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From 5cb99d46f7bdf02cacf08ea9d4301aff0cd311a6 Mon Sep 17 00:00:00 2001
From: David Francis <David.Francis@amd.com>
Date: Thu, 23 May 2019 14:25:35 -0400
Subject: Revert "drm/amd/display: Fix underscan not using proper scaling"
Git-commit: 5cb99d46f7bdf02cacf08ea9d4301aff0cd311a6
Patch-mainline: v5.4-rc1
References: bsc#1152489

This reverts commit 80e80ec817f161560b4159608fb41bd289abede3.

This commit fixed an issue with underscan commits not updating all
needed timing values, but through various refactors it is no longer
necessary. It causes corruption on odm combine by
overwriting the halved h_active in the stream timing

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 4a2c7e9c56c0..55505b9f8ab4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2130,7 +2130,7 @@ void dc_commit_updates_for_stream(struct dc *dc,
 	enum surface_update_type update_type;
 	struct dc_state *context;
 	struct dc_context *dc_ctx = dc->ctx;
-	int i, j;
+	int i;
 
 	stream_status = dc_stream_get_status(stream);
 	context = dc->current_state;
@@ -2168,16 +2168,6 @@ void dc_commit_updates_for_stream(struct dc *dc,
 
 		copy_surface_update_to_plane(surface, &srf_updates[i]);
 
-		if (update_type >= UPDATE_TYPE_MED) {
-			for (j = 0; j < dc->res_pool->pipe_count; j++) {
-				struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
-
-				if (pipe_ctx->plane_state != surface)
-					continue;
-
-				resource_build_scaling_params(pipe_ctx);
-			}
-		}
 	}
 
 	copy_stream_update_to_stream(dc, context, stream, stream_update);
-- 
2.28.0