On Fri, Oct 11, 2024 at 04:25:15PM +0100, Bryan O'Donoghue wrote: > On 11/10/2024 15:50, Krzysztof Kozlowski wrote: > > On Fri, Oct 11, 2024 at 07:39:26PM +0530, Vikram Sharma wrote: > > > The qcs6490-rb3gen2-vision-mezzanine is a mezz on top of the > > > qcs6490-rb3gen2 core kit. The vision mezzanine includes the > > > IMX577 camera sensor. > > > > > > Signed-off-by: Vikram Sharma <quic_vikramsa@xxxxxxxxxxx> > > > --- > > > Documentation/devicetree/bindings/arm/qcom.yaml | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml > > > index 5de6290cd063..f00851f30d3e 100644 > > > --- a/Documentation/devicetree/bindings/arm/qcom.yaml > > > +++ b/Documentation/devicetree/bindings/arm/qcom.yaml > > > @@ -390,6 +390,7 @@ properties: > > > - fairphone,fp5 > > > - qcom,qcm6490-idp > > > - qcom,qcs6490-rb3gen2 > > > + - qcom,qcs6490-rb3gen2-vision-mezzanine > > > > Shouldn't this be an overlay? > > > > Best regards, > > Krzysztof > > > > Because of broken bootloaders which don't do overlays, we've been adding > additional dts instead. > > For preference everybody would run u-boot, grub or another reasonable > bootloader that can apply an overlay. > > Last time I checked there was no support for dtbo upstream in the kernel > itself. See arch/arm64/boot/dts/qcom/Makefile: sm8650-hdk-display-card-dtbs := sm8650-hdk.dtb sm8650-hdk-display-card.dtbo dtb-$(CONFIG_ARCH_QCOM) += sm8650-hdk-display-card.dtb > > greps > > grep -r of_overlay_fdt_apply * > > Hmm, does this do what I think it does ? Its news to me if there's a way to > do this in the kernel now TBH. > > Otherwise the sad situation with shipping bootloaders means we are pretty > much stuck with the one blob which we can't apply an update to. > -- With best wishes Dmitry
