On Wed, Sep 06, 2023 at 09:55:40AM -0300, Helen Koike wrote: > Hi! > > On 04/09/2023 13:15, 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 > > > > Use fdtoverlay command to merge base device tree with an overlay > > which contains the fix for USB controllers to work in host mode. > > > > 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 > > --- > > drivers/gpu/drm/ci/build.sh | 5 +++++ > > .../gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dts | 13 +++++++++++++ > > 2 files changed, 18 insertions(+) > > create mode 100644 drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dts > > > > diff --git a/drivers/gpu/drm/ci/build.sh b/drivers/gpu/drm/ci/build.sh > > index 7b014287a041..92ffd98cd09e 100644 > > --- a/drivers/gpu/drm/ci/build.sh > > +++ b/drivers/gpu/drm/ci/build.sh > > @@ -92,6 +92,11 @@ done > > if [[ -n ${DEVICE_TREES} ]]; then > > make dtbs > > + if [[ -e arch/arm64/boot/dts/qcom/apq8016-sbc.dtb ]]; then > > + dtc -@ -I dts -O dtb -o drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dtbo drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dts > > + fdtoverlay -i arch/arm64/boot/dts/qcom/apq8016-sbc.dtb -o arch/arm64/boot/dts/qcom/apq8016-sbc-overlay.dtb drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dtbo > > + mv arch/arm64/boot/dts/qcom/apq8016-sbc-overlay.dtb arch/arm64/boot/dts/qcom/apq8016-sbc.dtb > > + fi > > cp ${DEVICE_TREES} /lava-files/. > > fi > > diff --git a/drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dts b/drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dts > > new file mode 100644 > > index 000000000000..57b7604f1c23 > > --- /dev/null > > +++ b/drivers/gpu/drm/ci/dt-overlays/apq8016-sbc-overlay.dts > > @@ -0,0 +1,13 @@ > > +/dts-v1/; > > +/plugin/; > > + > > +/ { > > + fragment@0 { > > + target-path = "/soc@0"; > > + __overlay__ { > > + usb@78d9000 { > > + dr_mode = "host"; > > + }; > > + }; > > + }; > > +}; > > > Another thing that I was discussing with David and Vignesh, since we will > need this overlay spinets not only for drm-ci but also for mesa ci (and > every body who uses the farms), would it be interesting to move it to some > place more official? like dts folders? Or would that be against Linux > policy? AFAIK, the policy was changed recently to allow overlays to be merged, see $(find arch/ -name *.dtso). So generally speaking, it should be ok to send it. Maxime
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