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Subject[PATCH v14 13/15] 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 438bf3bc5e4a..0a93cfee2e53 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -129,6 +129,7 @@ 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).
@@ -146,6 +147,7 @@ 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;
@@ -619,11 +621,13 @@ 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;
@@ -881,6 +885,7 @@ 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,
@@ -897,6 +902,7 @@ 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,
@@ -912,6 +918,7 @@ 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,
@@ -927,6 +934,7 @@ 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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