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Message #130019
[Bug 1471213] Re: [SKL] noise in unity dash, torcs
I'm incorrectly abusing the "verification-failed" tag on this for now,
as I don't think this has had enough testing for us to promote it next
week and land it only days before the 14.04.3 final ISOs are released.
After 14.04.3, people who've done sufficient testing and feel this is
ready can feel free to revert the tag.
** Tags removed: verification-done
** Tags added: verification-failed
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https://bugs.launchpad.net/bugs/1471213
Title:
[SKL] noise in unity dash, torcs
Status in mesa package in Ubuntu:
Fix Released
Status in mesa-lts-vivid package in Ubuntu:
Invalid
Status in mesa-lts-vivid source package in Trusty:
Fix Committed
Status in mesa source package in Vivid:
Fix Committed
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 c02c4b567ce001f6605c46e71e089692b837bf26
Author: Neil Roberts <neil@xxxxxxxxxxxxxxx>
Date: Wed Mar 4 14:13:40 2015 +0000
i965: Store the GPU revision number in brw_context
commit bc4b18d2977a94a6fb513bf5955236a0e92298ca
Author: Neil Roberts <neil@xxxxxxxxxxxxxxx>
Date: Thu Mar 19 18:18:49 2015 +0000
i965: Refactor SIMD16-to-2xSIMD8 checks.
commit 484f9f4fcd53fcaa768e63934a5f74346bfb46a9
Author: Dave Airlie <airlied@xxxxxxxxxx>
Date: Mon Mar 23 09:54:52 2015 +1000
i965: define I915_PARAM_REVISION
commit 706b916960c898cfc24110f14fa4def84caaba93
Author: Kenneth Graunke <kenneth@xxxxxxxxxxxxx>
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.
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