diff options
Diffstat (limited to 'src/soc/mediatek/mt8173')
| -rw-r--r-- | src/soc/mediatek/mt8173/dsi.c | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/src/soc/mediatek/mt8173/dsi.c b/src/soc/mediatek/mt8173/dsi.c index e2e843e19d..25030c621c 100644 --- a/src/soc/mediatek/mt8173/dsi.c +++ b/src/soc/mediatek/mt8173/dsi.c @@ -20,12 +20,12 @@ #include <soc/dsi.h> #include <timer.h> -int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, const struct edid *edid) +int mtk_dsi_phy_clk_setting(u32 bits_per_pixel, u32 lanes, + const struct edid *edid) { u32 txdiv0, txdiv1; u64 pcw; u32 reg; - u32 bit_per_pixel; int i, data_rate, mipi_tx_rate; reg = read32(&mipi_tx0->dsi_bg_con); @@ -52,29 +52,14 @@ int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, const struct edid *edid) clrbits_le32(&mipi_tx0->dsi_pll_con0, RG_DSI0_MPPLL_PLL_EN); - switch (format) { - case MIPI_DSI_FMT_RGB565: - bit_per_pixel = 16; - break; - case MIPI_DSI_FMT_RGB666: - case MIPI_DSI_FMT_RGB666_PACKED: - bit_per_pixel = 18; - break; - case MIPI_DSI_FMT_RGB888: - default: - bit_per_pixel = 24; - break; - } - /** - * data_rate = (pixel_clock / 1000) * bit_per_pixel * mipi_ratio / lane_num + * data_rate = pixel_clock / 1000 * bits_per_pixel * mipi_ratio / lanes * pixel_clock unit is Khz, data_rata unit is MHz, so need divide 1000. * mipi_ratio is mipi clk coefficient for balance the pixel clk in mipi. * we set mipi_ratio is 1.02. - * lane_num */ - data_rate = edid->mode.pixel_clock * 102 * bit_per_pixel / - (lanes * 1000 * 100); + data_rate = edid->mode.pixel_clock * 102 * bits_per_pixel / + (lanes * 1000 * 100); mipi_tx_rate = data_rate; if (data_rate > 500) { @@ -93,9 +78,11 @@ int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, const struct edid *edid) txdiv0 = 2; txdiv1 = 2; } else { - printk(BIOS_ERR, "data rate (%u) must be >=50. Please check " - "pixel clock (%u), bpp (%u), and number of lanes (%u)\n", - data_rate, edid->mode.pixel_clock, bit_per_pixel, lanes); + printk(BIOS_ERR, "data rate (%u) must be >=50. " + "Please check pixel clock (%u), bits per pixel (%u), " + "and number of lanes (%u)\n", + data_rate, edid->mode.pixel_clock, bits_per_pixel, + lanes); return -1; } |