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ld.lld: error: undefined symbol: __udivdi3 >>> referenced by rockchip_drm_vop2.c >>> drivers/gpu/drm/rockchip/rockchip_drm_vop2.o:(vop2_plane_atomic_check) in archive vmlinux.a >>> did you mean: __udivsi3 >>> defined in: vmlinux.a(arch/arm/lib/lib1funcs.o) arm-none-linux-gnueabihf-ld: drivers/gpu/drm/rockchip/rockchip_drm_vop2.o: in function `vop2_calc_dsc_clk': rockchip_drm_vop2.c:(.text+0x239c): undefined reference to `__aeabi_uldivmod' Signed-off-by: Sandy Huang <hjc@rock-chips.com> Change-Id: Iac0b61444cd4d33c62bd8994d0ce7ca1bab7bfa4
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.