Re: [PATCH 13/16] arm64: dts: qcom: Add support for Xperia 1 III / 5 III

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On 14/11/2021 20:47, Trilok Soni wrote:
Hi Konrad,

On 11/13/2021 5:27 PM, Konrad Dybcio wrote:

Then, you need to flash it on the device and get rid of all the
vendor_boot/dtbo mess:

fastboot flash boot boot.img-sony-xperia-pdx215
fastboot erase vendor_boot
fastboot flash dtbo emptydtbo.img
fastboot reboot

Where emptydtbo.img is a tiny file that consists of 2 bytes (all zeroes), doing a "fastboot erase" won't cut it, the bootloader will go crazy and things will fall apart when it tries to overlay random bytes from an empty partition onto a
perfectly good appended DTB.


I will check on this part and see if we can make simpler support fastboot erase dtbo without the extra emptydtbo.

---Trilok Soni


Hi Trilok,


that sounds great, thanks for looking into it! Could you also check why using a boot.img header version 2 (with a dtb embedded into the boot image using the --dtb option in mkbootimg) seems to be broken on 8350, too?

I get a "your device is corrupted and will not boot" error, even though I disabled vbmeta/vbmeta_system and performed the same steps described in this commit message to dtbo/vendor_boot. It worked fine on 4.19-release SoCs without vendor_boot (8250, 6350), but it seems it doesn't anymore.


Konrad




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