Kernel mainline

[andiradulescu]

Part of commaai/openpilot#32386

Kernel history can be found here https://github.com/andiradulescu/linux/commits/sdm845/6.9-release/

Task list:

• Start from "near mainline" kernel from postmarketOS
• Apply work done by @robin-reckmann
• C3 (tici) dtb
• C3X (tizi) dtb
• C3X (mici) dtb
• ufs
• display
• i2c
• pcie/nvme
• wifi
• usb
• modem
• sound
• cameras
• graphics (opengl)
• opencl - via rusticl / msm_drm (no kgsl)
• weston (drm)

Validation:

• dmesg is clean (background in dmesg cleanup project #325)
• test_onroad passes
• testing closet

Resources/links:

• Use Upstream Weston bounty - Use Upstream Weston #16
• My own PR for Weston - Update Weston #205
• @robin-reckmann repo - https://github.com/robin-reckmann/linux/tree/comma3/v6.5
• postmarketOS sdm845/6.9-release - https://gitlab.com/sdm845-mainline/linux/-/tree/sdm845/6.9-release/
• tinygrad + rusticl and needed mesa patches

tinygrad efforts:

• tinygrad PR for GPU kernel level support (msm_kgsl) - qcom: driver init tinygrad/tinygrad#5213
• tinygrad PR for Hexagon support - 845 DSP Support Start tinygrad/tinygrad#5988

Regarding tinygrad kernel level runtime for msm_kgsl - this might not work with msm_drm from the mainline kernel, since msm_kgsl is for android kernels - need to investigate the differences between the two.

The progress here is currently stalled until the other AGNOS issues are resolved and 24.04 gets merged.

Will update this as progress is being restarted.