lkml.org 
[lkml]   [2019]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/2] drm/nouveau/bios/init: Improve pre-PMU devinit opcode coverage
From
Date
For the whole series:

Reviewed-by: Lyude Paul <lyude@redhat.com>

Tested on a GK104 and GK110 (same ones as my vbios traces in our vbios repo)

On Mon, 2019-06-03 at 00:13 +1000, Rhys Kidd wrote:
> NVIDIA GPUs include a common scripting language (devinit) that can be
> interpreted by a number of "engines", e.g. within a kernel-mode software
> driver, the VGA BIOS or an on-board small microcontroller which provides
> certain security assertions (the 'PMU').
>
> This system allows a GPU programming sequence to be shared by multiple
> entities that would not otherwise be able to execute common code.
>
> This series adds support to nouveau for two opcodes seen on VBIOSes prior
> to the locked-down PMU taking over responsibility for executing devinit
> scripts.
>
> Documentation for these two opcodes can be found at:
>
> https://github.com/envytools/envytools/pull/189
>
> Rhys Kidd (2):
> drm/nouveau/bios/init: handle INIT_RESET_BEGUN devinit opcode
> drm/nouveau/bios/init: handle INIT_RESET_END devinit opcode
>
> .../gpu/drm/nouveau/nvkm/subdev/bios/init.c | 26 +++++++++++++++++--
> 1 file changed, 24 insertions(+), 2 deletions(-)
>
--
Cheers,
Lyude Paul

\
 
 \ /
  Last update: 2019-06-04 20:07    [W:0.064 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site