diff options
Diffstat (limited to 'drivers/soc/mediatek/mtk-mmsys.c')
| -rw-r--r-- | drivers/soc/mediatek/mtk-mmsys.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index 06d8e83a2cb5..d2c7a87aab87 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -227,6 +227,26 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, } EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect); +static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 val) +{ + u32 tmp; + + tmp = readl_relaxed(mmsys->regs + offset); + tmp = (tmp & ~mask) | val; + writel_relaxed(tmp, mmsys->regs + offset); +} + +void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val) +{ + if (val) + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, + DPI_RGB888_DDR_CON, DPI_FORMAT_MASK); + else + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, + DPI_RGB565_SDR_CON, DPI_FORMAT_MASK); +} +EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_fmt_config); + static int mtk_mmsys_reset_update(struct reset_controller_dev *rcdev, unsigned long id, bool assert) { |