From: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Date: Wed, 7 Aug 2019 17:02:44 +0000 (-0400)
Subject: drm/amd/display: Fix DML tests
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8ac64f0af5ffc8ae8cf0c43415c147781733f30b;p=linux.git

drm/amd/display: Fix DML tests

[Why]
DML diags tests are failing because the struct contents get
clobbered by a memcpy.

[How]
Remove the memcpy call.

Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index b4e3ce22ed529..5a9d3c85eaaa2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2800,7 +2800,6 @@ bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
 	ASSERT(false);
 
 restore_dml_state:
-	memcpy(&context->bw_ctx.dml, &dc->dml, sizeof(struct display_mode_lib));
 	context->bw_ctx.dml.soc.dram_clock_change_latency_us = p_state_latency_us;
 
 	return voltage_supported;