Re: FAILED: patch "[PATCH] drm/amdgpu/display: use blanked rather than plane state for" failed to apply to 5.4-stable tree

[Sasha Levin <sashal@kernel.org>]

On Mon, Jun 22, 2020 at 08:06:38PM +0200, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 5.4-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From b7f839d292948142eaab77cedd031aad0bfec872 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Tue, 2 Jun 2020 17:22:48 -0400
>Subject: [PATCH] drm/amdgpu/display: use blanked rather than plane state for
> sync groups
>
>We may end up with no planes set yet, depending on the ordering, but we
>should have the proper blanking state which is either handled by either
>DPG or TG depending on the hardware generation.  Check both to determine
>the proper blanked state.
>
>Bug: https://gitlab.freedesktop.org/drm/amd/issues/781
>Fixes: 5fc0cbfad45648 ("drm/amd/display: determine if a pipe is synced by plane state")
>Cc: nicholas.kazlauskas@amd.com
>Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org

I've grabbed 34b86b75dfc9 ("drm/amd/display: Use swap() where appropriate") as
a dependency and queued both for 5.4.

-- 
Thanks,
Sasha