drm/amd/display: Clean up code in dc

[Why & How]
Code clean up in dc.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -2901,14 +2901,15 @@ static void commit_planes_for_stream(struct dc *dc,
 						top_pipe_to_program->stream_res.tg);
 		}
 
-	if (should_lock_all_pipes && dc->hwss.interdependent_update_lock)
+	if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) {
 		dc->hwss.interdependent_update_lock(dc, context, true);
-	else
+	} else {
 		/* Lock the top pipe while updating plane addrs, since freesync requires
 		 *  plane addr update event triggers to be synchronized.
 		 *  top_pipe_to_program is expected to never be NULL
 		 */
 		dc->hwss.pipe_control_lock(dc, top_pipe_to_program, true);
+	}
 
 	// Stream updates
 	if (stream_update)
@@ -2924,10 +2925,11 @@ static void commit_planes_for_stream(struct dc *dc,
 		if (dc->hwss.program_front_end_for_ctx)
 			dc->hwss.program_front_end_for_ctx(dc, context);
 
-		if (should_lock_all_pipes && dc->hwss.interdependent_update_lock)
+		if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) {
 			dc->hwss.interdependent_update_lock(dc, context, false);
-		else
+		} else {
 			dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false);
+		}
 		dc->hwss.post_unlock_program_front_end(dc, context);
 		return;
 	}
@@ -3052,10 +3054,11 @@ static void commit_planes_for_stream(struct dc *dc,
 
 	}
 
-	if (should_lock_all_pipes && dc->hwss.interdependent_update_lock)
+	if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) {
 		dc->hwss.interdependent_update_lock(dc, context, false);
-	else
+	} else {
 		dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false);
+	}
 
 	if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed)
 		if (top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) {

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

@@ -1773,7 +1773,6 @@ void dcn20_post_unlock_program_front_end(
 	 */
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
-
 		if (pipe->plane_state && !pipe->top_pipe && pipe->update_flags.bits.enable) {
 			struct hubp *hubp = pipe->plane_res.hubp;
 			int j = 0;