[libre-riscv-dev] Wishbone Arbiter

Luke Kenneth Casson Leighton lkcl at lkcl.net
Mon Jan 27 03:49:01 GMT 2020


On Mon, Jan 27, 2020 at 2:04 AM Michael Nolan <mtnolan2640 at gmail.com> wrote:
>
> > a temporary video blip is much better than crashing due to corrupted ram.
>
> I think it's not unreasonable to have the display controller be a little
> tolerant of latency.

richard herveille's vga_lcd code has exactly that, an SRAM buffer into
which framebuffer dara is first read (used as a FIFO as jacob says).

this has a big advantage of allowing a large sequential.batch of DRAM
accesses to be issued.

l.



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