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    Subject[PATCH v15 14/16] drm/mediatek: dpi: add config to support direct connection to dpi panels
    Date
    MediaTek dpi supports direct connection to dpi panels while dp_intf does not
    support. Therefore, add a config "support_direct_pin" to control this.

    Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
    Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
    ---
    drivers/gpu/drm/mediatek/mtk_dpi.c | 16 ++++++++++++----
    1 file changed, 12 insertions(+), 4 deletions(-)

    diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
    index 0a604bf68b1b..a65b85c4c8d5 100644
    --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
    +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
    @@ -124,6 +124,7 @@ struct mtk_dpi_yc_limit {
    * @is_ck_de_pol: Support CK/DE polarity.
    * @swap_input_support: Support input swap function.
    * @color_fmt_trans_support: Enable color format transfer.
    + * @support_direct_pin: IP supports direct connection to dpi panels.
    * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH
    * (no shift).
    * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift).
    @@ -141,6 +142,7 @@ struct mtk_dpi_conf {
    bool is_ck_de_pol;
    bool swap_input_support;
    bool color_fmt_trans_support;
    + bool support_direct_pin;
    u32 dimension_mask;
    u32 hvsize_mask;
    u32 channel_swap_shift;
    @@ -608,11 +610,13 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
    mtk_dpi_config_channel_limit(dpi);
    mtk_dpi_config_bit_num(dpi, dpi->bit_num);
    mtk_dpi_config_channel_swap(dpi, dpi->channel_swap);
    - mtk_dpi_config_yc_map(dpi, dpi->yc_map);
    mtk_dpi_config_color_format(dpi, dpi->color_format);
    - mtk_dpi_config_2n_h_fre(dpi);
    - mtk_dpi_dual_edge(dpi);
    - mtk_dpi_config_disable_edge(dpi);
    + if (dpi->conf->support_direct_pin) {
    + mtk_dpi_config_yc_map(dpi, dpi->yc_map);
    + mtk_dpi_config_2n_h_fre(dpi);
    + mtk_dpi_dual_edge(dpi);
    + mtk_dpi_config_disable_edge(dpi);
    + }
    mtk_dpi_sw_reset(dpi, false);

    return 0;
    @@ -870,6 +874,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
    .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
    .is_ck_de_pol = true,
    .swap_input_support = true,
    + .support_direct_pin = true,
    .dimension_mask = HPW_MASK,
    .hvsize_mask = HSIZE_MASK,
    .channel_swap_shift = CH_SWAP,
    @@ -886,6 +891,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
    .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
    .is_ck_de_pol = true,
    .swap_input_support = true,
    + .support_direct_pin = true,
    .dimension_mask = HPW_MASK,
    .hvsize_mask = HSIZE_MASK,
    .channel_swap_shift = CH_SWAP,
    @@ -901,6 +907,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
    .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
    .is_ck_de_pol = true,
    .swap_input_support = true,
    + .support_direct_pin = true,
    .dimension_mask = HPW_MASK,
    .hvsize_mask = HSIZE_MASK,
    .channel_swap_shift = CH_SWAP,
    @@ -916,6 +923,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
    .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
    .is_ck_de_pol = true,
    .swap_input_support = true,
    + .support_direct_pin = true,
    .dimension_mask = HPW_MASK,
    .hvsize_mask = HSIZE_MASK,
    .channel_swap_shift = CH_SWAP,
    --
    2.18.0
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