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intel/display: adapt README to current implementation

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Christian Helmuth 2024-11-08 15:55:10 +01:00
parent 728ea95857
commit d104ca0561
1 changed files with 23 additions and 20 deletions
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repos/pc/src/driver/framebuffer/intel/pc/README
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@ -4,15 +4,16 @@ Default behaviour
~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~
When no configuration is provided to the driver, it will enable all connectors When no configuration is provided to the driver, it will enable all connectors
with attached displays and allocate for each display a discrete framebuffer. with attached displays and allocate one shared framebuffer for all displays
It will use the highest resolution as provided by the BIOS or EDID information. (see non-discrete mode below). It will use the highest resolution as provided
For each connector a separate Capture connection will be requested labeled by the BIOS or EDID information. For each discrete connector a separate
according to the connector name. When newly connected displays are detected Capture connection will be requested labeled according to the connector name.
by the driver, the new connectors are enabled and another Capture session When newly connected displays are detected by the driver, the new connectors
labeled according to the connector will be requested. are enabled and another Capture session labeled according to the connector
will be requested.
By default, on hotplug of a display, the current config of the driver will be By default, on hotplug of a display, the current config of the driver will be
re-parsed and re-applied. This behaviour can be disabled by re-parsed and re-applied. This behaviour can be disabled by
! <config apply_on_hotplug="no"/> ! <config apply_on_hotplug="no"/>
@ -30,21 +31,23 @@ in the configuration as follows:
The exported report has the following format: The exported report has the following format:
! <connectors> ! <connectors>
! <connector name="eDP-1" connected="true" brightness="50" width_mm="290" height_mm="170"> ! <merge name="mirror">
! <mode width="1920" height="1080" hz="60" id="1" preferred="true" used="true" width_mm="288" height_mm="165"/> ! <connector name="eDP-1" connected="true" brightness="50" width_mm="290" height_mm="170">
! ... ! <mode width="1920" height="1080" hz="60" id="1" preferred="true" used="true" width_mm="288" height_mm="165"/>
! </connector> ! ...
! <connector name="DP-1" connected="true" width_mm="280" height_mm="160"> ! </connector>
! <mode width="1920" height="1200" hz="60" id="1" preferred="true" width_mm="280" height_mm="160"/> ! <connector name="DP-1" connected="true" width_mm="280" height_mm="160">
! <mode width="1920" height="1080" hz="60" id="2" used="true" width_mm="278" height_mm="158"/> ! <mode width="1920" height="1200" hz="60" id="1" preferred="true" width_mm="280" height_mm="160"/>
! <mode width="1280" height="1024" hz="60" id="3"/> ! <mode width="1920" height="1080" hz="60" id="2" used="true" width_mm="278" height_mm="158"/>
! <mode width="1024" height="768" hz="60" id="4"/> ! <mode width="1280" height="1024" hz="60" id="3"/>
! ... ! <mode width="1024" height="768" hz="60" id="4"/>
! </connector> ! ...
! <connector name="HDMI-A-1" connected="false"/> ! </connector>
! <connector name="HDMI-A-1" connected="false"/>
! </merge>
! </connectors> ! </connectors>
The physical dimension of the display is reported as width_mm and height_mm The physical dimension of the display is reported as 'width_mm' and 'height_mm'
in millimeter per connector and if available, also per mode. The values can in millimeter per connector and if available, also per mode. The values can
be used as input to DPI calculations. The currently used mode of the connector be used as input to DPI calculations. The currently used mode of the connector
is tagged in the report explicitly. is tagged in the report explicitly.