Bug 111637 - Document configuration shadowing and clean up handling that in igt_core
Summary: Document configuration shadowing and clean up handling that in igt_core
Alias: None
Product: DRI
Classification: Unclassified
Component: IGT (show other bugs)
Version: unspecified
Hardware: Other All
: not set normal
Assignee: Default DRI bug account
QA Contact:
Depends on:
Reported: 2019-09-11 05:14 UTC by Arek Hiler
Modified: 2019-11-12 07:41 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Description Arek Hiler 2019-09-11 05:14:49 UTC
The current agreed order of importance is as follows:
.igtrc < ENV < --switch

or to put it in words
.igtrc option is less important than ENV
.igtrc and ENV are both less important than --switch

Real world example:

device for IGT execution can be specified as Common::Device in .igtrc, IGT_DEVICE env variable or --device switch on command line.

The idea is that .igtrc is the default set on the machine that can be overwritten for the whole session with env or just for a single test with --device.

This needs to be documented and the whey we handle this in igt_core.c could use some streamlining.
Comment 1 Martin Peres 2019-11-12 07:41:38 UTC
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