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Platform: New platform probe design #2378

Merged
merged 21 commits into from
Apr 14, 2022
Merged

Platform: New platform probe design #2378

merged 21 commits into from
Apr 14, 2022

Commits on Apr 7, 2022

  1. mir::udev: Add Device::clone()

    @RAOF
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  2. mir::udev: Add Context::char_device_from_devnum() 

    There are locations where we have a `dev_t` but will need a `udev::Device`.
Make this possible
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  3. cmake: Add necessary headers to mirudev target 

    This lets other parts of Mir simply add a `target_link_libaries(... mirudev)` to
get proper header handling.
    @RAOF
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  4. Platform: New platform probe design. 

    This accomplishes multiple goals:
* Platforms can now “bind” to a device, and the platform which claims
  to support that device best wins.
* Platforms can list *each* device that they can drive, so later we
  can construct a `DisplayPlatform` or `RenderingPlatform` on the
  specific device.
* Platforms can share data between the `probe` and construction phase
    @RAOF
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  5. Be more clear in platform probe logging 

    Log what type of driver we've selected (display or rendering), and
fix the “Found <driver type> driver: $FOO” message
    @RAOF
    RAOF committed Apr 7, 2022
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  6. mg::modules_for_device: Don't return unusable platforms 

    Even if the platform is not claiming to support a specific
device, we still shouldn't return platforms which return
`PlatformPriority::unsupported`.
    @RAOF
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  7. gbm-kms: Fix probing for rendernodes 

    The rendernode devices are /dev/dri/render*D*$NUMBER.

Fixes probing the gbm-kms rendering platform.
    @RAOF
    RAOF committed Apr 7, 2022
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  8. gbm-kms: Remove vestigial host_socket constant

    @RAOF
    RAOF committed Apr 7, 2022
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  9. tests/ServerPlatformProbe: Drop vestigial test for nested. 

    We no longer have a nested platform in that sense!
    @RAOF
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  10. test/ServerPlatformProbe: Simplify IgnoresNonPlatformModules 

    There's no reason this requires the Mesa platform - the dummy
platform is sufficient here.
    @RAOF
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  11. test/ServerPlatformProbe: Test that we reject a module claiming Platf… 

    …ormPriority::unsupported
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  12. test/ServerPlatformProbe: Add a test ensuring we don't needlessly loa… 

    …d a dummy platform
    @RAOF
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  13. tests/MesaGraphicsPlatform: Fix quirk test now we actually check rend… 

    …ernodes
    @RAOF
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  14. mg::modules_for_device: Don't return a stub platform if a better one … 

    …exists
    @RAOF
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  15. mg::probe_module: Print out what module we're probing *before* emitti… 

    …ng its probing diagnostics
    @RAOF
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  16. rpi-dispmanx: Move to new platform probing interface

    @RAOF
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  17. eglstream-kms: Don't use <span> 

    Turns out that `<span>` is one of the C++20 features not supported
by 20.04's libstdc++. ☹
    @RAOF
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Commits on Apr 11, 2022

  1. tests/PlatformProber: [[maybe_unused]] some helpers which may or may … 

    …not be used depending on the set of built platforms
    @RAOF
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Commits on Apr 12, 2022

  1. Platform: Use std::any for the Platform-specific-data in SupportedDevice

    @RAOF
    RAOF committed Apr 12, 2022
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Commits on Apr 14, 2022

  1. platform: Bump graphics platform ABI 

    `MIR_SERVER_GRAPHICS_PLATFORM_STANZA_VERSION` is the variable we use for the
graphics platform-DSO <-> libmirplatform ABI.
    @RAOF
    RAOF committed Apr 14, 2022
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  2. platform: Bump the other half(?) of graphics ABI. 

    TODO: Do we *need* both halves?
    @RAOF
    RAOF committed Apr 14, 2022
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