Hi, Angelo: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> 於 2023年3月24日 週五 下午4:38寫道： > > Il 24/03/23 00:25, Chun-Kuang Hu ha scritto: > > Hi, Angelo: > > > > AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> 於 > > 2023年3月23日 週四 下午4:58寫道： > >> > >> Il 21/03/23 13:18, Nancy.Lin ha scritto: > >>> The hardware path of vdosys1 with DPTx output need to go through by several modules, such as, OVL_ADAPTOR and MERGE. > >>> > >>> Add DRM and these modules support by the patches below: > >>> > >> > >> I've tested v30 again on MT8173, MT8192 and MT8195 based Chromebooks. > >> Green light from me. > > > > I'm curious about how you build code and test on Chromebooks. Do you > > build in cros environment or pure linux > > (https://archlinuxarm.org/platforms/armv8/mediatek/acer-chromebook-r13). > > I've a MT8183 based Chromebook (HP 11a) and I've tried to run a > > upstream kernel on it. cros is too heavy for me and I doubt I could > > use it. I've tried the pure linux and could boot up with console, but > > display does not work. If you use the pure linux environment, could > > you share how it works? > > > > I haven't tested MT8183 (I don't actually have any 8183 machine in my hands)... but > yes, I can share my test environment. > > I have one MicroSD that I use either in the MicroSD slot of the target machine, or > in a USB reader; this *single* system is what I boot on *all* Chromebooks that I > have: one kernel, multiple devicetrees, same Debian-based userspace. > > What we have to prepare this bootable media can be found at [1], but beware that > it currently uses an outdated kernel, so, what I have locally is a symlink to my > kernel tree. > You can change/add/remove the devicetree blobs that will get added to the image > by modifying `chromebook-setup.sh`; before tampering with kernel tree symlink, > please run that script for the first time, as it will download a cross-compiler, > a kernel tree (that you will replace for sure) and the (very old) Debian rootfs > that you can update with `apt-get dist-upgrade` after booting the Chromebook. > > If you want to check about possible kernel configuration differences, what I use > is at [2], so that you can compare. Thanks for the information, I would try to compare the kernel config first. > > [1]: https://gitlab.collabora.com/google/chromebooks/-/tree/mtk-av1 > [2]: > https://gitlab.collabora.com/google/chromeos-kernel/-/blob/mt8195-tracking-master-rolling/arch/arm64/configs/defconfig > > Regards, > Angelo
