linux-kernel - Re: [PATCH AUTOSEL 5.15 12/12] amdgpu: fix build on non-DCN platforms.

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Date:   Tue, 31 Jan 2023 15:29:04 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        stylon.wang@....com, sunpeng.li@....com, Xinhui.Pan@....com,
        Rodrigo.Siqueira@....com, roman.li@....com,
        amd-gfx@...ts.freedesktop.org, Jerry.Zuo@....com,
        aurabindo.pillai@....com, dri-devel@...ts.freedesktop.org,
        alexander.deucher@....com, Dave Airlie <airlied@...hat.com>,
        christian.koenig@....com
Subject: Re: [PATCH AUTOSEL 5.15 12/12] amdgpu: fix build on non-DCN platforms.

On Tue, Jan 31, 2023 at 10:01 AM Sasha Levin <sashal@...nel.org> wrote:
>
> From: Dave Airlie <airlied@...hat.com>
>
> [ Upstream commit f439a959dcfb6b39d6fd4b85ca1110a1d1de1587 ]
>
> This fixes the build here locally on my 32-bit arm build.
>
> Signed-off-by: Dave Airlie <airlied@...hat.com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>

This patch is only applicable to kernel 6.1 and newer.

Alex


> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index ee238a16572e..0f0dd9b0d84a 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -10769,6 +10769,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
>         bool lock_and_validation_needed = false;
>         struct dm_crtc_state *dm_old_crtc_state;
>  #if defined(CONFIG_DRM_AMD_DC_DCN)
> +       struct drm_dp_mst_topology_mgr *mgr;
> +       struct drm_dp_mst_topology_state *mst_state;
>         struct dsc_mst_fairness_vars vars[MAX_PIPES];
>  #endif
>
> --
> 2.39.0
>