lkml.org 
[lkml]   [2014]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [Nouveau] [PATCH 11/12] drm/nouveau: support GK20A in nouveau_accel_init()
From
On Wed, Apr 2, 2014 at 10:14 AM, Alexandre Courbot <gnurou@gmail.com> wrote:
>>>> + /* Need to figure out how to handle sw for gk20a */
>>>> + if (device->chipset == 0xea)
>>>> + goto skip_sw_init;
>>>
>>> The commit message makes it sound like SW isn't needed since gk20a
>>> "lacks any display hardware". In that case the comment here doesn't make
>>> much sense.
>
> Correct. As far as I have looked (that is, not very far), SW methods
> are used for display-related functions, but there might be other
> use-cases too. Maybe someone who knows better can confirm?

http://cgit.freedesktop.org/~darktama/nouveau/tree/nvkm/engine/software/nvc0.c

Take a look at nvc0_software_mthd_mp_control -- that's used in the
mesa driver to... well, control those things :) They're related to
PGRAPH, which should be available on the GK20A. [Not sure what they do
though. One of them is about turning off error reporting.]

-ilia


\
 
 \ /
  Last update: 2014-04-02 16:41    [W:0.131 / U:1.808 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site