Re: [PATCH v2] drm/amd/display: Look at firmware version to determine using dmub on dcn21

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Nov 15, 2021 at 09:36:55AM -0600, Mario Limonciello wrote:
> commit 91adec9e0709 ("drm/amd/display: Look at firmware version to
> determine using dmub on dcn21")
> 
> Newer DMUB firmware on Renoir and Green Sardine do not need to disable
> dmcu and this actually causes problems with DP-C alt mode for a number of
> machines.
> 
> Backport the fix from this from hand modified backport because mainline
> switched to IP version checking which doesn't exist in linux-stable.
> 
> BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1772
> BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1735
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
> ---
> Changes from v1->v2:
>  * Update commit message syntax for hand modified commit
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)

What tree(s) are you wanting this backported to?

thanks,

greg k-h