so, for dpu_format_map_tile, I'd like to define a fourcc modifier for
tiled formats (we currently have a workaround in userspace w/ a
private modifier in the gallium driver).. I think the problem is
defining the layout of the tiled format(s) (there are at least two per
generation and I can't guarantee they are the same across adreno
generations). We've mostly avoided needing to know the exact layout
by using gpu blits to go from tiled<->linear so far.
For the others, those look like formats we haven't wired up yet.
I'd say they are all things we want to support eventually, although
not sure what the timeline will be.. but I'd ask if you remove them
then split into at least a separate patch for dpu_format_map_tile vs
others, so we can more easily revert/amend to bring them back.
BR,
-R
On Thu, Jun 13, 2019 at 1:13 PM Nathan Huckleberry <nhuck@xxxxxxxxxx> wrote:
>
> Hey all,
>
> I'm looking into cleaning up ignored warnings in the kernel so we can
> remove compiler flags to ignore warnings.
>
> There are several unused variables in dpu_formats.c
> ('dpu_format_map_tile', 'dpu_format_map_p010',
> 'dpu_format_map_p010_ubwc', 'dpu_format_map_tp10_ubwc').
> They look like modifiers that were never implemented. I'd like to
> remove these variables if there are no plans moving forward to
> implement them. Otherwise I'll just leave them.
>
> https://github.com/ClangBuiltLinux/linux/issues/528
>
> Thanks,
> Nathan Huckleberry
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