diff options
Diffstat (limited to 'src/soc/mediatek/mt8183/dsi.c')
| -rw-r--r-- | src/soc/mediatek/mt8183/dsi.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/src/soc/mediatek/mt8183/dsi.c b/src/soc/mediatek/mt8183/dsi.c index 7f5ac0a747..3710fc652c 100644 --- a/src/soc/mediatek/mt8183/dsi.c +++ b/src/soc/mediatek/mt8183/dsi.c @@ -19,32 +19,28 @@ #include <soc/dsi.h> #include <soc/pll.h> -void mtk_dsi_configure_mipi_tx(int data_rate, u32 lanes) +void mtk_dsi_configure_mipi_tx(u32 data_rate, u32 lanes) { - unsigned int txdiv, txdiv0, txdiv1; + unsigned int txdiv0, txdiv1; u64 pcw; - if (data_rate >= 2000) { - txdiv = 1; + if (data_rate >= 2000 * MHz) { txdiv0 = 0; txdiv1 = 0; - } else if (data_rate >= 1000) { - txdiv = 2; + } else if (data_rate >= 1000 * MHz) { txdiv0 = 1; txdiv1 = 0; - } else if (data_rate >= 500) { - txdiv = 4; + } else if (data_rate >= 500 * MHz) { txdiv0 = 2; txdiv1 = 0; - } else if (data_rate > 250) { - /* Be aware that 250 is a special case that must use txdiv=4. */ - txdiv = 8; + } else if (data_rate > 250 * MHz) { + /* (data_rate == 250MHz) is a special case that should go to the + else-block below (txdiv0 = 4) */ txdiv0 = 3; txdiv1 = 0; } else { /* MIN = 125 */ - assert(data_rate >= MTK_DSI_DATA_RATE_MIN_MHZ); - txdiv = 16; + assert(data_rate >= MTK_DSI_DATA_RATE_MIN_MHZ * MHz); txdiv0 = 4; txdiv1 = 0; } @@ -56,7 +52,7 @@ void mtk_dsi_configure_mipi_tx(int data_rate, u32 lanes) pcw = (u64)data_rate * (1 << txdiv0) * (1 << txdiv1); pcw <<= 24; - pcw /= CLK26M_HZ / MHz; + pcw /= CLK26M_HZ; write32(&mipi_tx->pll_con0, pcw); clrsetbits32(&mipi_tx->pll_con1, RG_DSI_PLL_POSDIV, txdiv0 << 8); |