[Nouveau] VGA resume & thaw (wake up from S3 & S4) broken - kernel(nouveau) exclusively

[Ilia Mirkin]

On Mon, Sep 15, 2014 at 4:23 AM, poma <pomidorabelisima at gmail.com> wrote:
> Chipset: G98 (NV98)
> Family : NV50
>
>
> WORKING VIDEO RESUME(S3)
>
> 3.15.0-rc8.1.git.7a014a8
> 3.15.0-rc8.2.git.456b057
> 3.15.0-rc8.3.git.b8407c9
> 3.15.0-rc8.4.git.bb7ef1e
>
> ========================
>
> BROKEN VIDEO RESUME(S3)
>
> STARTING WITH:
> 3.15.0-rc8.5.git.415f12e
>
> commit 415f12efc1b2308411b2cbc3e82666b3db8a7758
> Author: Ben Skeggs <bskeggs at redhat.com>
> Date:   Wed May 21 11:24:43 2014 +1000
>
>     drm/nv50/disp: start removing direct vbios parsing from supervisor
>
>     Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
>
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c?id=415f12e
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c?id=415f12e

Looks like the same issue as reported in

https://bugs.freedesktop.org/show_bug.cgi?id=83550

Ben, any ideas? Poma, can you attach your vbios to the bug above?

  -ilia