In preparation for adding support for the eDP IP found in the
MT8196 SoC, having a higher supported maximum link rate, move
this parameter to SoC data instead of statically assigning it
to the training info during initialization.

Signed-off-by: AngeloGioacchino Del Regno 
<[email protected]>
---
 drivers/gpu/drm/mediatek/mtk_dp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c 
b/drivers/gpu/drm/mediatek/mtk_dp.c
index bf3a4b15f3ec..5272e717bfda 100644
--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -167,6 +167,7 @@ struct mtk_dp_data {
        bool audio_supported;
        bool audio_pkt_in_hblank_area;
        u16 audio_m_div2_bit;
+       u8 hw_max_link_rate;
 };
 
 static const struct mtk_dp_efuse_fmt mt8188_dp_efuse_fmt[MTK_DP_CAL_MAX] = {
@@ -1481,7 +1482,7 @@ static void mtk_dp_initialize_priv_data(struct mtk_dp 
*mtk_dp)
 {
        bool plugged_in = (mtk_dp->bridge.type == DRM_MODE_CONNECTOR_eDP);
 
-       mtk_dp->train_info.link_rate = DP_LINK_BW_5_4;
+       mtk_dp->train_info.link_rate = mtk_dp->data->hw_max_link_rate;
        mtk_dp->train_info.lane_count = mtk_dp->max_lanes;
        mtk_dp->train_info.cable_plugged_in = plugged_in;
 
@@ -3013,6 +3014,7 @@ static const struct mtk_dp_data mt8188_dp_data = {
        .audio_supported = true,
        .audio_pkt_in_hblank_area = true,
        .audio_m_div2_bit = MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2,
+       .hw_max_link_rate = DP_LINK_BW_5_4,
 };
 
 static const struct mtk_dp_data mt8195_edp_data = {
@@ -3021,6 +3023,7 @@ static const struct mtk_dp_data mt8195_edp_data = {
        .efuse_fmt = mt8195_edp_efuse_fmt,
        .audio_supported = false,
        .audio_m_div2_bit = MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2,
+       .hw_max_link_rate = DP_LINK_BW_5_4,
 };
 
 static const struct mtk_dp_data mt8195_dp_data = {
@@ -3029,6 +3032,7 @@ static const struct mtk_dp_data mt8195_dp_data = {
        .efuse_fmt = mt8195_dp_efuse_fmt,
        .audio_supported = true,
        .audio_m_div2_bit = MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2,
+       .hw_max_link_rate = DP_LINK_BW_5_4,
 };
 
 static const struct of_device_id mtk_dp_of_match[] = {
-- 
2.54.0

Reply via email to