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Subject[PATCH v9 09/22] drm/mediatek: dpi: implement a swap_input toggle in SoC config
Date
Adds a bit of flexibility to support SoCs without swap_input support

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.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 545a1337cc89..454f8563efae 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
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