[PATCH v6 06/42] drm/mediatek: mtk_dpi: Move the input_2p_en bit to platform data

AngeloGioacchino Del Regno
2025-02-11T11:34:30Z

In preparation for adding support for MT8195's HDMI reserved DPI
instance, move the input_2p_en bit for DP_INTF to platform data.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index bb1a17f1384b..ad07005ad56e 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -143,6 +143,7 @@ struct mtk_dpi_factor {
* @channel_swap_shift: Shift value of channel swap.
* @yuv422_en_bit: Enable bit of yuv422.
* @csc_enable_bit: Enable bit of CSC.
+ * @input_2p_en_bit: Enable bit of two pixel per round feature
* @pixels_per_iter: Quantity of transferred pixels per iteration.
* @edge_cfg_in_mmsys: If the edge configuration for DPI's output needs to be set in MMSYS.
*/
@@ -163,6 +164,7 @@ struct mtk_dpi_conf {
u32 channel_swap_shift;
u32 yuv422_en_bit;
u32 csc_enable_bit;
+ u32 input_2p_en_bit;
u32 pixels_per_iter;
bool edge_cfg_in_mmsys;
};
@@ -651,9 +653,9 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
mtk_dpi_dual_edge(dpi);
mtk_dpi_config_disable_edge(dpi);
}
- if (dpi->conf->input_2pixel) {
- mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN,
- DPINTF_INPUT_2P_EN);
+ if (dpi->conf->input_2p_en_bit && dpi->conf->input_2pixel) {
+ mtk_dpi_mask(dpi, DPI_CON, dpi->conf->input_2p_en_bit,
+ dpi->conf->input_2p_en_bit);
}
mtk_dpi_sw_reset(dpi, false);

@@ -1127,6 +1129,7 @@ static const struct mtk_dpi_conf mt8195_dpintf_conf = {
.channel_swap_shift = DPINTF_CH_SWAP,
.yuv422_en_bit = DPINTF_YUV422_EN,
.csc_enable_bit = DPINTF_CSC_ENABLE,
+ .input_2p_en_bit = DPINTF_INPUT_2P_EN,
};

static int mtk_dpi_probe(struct platform_device *pdev)
--
2.48.1