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Message-ID: <5ad53f8f-155a-d1e8-68e3-c82577816c76@amd.com>
Date: Thu, 26 Jan 2023 16:07:21 -0500
From: Hamza Mahfooz <hamza.mahfooz@....com>
To: Arnd Bergmann <arnd@...nel.org>,
Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>,
Rodrigo Siqueira <Rodrigo.Siqueira@....com>
Cc: Stylon Wang <stylon.wang@....com>, Arnd Bergmann <arnd@...db.de>,
"Pan, Xinhui" <Xinhui.Pan@....com>, Roman Li <roman.li@....com>,
amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Aurabindo Pillai <aurabindo.pillai@....com>,
hersen wu <hersenxs.wu@....com>,
dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>,
Wayne Lin <Wayne.Lin@....com>,
Alex Deucher <alexander.deucher@....com>,
David Airlie <airlied@...il.com>,
Christian König <christian.koenig@....com>
Subject: Re: [PATCH] drm/amdgpu/display/mst: fix an unused-variable warning
On 1/26/23 11:35, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
>
> The newly added code is in an #ifdef, so the variables that
> are only used in there cause a warning if CONFIG_DRM_AMD_DC_DCN
> is disabled:
>
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_atomic_check':
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9698:43: error: unused variable 'mst_state' [-Werror=unused-variable]
> 9698 | struct drm_dp_mst_topology_state *mst_state;
> | ^~~~~~~~~
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9697:41: error: unused variable 'mgr' [-Werror=unused-variable]
> 9697 | struct drm_dp_mst_topology_mgr *mgr;
> | ^~~
>
> Fixes: c689e1e362ea ("drm/amdgpu/display/mst: Fix mst_state->pbn_div and slot count assignments")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Applied, thanks!
> ---
> 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 be1232356f9e..c966bb05f6c7 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -9694,8 +9694,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
> struct drm_connector_state *old_con_state, *new_con_state;
> struct drm_crtc *crtc;
> struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
> struct drm_dp_mst_topology_mgr *mgr;
> struct drm_dp_mst_topology_state *mst_state;
> +#endif
> struct drm_plane *plane;
> struct drm_plane_state *old_plane_state, *new_plane_state;
> enum dc_status status;
--
Hamza
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