Details
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Suggestion
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Resolution: Unresolved
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P3: Somewhat important
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None
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None
Description
The customer's hardware contains 2 separate DRM devices. They would like the ability to show their application GUI on both devices (screen mirroring).
This is the output of the drmdevice command:
--- Checking the number of DRM device available --- --- Devices reported 2 --- --- Retrieving devices information (PCI device revision is ignored) --- device[0] +-> available_nodes 0x01 +-> nodes | +-> nodes[0] /dev/dri/card1 +-> bustype 0002 | +-> platform | +-> fullname /lcdif@30320000 +-> deviceinfo +-> platform +-> compatible fsl,imx8mq-lcdif fsl,imx28-lcdif --- Opening device node /dev/dri/card1 --- --- Retrieving device info, for node /dev/dri/card1 --- device[0] +-> available_nodes 0x01 +-> nodes | +-> nodes[0] /dev/dri/card1 +-> bustype 0002 | +-> platform | +-> fullname /lcdif@30320000 +-> deviceinfo +-> platform +-> compatible fsl,imx8mq-lcdif fsl,imx28-lcdif device[1] +-> available_nodes 0x01 +-> nodes | +-> nodes[0] /dev/dri/card0 +-> bustype 0002 | +-> platform | +-> fullname /display-subsystem +-> deviceinfo +-> platform +-> compatible fsl,imx-display-subsystem --- Opening device node /dev/dri/card0 --- --- Retrieving device info, for node /dev/dri/card0 --- device[1] +-> available_nodes 0x01 +-> nodes | +-> nodes[0] /dev/dri/card0 +-> bustype 0002 | +-> platform | +-> fullname /display-subsystem +-> deviceinfo +-> platform +-> compatible fsl,imx-display-subsystem