diff options
| -rw-r--r-- | src/soc/nvidia/tegra124/display.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/soc/nvidia/tegra124/display.c b/src/soc/nvidia/tegra124/display.c index 898e9b375b..9ad76f0ead 100644 --- a/src/soc/nvidia/tegra124/display.c +++ b/src/soc/nvidia/tegra124/display.c @@ -135,7 +135,7 @@ static int update_display_mode(struct display_controller *disp_ctrl, &disp_ctrl->disp.disp_clk_ctrl); printk(BIOS_DEBUG, "%s: PixelClock=%u, ShiftClockDiv=%u\n", __func__, config->pixel_clock, shift_clock_div); - return clock_display(config->pixel_clock * shift_clock_div * 2); + return 0; } static void update_window(struct display_controller *disp_ctrl, @@ -278,6 +278,15 @@ void display_startup(device_t dev) * light things up here once we're sure it's all working. */ + /* The plld is programmed with the assumption of the SHIFT_CLK_DIVIDER + * and PIXEL_CLK_DIVIDER are zero (divide by 1). See the + * update_display_mode() for detail. + */ + if (clock_display(config->pixel_clock * 2)) { + printk(BIOS_ERR, "dc: clock init failed\n"); + return; + }; + /* Init dc */ if (tegra_dc_init(disp_ctrl)) { printk(BIOS_ERR, "dc: init failed\n"); |