drm/amd/display: Reverting "Add connector to the state if DSC debugfs is set"

This reverts commit c44a22b3.

Reason for revert: Patch introduces performance issues and might
cause memory consistency problems with multiple connectors.
Signed-off-by: NEryk Brol <eryk.brol@amd.com>
Acked-by: NAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -892,45 +892,6 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 	return 0;
 }
 
-static void amdgpu_check_debugfs_connector_property_change(struct amdgpu_device *adev,
-							   struct drm_atomic_state *state)
-{
-	struct drm_connector *connector;
-	struct drm_crtc *crtc;
-	struct amdgpu_dm_connector *amdgpu_dm_connector;
-	struct drm_connector_state *conn_state;
-	struct dm_crtc_state *acrtc_state;
-	struct drm_crtc_state *crtc_state;
-	struct dc_stream_state *stream;
-	struct drm_device *dev = adev_to_drm(adev);
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-
-		amdgpu_dm_connector = to_amdgpu_dm_connector(connector);
-		conn_state = connector->state;
-
-		if (!(conn_state && conn_state->crtc))
-			continue;
-
-		crtc = conn_state->crtc;
-		acrtc_state = to_dm_crtc_state(crtc->state);
-
-		if (!(acrtc_state && acrtc_state->stream))
-			continue;
-
-		stream = acrtc_state->stream;
-
-		if (amdgpu_dm_connector->dsc_settings.dsc_force_enable ||
-		    amdgpu_dm_connector->dsc_settings.dsc_num_slices_v ||
-		    amdgpu_dm_connector->dsc_settings.dsc_num_slices_h ||
-		    amdgpu_dm_connector->dsc_settings.dsc_bits_per_pixel) {
-			conn_state = drm_atomic_get_connector_state(state, connector);
-			crtc_state = drm_atomic_get_crtc_state(state, crtc);
-			crtc_state->mode_changed = true;
-		}
-	}
-}
-
 static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_addr_space_config *pa_config)
 {
 	uint64_t pt_base;
@@ -984,7 +945,6 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_
 
 }
 
-
 static int amdgpu_dm_init(struct amdgpu_device *adev)
 {
 	struct dc_init_data init_data;
@@ -8712,8 +8672,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 	int ret, i;
 	bool lock_and_validation_needed = false;
 
-	amdgpu_check_debugfs_connector_property_change(adev, state);
-
 	ret = drm_atomic_helper_check_modeset(dev, state);
 	if (ret)
 		goto fail;