Re: [PATCH v8 10/19] drm/mediatek: dpi: move swap_shift to board config

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Il 18/02/22 15:54, Guillaume Ranquet ha scritto:
Add flexibility by moving the swap shift value to board config


Same board->SoC as all the other commits..

Signed-off-by: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
---
  drivers/gpu/drm/mediatek/mtk_dpi.c | 8 +++++++-
  1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 0d3acd08ea358..ec221e24e0fee 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -131,6 +131,7 @@ struct mtk_dpi_conf {
  	u32 dimension_mask;
  	// Mask used for HSIZE and VSIZE (no shift)
  	u32 hvsize_mask;
+	u32 channel_swap_shift;
  	const struct mtk_dpi_yc_limit *limit;
  };
@@ -349,7 +350,8 @@ 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 << CH_SWAP,
+		     CH_SWAP_MASK << dpi->conf->channel_swap_shift);

I would say that this should be instead:
	mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING,

		     val << dpi->conf->channel_swap_shift, CH_SWAP_MASK);


  }
static void mtk_dpi_config_yuv422_enable(struct mtk_dpi *dpi, bool enable)
@@ -821,6 +823,7 @@ 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,
  	.limit = &mtk_dpi_limit,
  };
@@ -835,6 +838,7 @@ 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,
  	.limit = &mtk_dpi_limit,
  };
@@ -848,6 +852,7 @@ 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,
  	.limit = &mtk_dpi_limit,
  };
@@ -861,6 +866,7 @@ 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,
  	.limit = &mtk_dpi_limit,
  };






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