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sjakki88 merged 1 commit into from
Mar 6, 2026
Merged

Add guide to validate if camera overlay is enabled #66

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23 changes: 21 additions & 2 deletions topic/k2c-qli-build-ga/enable_dtb_overlay.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
Enable camera overlays
^^^^^^^^^^^^^^^^^^^^^^

.. note:: This section applies only to QCS6490, IQ-9075, and IQ-8275.
.. note:: This section applies only to QCS6490, IQ-9075, and IQ-8275.

When you flash and boot ``qcom-multimedia-proprietary-image``, the upstream camera stack is enabled by default. You can change this setting by updating the EFI variable.

Expand Down Expand Up @@ -31,6 +31,25 @@ Apply the DTB Overlay:
sync
reboot

After rebooting, you can check the UEFI serial logs to verify that the camx overlay has
been applied. Below is an example log snippet captured from the iq‑8275‑evk platform:

.. container:: nohighlight

::

Variable VendorDtbOverlays read successfully. Data: camx
ProcessQcomRuntimeOverlayRequest: Parsed camx

FindConfigToBoot:Booting with = qcom,qcs8275-iot-camx
FindConfigToBoot: i = 0 fdt fdt-monaco-evk.dtb str len = 18
FindConfigToBoot: i = 1 fdt fdt-monaco-evk-camx.dtbo str len = 24
ParseFitDt::
Config fdt-monaco-evk.dtb & Type 0
Config fdt-monaco-evk-camx.dtbo & Type 1
FitLoadDtbFromFdt: Config fdt-monaco-evk.dtb & Type 0
FitLoadDtbFromFdt: Config fdt-monaco-evk-camx.dtbo & Type 1

Enable upstream video driver
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Expand All @@ -57,4 +76,4 @@ After rebooting the device, you can run ``lsmod`` to confirm if the changes have
lsmod | grep venus
# Expected Output
# venus_enc 28672 0
# venus_dec 28672 0
# venus_dec 28672 0
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