Re: should we get rid of xf86-video-nv?

On 2021/11/20 16:13, matthew green wrote:
> Rin Okuyama writes:
>> Hi,
>>
>> On 2021/11/13 2:23, Michael wrote:
>>> As long as we don't have drm on macppc, and we probably never will,
>>
>> Isn't this too pessimistic? ;)
>>
>> nouveau(4) is working on aarch64:
>>
>> https://dmesgd.nycbug.org/index.cgi?do=view&id=5834
>>
>> I will buy a cheap card to check whether it can be used on aarch64eb.
>>
>> If it is no problem with big endian, IIUC, the missing part for powerpc
>> should be __HAVE_PMAP_PV_TRACK support to oea pmap. I don't know how hard
>> it is, but expect it is straightforward, c.f.:
>>
>> http://www.nerv.org/netbsd/?q=id:20201220T163826Z.809a29116767ce2d78a3ac3fae5edd5b908f26d6
> 
> while this would be a good option, what's the benefit of
> enabling an very large kernel driver for hardware that is
> pretty well supported by the existing driver?  to give some
> idea, the driver on amd64 is 1894223 bytes (size -t on
> "nouveau*.o"), matched with 245851 bytes in nouveau_drv.so,
> vs the 181321 byte nv_drv.o.  (for reference, the macppc
> GENERIC is currently in the 11833223 byte range.)
> 
> i used this setup with a G4 powermac as my tv for several
> years in the mid 2000s, and unless you're using a GL heavy
> application, i'm not sure of the benefit, and see a bunch
> of downsides.
> 
> having it work for pcie and modern cards would be great,
> but i don't think removing the "nv" driver would ever be
> worth while.  i can vaguely imagine having nouveau as a
> default later..

Yeah, I don't mean to replace existing kernel/Xserver drivers.

I wish to make nouveau(4) working on powerpc just for fun :)

Thanks,
rin