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drm/amd/display: Initialize lt_settings on instantiation

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[WHY]
lt_settings' pointers remain uninitialized but nonzero if display fails
to light up with no DPCD/EDID info populated, leading to a hang on access

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michael Strauss
2021-08-16 16:15:36 -04:00
committed by Alex Deucher
parent 3b779044c8
commit b278b738c3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c
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@@ -960,7 +960,7 @@ enum link_training_result dc_link_dpia_perform_link_training(
bool skip_video_pattern)
{
enum link_training_result result;
struct link_training_settings lt_settings;
struct link_training_settings lt_settings = {0};
uint8_t repeater_cnt = 0; /* Number of hops/repeaters in display path. */
int8_t repeater_id; /* Current hop. */