Move the register write to MTK_DP_AUX_P0_3690 to set the AUX reply mode to function mtk_dp_initialize_aux_settings(), as this is effectively part of the DPTX AUX setup sequence. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_dp.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index 9dea78529697..b4e775e040ee 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -1009,6 +1009,11 @@ static void mtk_dp_initialize_aux_settings(struct mtk_dp *mtk_dp) mtk_dp_update_bits(mtk_dp, MTK_DP_AUX_P0_37C8, MTK_ATOP_EN_AUX_TX_P0, MTK_ATOP_EN_AUX_TX_P0); + + /* Set complete reply mode for AUX */ + mtk_dp_update_bits(mtk_dp, MTK_DP_AUX_P0_3690, + RX_REPLY_COMPLETE_MODE_AUX_TX_P0, + RX_REPLY_COMPLETE_MODE_AUX_TX_P0); } static void mtk_dp_initialize_digital_settings(struct mtk_dp *mtk_dp) @@ -1821,10 +1826,6 @@ static void mtk_dp_init_port(struct mtk_dp *mtk_dp) mtk_dp_initialize_settings(mtk_dp); mtk_dp_initialize_aux_settings(mtk_dp); mtk_dp_initialize_digital_settings(mtk_dp); - - mtk_dp_update_bits(mtk_dp, MTK_DP_AUX_P0_3690, - RX_REPLY_COMPLETE_MODE_AUX_TX_P0, - RX_REPLY_COMPLETE_MODE_AUX_TX_P0); mtk_dp_initialize_hpd_detect_settings(mtk_dp); mtk_dp_digital_sw_reset(mtk_dp); -- 2.40.1