Re: [PATCH 2/2] drm/nouveau/gsp/r570: Never enter Gcoff state

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Thu, Jun 25, 2026 at 07:10:55PM -0400, Lyude Paul wrote:
> It turns out that the only reason our previous fixes looked like they
> worked for this was because we would occasionally set the Gcoff state to 0
> in the normal S3 path, which fixed suspend/resume on desktops - but not on
> machines using runtime suspend.
> 
> The proper fix is to just never set this flag. Our current guess for the
> reasoning behind this is that Gcoff likely coincides with GC6, and not
> literally power off.
> 
> Signed-off-by: Lyude Paul <lyude@redhat.com>
> Fixes: 8302d0afeaec ("nouveau/gsp: fix suspend/resume regression on r570 firmware")
> Cc: <stable@vger.kernel.org>
> Cc: Lyude Paul <lyude@redhat.com>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: Kees Cook <kees@kernel.org>
> Cc: Danilo Krummrich <dakr@kernel.org>
> Cc: Timur Tabi <ttabi@nvidia.com>
> Cc: Ben Skeggs <bskeggs@nvidia.com>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Mel Henning <mhenning@darkrefraction.com>
> Cc: <stable@vger.kernel.org> # v6.19+
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r570/fbsr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Same comment here.

-- 
With Best Regards,
Andy Shevchenko