From d0bff6a4d45161fc76ec2ef0354a8c4e46125e01 Mon Sep 17 00:00:00 2001 From: John Barberiz Date: Tue, 8 Jan 2019 17:43:08 -0500 Subject: [PATCH 1144/2940] drm/amd/display: Fix use of uninitialized union [Why] An uninitialized variable would randomly initialize to a large value. This caused enough delay to fail DP Compliance Test 400.2.1. [How] Initialize the variable. Signed-off-by: John Barberiz Reviewed-by: Wenjing Liu Acked-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 431805c566cf..92f565ca1260 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -47,7 +47,7 @@ static void wait_for_training_aux_rd_interval( struct dc_link *link, uint32_t default_wait_in_micro_secs) { - union training_aux_rd_interval training_rd_interval; + union training_aux_rd_interval training_rd_interval = {0}; /* overwrite the delay if rev > 1.1*/ if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_12) { -- 2.17.1