa (Ubuntu) |
Fix Released
|
High
|
Unassigned | ||
Vivid |
Fix Released
|
High
|
Timo Aaltonen | ||
mesa-lts-vivid (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Trusty |
Fix Released
|
High
|
Unassigned |
Bug Description
[Impact]
Intel Skylake GPU's suffers from noise seen in transparent unity dialogs, also visible in torcs for instance
Need to backport four patches from 10.6.0:
commit c02c4b567ce001f
Author: Neil Roberts <email address hidden>
Date: Wed Mar 4 14:13:40 2015 +0000
i965: Store the GPU revision number in brw_context
commit bc4b18d2977a94a
Author: Neil Roberts <email address hidden>
Date: Thu Mar 19 18:18:49 2015 +0000
i965: Refactor SIMD16-to-2xSIMD8 checks.
commit 484f9f4fcd53fca
Author: Dave Airlie <email address hidden>
Date: Mon Mar 23 09:54:52 2015 +1000
i965: define I915_PARAM_REVISION
commit 706b916960c898c
Author: Kenneth Graunke <email address hidden>
Date: Wed Mar 4 12:53:45 2015 -0800
i965/skl: Break down SIMD16 3-source instructions when required.
[Test case]
Run something like Torcs on Skylake.
[Regression potential]
Slim, this only affects i965 driver for Intel, and the actual fix (706b916960c89) only affects gen9.
no longer affects: | mesa-lts-vivid (Ubuntu Vivid) |
no longer affects: | mesa (Ubuntu Trusty) |
Changed in mesa-lts-vivid (Ubuntu): | |
status: | New → Invalid |
Changed in mesa (Ubuntu Vivid): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
description: | updated |
tags: |
added: verification-done removed: verification-needed |
tags: |
added: verification-needed removed: verification-failed |
Changed in mesa (Ubuntu): | |
importance: | Undecided → High |
Changed in mesa (Ubuntu Vivid): | |
importance: | Undecided → High |
Changed in mesa-lts-vivid (Ubuntu Trusty): | |
importance: | Undecided → High |
This bug was fixed in the package mesa - 10.5.9-2ubuntu1
---------------
mesa (10.5.9-2ubuntu1) wily; urgency=medium
* Merge from Debian unstable.
-- Timo Aaltonen <email address hidden> Fri, 10 Jul 2015 14:02:38 +0300