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✨ Directly blacklist the vc4 module everywhere #1443

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May 25, 2023
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✨ Directly blacklist the vc4 module everywhere #1443

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5 changes: 0 additions & 5 deletions Earthfile
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Original file line number Diff line number Diff line change
Expand Up @@ -202,11 +202,6 @@ framework:
# TODO: Make this also a package?
COPY overlay/files /framework

# Copy common overlay files for Raspberry Pi
IF [ "$MODEL" = "rpi64" ]
COPY overlay/files-rpi/ /framework
END

# Copy flavor-specific overlay files
IF [[ "$FLAVOR" =~ ^alpine* ]]
COPY overlay/files-alpine/ /framework
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18 changes: 0 additions & 18 deletions overlay/files-rpi/etc/cos/bootargs.cfg
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9 changes: 9 additions & 0 deletions overlay/files/etc/modprobe.d/vc4-blacklist.conf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
# We additionally blacklist=vc4 as certain Displays are not supported by vc4.
# As kairos main target is cloud and not graphics usage, we blacklist it to avoid
# that the HDMI output goes off due to drivers kicking during boot. vc4 is required where graphics
# or video playback is needed, which is not the case in this example here.
# A similar workaround could be applied at config.txt level, by diabling the vc4 overlay.
# See also: https://en.opensuse.org/HCL:Raspberry_Pi3#I_see_HDMI_output_in_U-Boot.2C_but_not_in_Linux ,
# https://en.opensuse.org/HCL:Raspberry_Pi3#DSI_output_not_supported_by_VC4_driver,
# https://bugzilla.opensuse.org/show_bug.cgi?id=1181683 and https://github.com/raspberrypi/linux/issues/4020
blacklist vc4