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Message-Id: <20230126163605.3524630-1-arnd@kernel.org>
Date: Thu, 26 Jan 2023 17:35:54 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>,
Rodrigo Siqueira <Rodrigo.Siqueira@....com>
Cc: Arnd Bergmann <arnd@...db.de>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Roman Li <roman.li@....com>,
Wayne Lin <Wayne.Lin@....com>,
Aurabindo Pillai <aurabindo.pillai@....com>,
Stylon Wang <stylon.wang@....com>,
hersen wu <hersenxs.wu@....com>, Lyude Paul <lyude@...hat.com>,
amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] drm/amdgpu/display/mst: fix an unused-variable warning
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>
---
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;
--
2.39.0
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