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drm/amd/display: power_down_Hw need signal type to turnoff backlight

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Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrew Jiang 2017-09-13 11:36:34 -04:00 committed by Alex Deucher
parent 4b7e7e2b1b
commit 68d77dd821
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
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@ -1171,6 +1171,7 @@ static void power_down_encoders(struct dc *dc)
{
int i;
enum connector_id connector_id;
enum signal_type signal = SIGNAL_TYPE_NONE;
for (i = 0; i < dc->link_count; i++) {
connector_id = dal_graphics_object_id_get_connector_id(dc->links[i]->link_id);
if ((connector_id == CONNECTOR_ID_DISPLAY_PORT) ||
@ -1178,10 +1179,12 @@ static void power_down_encoders(struct dc *dc)
if (!dc->links[i]->wa_flags.dp_keep_receiver_powered)
dp_receiver_power_ctrl(dc->links[i], false);
if (connector_id == CONNECTOR_ID_EDP)
signal = SIGNAL_TYPE_EDP;
}
dc->links[i]->link_enc->funcs->disable_output(
dc->links[i]->link_enc, SIGNAL_TYPE_NONE);
dc->links[i]->link_enc, signal);
}
}