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Revert "drm/amd/display: Always write repeater mode regardless of LTTPR"

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This reverts commit 2b7605d73b

Some displays are not lighting up when put in LTTPR Transparent Mode

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Wesley Chalmers 2021-06-16 16:11:23 -04:00 committed by Alex Deucher
parent e9cfe00ba8
commit dce9d910eb
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -1620,11 +1620,12 @@ enum dc_status dpcd_configure_lttpr_mode(struct dc_link *link, struct link_train
{
enum dc_status status = DC_OK;
if (lt_settings->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT)
status = configure_lttpr_mode_non_transparent(link, lt_settings);
else
if (lt_settings->lttpr_mode == LTTPR_MODE_TRANSPARENT)
status = configure_lttpr_mode_transparent(link);
else if (lt_settings->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT)
status = configure_lttpr_mode_non_transparent(link, lt_settings);
return status;
}