[RFC 0/2] Add generic FPU api similar to x86

[Christophe Leroy]

Le 19/07/2021 à 21:52, Anson Jacob a écrit :
> This is an attempt to have generic FPU enable/disable
> calls similar to x86.
> So that we can simplify gpu/drm/amd/display/dc/os_types.h

Seems like gpu/drm/amd/display/dc/os_types.h has been simplified through 
another way via commit 96ee63730fa3 ("drm/amd/display: Add control 
mechanism for FPU")

Are powerpc changes in patch 1 still relevant ? In that case please rebase.

> 
> Also adds FPU correctness logic seen in x86.
> 
> Anson Jacob (2):
>    ppc/fpu: Add generic FPU api similar to x86
>    drm/amd/display: Use PPC FPU functions
> 
>   arch/powerpc/include/asm/switch_to.h      |  29 ++---
>   arch/powerpc/kernel/process.c             | 130 ++++++++++++++++++++++
>   drivers/gpu/drm/amd/display/dc/os_types.h |  28 +----
>   3 files changed, 139 insertions(+), 48 deletions(-)
>