On Fri, 22 Mar 2019 at 02:10, Thierry Reding <[email protected]> wrote: > > From: Thierry Reding <[email protected]> > > If early firmware initialized the display hardware and the display > controllers are scanning out a framebuffer (e.g. a splash screen), make > sure to pass information about the memory location of that framebuffer > to the kernel before booting to avoid the kernel from using that memory > for the buddy allocator. > > This same mechanism can also be used in the kernel to set up early SMMU > mappings and avoid SMMU faults caused by the display controller reading > from memory for which it has no mapping. > > Signed-off-by: Thierry Reding <[email protected]> > --- > board/nvidia/p2371-2180/p2371-2180.c | 47 ++++++++++++++++++++++++++++ > 1 file changed, 47 insertions(+)
Reviewed-by: Simon Glass <[email protected]> _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
