[PATCH v8 07/19] drm/mediatek: dpi: implement a swap_input toggle in board config

[Guillaume Ranquet]

Adds a bit of flexibility to support boards without swap_input support

Signed-off-by: Guillaume Ranquet <granq...@baylibre.com>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c 
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 545a1337cc899..454f8563efae4 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -126,6 +126,7 @@ struct mtk_dpi_conf {
        const u32 *output_fmts;
        u32 num_output_fmts;
        bool is_ck_de_pol;
+       bool swap_input_support;
        const struct mtk_dpi_yc_limit *limit;
 };
 
@@ -378,18 +379,21 @@ static void mtk_dpi_config_color_format(struct mtk_dpi 
*dpi,
            (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) {
                mtk_dpi_config_yuv422_enable(dpi, false);
                mtk_dpi_config_csc_enable(dpi, true);
-               mtk_dpi_config_swap_input(dpi, false);
+               if (dpi->conf->swap_input_support)
+                       mtk_dpi_config_swap_input(dpi, false);
                mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_BGR);
        } else if ((format == MTK_DPI_COLOR_FORMAT_YCBCR_422) ||
                   (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) {
                mtk_dpi_config_yuv422_enable(dpi, true);
                mtk_dpi_config_csc_enable(dpi, true);
-               mtk_dpi_config_swap_input(dpi, true);
+               if (dpi->conf->swap_input_support)
+                       mtk_dpi_config_swap_input(dpi, true);
                mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB);
        } else {
                mtk_dpi_config_yuv422_enable(dpi, false);
                mtk_dpi_config_csc_enable(dpi, false);
-               mtk_dpi_config_swap_input(dpi, false);
+               if (dpi->conf->swap_input_support)
+                       mtk_dpi_config_swap_input(dpi, false);
                mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB);
        }
 }
@@ -808,6 +812,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
        .output_fmts = mt8173_output_fmts,
        .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
        .is_ck_de_pol = true,
+       .swap_input_support = true,
        .limit = &mtk_dpi_limit,
 };
 
@@ -819,6 +824,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
        .output_fmts = mt8173_output_fmts,
        .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
        .is_ck_de_pol = true,
+       .swap_input_support = true,
        .limit = &mtk_dpi_limit,
 };
 
@@ -829,6 +835,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
        .output_fmts = mt8183_output_fmts,
        .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
        .is_ck_de_pol = true,
+       .swap_input_support = true,
        .limit = &mtk_dpi_limit,
 };
 
@@ -839,6 +846,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
        .output_fmts = mt8173_output_fmts,
        .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
        .is_ck_de_pol = true,
+       .swap_input_support = true,
        .limit = &mtk_dpi_limit,
 };
 
-- 
2.34.1