Bug 28872 - Excessive flickering of Wine applications under Intel drivers
Summary: Excessive flickering of Wine applications under Intel drivers
Status: RESOLVED WORKSFORME
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: git
Hardware: x86 (IA32) Linux (All)
: lowest minor
Assignee: Carl Worth
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-07-01 11:58 UTC by Artem S. Tashkinov
Modified: 2012-10-30 09:29 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:


Attachments

Description Artem S. Tashkinov 2010-07-01 11:58:41 UTC
All Wine application exhibit the same problem under Intel drivers: they flicker too much and UI rendering speed is subpar.

There's no such problem with other GPUs and drivers.
Comment 1 Chris Wilson 2010-07-01 12:26:35 UTC
There is *zero* information here. What hardware? Which drivers? How are the measurements performed and what should we measure against?

I know i965+ underperforms, but I cannot accept that i915 does without at least some evidence. At the very least do some profiling and show us which areas are most important to your workload.
Comment 2 Artem S. Tashkinov 2010-07-02 11:46:08 UTC
Chris, I'm sorry for such a dry bug report, I'm just observing the difference between NVIDIA proprietary drivers and Intel drivers running the same Windows applications under Wine.

I will update this bug report as soon as I find a good measurement of performance or an application which can measure UI rendering performance or/and artifacts/etc.

As always I'm running Fedora 13 i686 with all updates installed, I have "00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 12)" and Intel 2.12 drivers installed.
Comment 3 Artem S. Tashkinov 2010-10-01 02:23:25 UTC
It's become much less visible in 2.13 (or maybe there was another problem solved in the meanwhile) so I'm closing this bug.
Comment 4 Chris Wilson 2010-10-01 03:58:58 UTC
Hmm, I thought this was due to the overall slow compositing on i965+, so I assumed it would remain unresolved. Could be the FB_ALL_ONES fix (if 64bit) I suppose.

Anyway do you have any insight into what the issue was or how it seems to have improved? Then I can keep a look out for similar issues. An resolved mystery is still a mystery. :(
Comment 5 Leho Kraav (:macmaN :lkraav) 2012-10-29 12:23:53 UTC
Well I am now seeing this on 2.20.12 with very recent userspace.

00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
[  4398.829] (--) intel(0): Integrated Graphics Chipset: Intel(R) GM45
Comment 6 Chris Wilson 2012-10-30 09:29:37 UTC
Can you please refresh my memory with a current Xorg.log?


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