On Fri, Sep 08, 2023 at 08:52:19PM +0530, Vignesh Raman wrote: > Force db410c to host mode to fix network issue which results in failure > to mount root fs via NFS. > See https://gitlab.freedesktop.org/gfx-ci/linux/-/commit/cb72a629b8c15c80a54dda510743cefd1c4b65b8 > > Compile the base device tree with overlay support and use fdtoverlay > command to merge base device tree with an overlay which contains the > fix for USB controllers to work in host mode. [suggested by Maxime Ripard] > > Suggested-by: Maxime Ripard <mripard@xxxxxxxxxx> > Signed-off-by: Vignesh Raman <vignesh.raman@xxxxxxxxxxxxx> > --- > > v2: > - Use fdtoverlay command to merge overlay dtbo with the base dtb instead of modifying the kernel sources > > v3: > - drm-ci scripts to use device tree overlay from arch/arm64/boot/dts/qcom and compile base device tree with overlay support > > --- > drivers/gpu/drm/ci/build.sh | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/ci/build.sh b/drivers/gpu/drm/ci/build.sh > index 7b014287a041..092c195af242 100644 > --- a/drivers/gpu/drm/ci/build.sh > +++ b/drivers/gpu/drm/ci/build.sh > @@ -91,7 +91,12 @@ for image in ${KERNEL_IMAGE_NAME}; do > done > > if [[ -n ${DEVICE_TREES} ]]; then > - make dtbs > + make DTC_FLAGS=-@ dtbs > + if [[ -e arch/arm64/boot/dts/qcom/apq8016-sbc.dtb ]]; then > + dtc -@ -I dts -O dtb -o arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtbo arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtso You don't need to compile it by hand, make dtbs should do it for you > + fdtoverlay -i arch/arm64/boot/dts/qcom/apq8016-sbc.dtb -o arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtb arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtbo > + mv arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtb arch/arm64/boot/dts/qcom/apq8016-sbc.dtb > + fi That is also supported by the build system already, see k3-am642-tqma64xxl-mbax4xxl-sdcard-dtbs in arch/arm64/boot/dts/ti/Makefile for example. Maxime
Attachment:
signature.asc
Description: PGP signature
