Thread (67 messages) 67 messages, 7 authors, 2022-05-25

Re: [PATCH v9 12/22] drm/mediatek: dpi: move swap_shift to SoC config

From: Rex-BC Chen <hidden>
Date: 2022-03-28 08:34:30
Also in: dri-devel, linux-arm-kernel, linux-devicetree, linux-fbdev, linux-phy, lkml

On Mon, 2022-03-28 at 00:39 +0200, Guillaume Ranquet wrote:
quoted hunk ↗ jump to hunk
Add flexibility by moving the swap shift value to SoC specific config

Signed-off-by: Guillaume Ranquet <redacted>
---
 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 6eeda222a973..6d4d8c6ec47d 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;
 	/* HSIZE and VSIZE mask (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 << dpi->conf-
quoted
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,
 };
 
Reviewed-by: Rex-BC Chen <redacted>


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