From: Charlene Liu <charlene.liu@amd.com>
Date: Mon, 25 Sep 2017 15:52:49 -0400
Subject: drm/amd/display: temp disable DCC on high res.
Git-commit: e778915c916229475ba76267534b70834ba8de8d
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1133,20 +1133,27 @@ static bool get_dcc_compression_cap(cons
 		output->grph.rgb.max_uncompressed_blk_size = 256;
 		output->grph.rgb.max_compressed_blk_size = 256;
 		output->grph.rgb.independent_64b_blks = false;
+		output->capable = true;
+		output->const_color_support = false;
 		break;
 	case dcc_control__128_128_xxx:
 		output->grph.rgb.max_uncompressed_blk_size = 128;
 		output->grph.rgb.max_compressed_blk_size = 128;
 		output->grph.rgb.independent_64b_blks = false;
+		/*temp: not allow dcc on high res*/
+		output->capable = false;
+		output->const_color_support = false;
 		break;
 	case dcc_control__256_64_64:
 		output->grph.rgb.max_uncompressed_blk_size = 256;
 		output->grph.rgb.max_compressed_blk_size = 64;
 		output->grph.rgb.independent_64b_blks = true;
+		/*temp: not allow dcc on high res*/
+		output->capable = false;
+		output->const_color_support = false;
 		break;
 	}
-	output->capable = true;
-	output->const_color_support = false;
+
 
 	return true;
 }