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Subject[PATCH v15 10/16] drm/mediatek: dpi: move swap_shift to SoC config
Date
From: Guillaume Ranquet <granquet@baylibre.com>

Add flexibility by moving the swap shift value to SoC specific config.

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 11724432e2f2..70a83a3c0570 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -125,6 +125,7 @@ struct mtk_dpi_yc_limit {
* @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH
* (no shift).
* @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift).
+ * @channel_swap_shift: Shift value of channel swap.
*/
struct mtk_dpi_conf {
unsigned int (*cal_factor)(int clock);
@@ -137,6 +138,7 @@ struct mtk_dpi_conf {
bool swap_input_support;
u32 dimension_mask;
u32 hvsize_mask;
+ u32 channel_swap_shift;
};

static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask)
@@ -367,7 +369,9 @@ static void mtk_dpi_config_channel_swap(struct mtk_dpi *dpi,
break;
}

- mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << CH_SWAP, CH_SWAP_MASK);
+ mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING,
+ val << dpi->conf->channel_swap_shift,
+ CH_SWAP_MASK << dpi->conf->channel_swap_shift);
}

static void mtk_dpi_config_yuv422_enable(struct mtk_dpi *dpi, bool enable)
@@ -817,6 +821,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
.swap_input_support = true,
.dimension_mask = HPW_MASK,
.hvsize_mask = HSIZE_MASK,
+ .channel_swap_shift = CH_SWAP,
};

static const struct mtk_dpi_conf mt2701_conf = {
@@ -830,6 +835,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
.swap_input_support = true,
.dimension_mask = HPW_MASK,
.hvsize_mask = HSIZE_MASK,
+ .channel_swap_shift = CH_SWAP,
};

static const struct mtk_dpi_conf mt8183_conf = {
@@ -842,6 +848,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
.swap_input_support = true,
.dimension_mask = HPW_MASK,
.hvsize_mask = HSIZE_MASK,
+ .channel_swap_shift = CH_SWAP,
};

static const struct mtk_dpi_conf mt8192_conf = {
@@ -854,6 +861,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
.swap_input_support = true,
.dimension_mask = HPW_MASK,
.hvsize_mask = HSIZE_MASK,
+ .channel_swap_shift = CH_SWAP,
};

static int mtk_dpi_probe(struct platform_device *pdev)
--
2.18.0
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