drm/amd/display: Remove redundant DRM device struct in amdgpu_dm_, mst_types.c

Declaration of 'struct drm_device *dev' is redundant, as
'connector->dev' & 'dev_get_drvdata(kdev)' can be directly passed to
'drm_to_adev', without any intermediate DRM device 'dev' variable

Cc: Roman Li <roman.li@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -894,8 +894,7 @@ static int dm_early_init(void *handle);
 /* Allocate memory for FBC compressed data  */
 static void amdgpu_dm_fbc_init(struct drm_connector *connector)
 {
-	struct drm_device *dev = connector->dev;
-	struct amdgpu_device *adev = drm_to_adev(dev);
+	struct amdgpu_device *adev = drm_to_adev(connector->dev);
 	struct dm_compressor_info *compressor = &adev->dm.compressor;
 	struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector);
 	struct drm_display_mode *mode;
@@ -989,8 +988,7 @@ static int amdgpu_dm_audio_component_bind(struct device *kdev,
 static void amdgpu_dm_audio_component_unbind(struct device *kdev,
 					  struct device *hda_kdev, void *data)
 {
-	struct drm_device *dev = dev_get_drvdata(kdev);
-	struct amdgpu_device *adev = drm_to_adev(dev);
+	struct amdgpu_device *adev = drm_to_adev(dev_get_drvdata(kdev));
 	struct drm_audio_component *acomp = data;
 
 	acomp->ops = NULL;
@@ -10788,8 +10786,7 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
 	struct dm_connector_state *dm_con_state = NULL;
 	struct dc_sink *sink;
 
-	struct drm_device *dev = connector->dev;
-	struct amdgpu_device *adev = drm_to_adev(dev);
+	struct amdgpu_device *adev = drm_to_adev(connector->dev);
 	struct amdgpu_hdmi_vsdb_info vsdb_info = {0};
 	bool freesync_capable = false;
 	enum adaptive_sync_type as_type = ADAPTIVE_SYNC_TYPE_NONE;

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

@@ -424,8 +424,7 @@ dm_mst_atomic_best_encoder(struct drm_connector *connector,
 {
 	struct drm_connector_state *connector_state = drm_atomic_get_new_connector_state(state,
 											 connector);
-	struct drm_device *dev = connector->dev;
-	struct amdgpu_device *adev = drm_to_adev(dev);
+	struct amdgpu_device *adev = drm_to_adev(connector->dev);
 	struct amdgpu_crtc *acrtc = to_amdgpu_crtc(connector_state->crtc);
 
 	return &adev->dm.mst_encoders[acrtc->crtc_id].base;