linux-kernel - [PATCH] drm/amd/display: remove unused variable res

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Message-Id: <20230308140943.2009970-1-trix@redhat.com>
Date:   Wed,  8 Mar 2023 09:09:43 -0500
From:   Tom Rix <trix@...hat.com>
To:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
        daniel@...ll.ch, lyude@...hat.com, Wayne.Lin@....com,
        hersenxs.wu@....com, hamza.mahfooz@....com, Jerry.Zuo@....com
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Tom Rix <trix@...hat.com>
Subject: [PATCH] drm/amd/display: remove unused variable res_pool

With gcc and W=1, there is this error
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1214:31:
  error: variable ‘res_pool’ set but not used [-Werror=unused-but-set-variable]
 1214 |         struct resource_pool *res_pool;
      |                               ^~~~~~~~

Since res_pool is unused, remove it.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 2739bef9b90c..4b9b5e4050fc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -1211,7 +1211,6 @@ static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
 	bool computed_streams[MAX_PIPES];
 	struct amdgpu_dm_connector *aconnector;
 	struct drm_dp_mst_topology_mgr *mst_mgr;
-	struct resource_pool *res_pool;
 	int link_vars_start_index = 0;
 	int ret = 0;
 
@@ -1220,7 +1219,6 @@ static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
 
 	for (i = 0; i < dc_state->stream_count; i++) {
 		stream = dc_state->streams[i];
-		res_pool = stream->ctx->dc->res_pool;
 
 		if (stream->signal != SIGNAL_TYPE_DISPLAY_PORT_MST)
 			continue;
-- 
2.27.0