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Subject[PATCH AUTOSEL 5.5 156/542] drm/amd/display: remove set but not used variable 'old_plane_crtc'
Date
From: zhengbin <zhengbin13@huawei.com>

[ Upstream commit d3b65841b31c0192f997e0f9bc64dccbfaa97bcc ]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c: In function dm_determine_update_type_for_commit:
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:6516:36: warning: variable old_plane_crtc set but not used [-Wunused-but-set-variable]

It is introduced by commit a87fa9938749 ("drm/amd/display:
Build stream update and plane updates in dm"), but never used,
so remove it.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

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 803e59d974111..ce57bfde2302b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7265,7 +7265,7 @@ dm_determine_update_type_for_commit(struct amdgpu_display_manager *dm,
int i, j, num_plane, ret = 0;
struct drm_plane_state *old_plane_state, *new_plane_state;
struct dm_plane_state *new_dm_plane_state, *old_dm_plane_state;
- struct drm_crtc *new_plane_crtc, *old_plane_crtc;
+ struct drm_crtc *new_plane_crtc;
struct drm_plane *plane;

struct drm_crtc *crtc;
@@ -7311,7 +7311,6 @@ dm_determine_update_type_for_commit(struct amdgpu_display_manager *dm,
uint64_t tiling_flags;

new_plane_crtc = new_plane_state->crtc;
- old_plane_crtc = old_plane_state->crtc;
new_dm_plane_state = to_dm_plane_state(new_plane_state);
old_dm_plane_state = to_dm_plane_state(old_plane_state);

--
2.20.1
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