diff options
Diffstat (limited to 'src/soc/nvidia/tegra124')
| -rw-r--r-- | src/soc/nvidia/tegra124/sor.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/soc/nvidia/tegra124/sor.c b/src/soc/nvidia/tegra124/sor.c index 5d463a8a81..4a5da38530 100644 --- a/src/soc/nvidia/tegra124/sor.c +++ b/src/soc/nvidia/tegra124/sor.c @@ -248,6 +248,23 @@ void tegra_dc_sor_set_panel_power(struct tegra_dc_sor_data *sor, tegra_sor_writel(sor, NV_SOR_DP_PADCTL(sor->portnum), reg_val); } +static void tegra_dc_sor_config_pwm(struct tegra_dc_sor_data *sor, u32 pwm_div, + u32 pwm_dutycycle) +{ + tegra_sor_writel(sor, NV_SOR_PWM_DIV, pwm_div); + tegra_sor_writel(sor, NV_SOR_PWM_CTL, + (pwm_dutycycle & NV_SOR_PWM_CTL_DUTY_CYCLE_MASK) | + NV_SOR_PWM_CTL_SETTING_NEW_TRIGGER); + + if (tegra_dc_sor_poll_register(sor, NV_SOR_PWM_CTL, + NV_SOR_PWM_CTL_SETTING_NEW_SHIFT, + NV_SOR_PWM_CTL_SETTING_NEW_DONE, + 100, TEGRA_SOR_TIMEOUT_MS * 1000)) { + printk(BIOS_ERR, + "dp: timeout while waiting for SOR PWM setting\n"); + } +} + static void tegra_dc_sor_set_dp_mode(struct tegra_dc_sor_data *sor, const struct tegra_dc_dp_link_config *link_cfg) { @@ -274,11 +291,6 @@ static void tegra_dc_sor_set_dp_mode(struct tegra_dc_sor_data *sor, tegra_sor_writel(sor, NV_SOR_DP_CONFIG(sor->portnum), reg_val); - /* enable CRC */ - reg_val = NV_SOR_CRC_CNTRL_ARM_CRC_ENABLE_EN << - NV_SOR_CRC_CNTRL_ARM_CRC_ENABLE_SHIFT; - tegra_sor_writel(sor, NV_SOR_CRC_CNTRL, reg_val); - /* program h/vblank sym */ tegra_sor_write_field(sor, NV_SOR_DP_AUDIO_HBLANK_SYMBOLS, NV_SOR_DP_AUDIO_HBLANK_SYMBOLS_MASK, link_cfg->hblank_sym); @@ -558,6 +570,7 @@ static void tegra_dc_sor_config_panel(struct tegra_dc_sor_data *sor, 2 << NV_SOR_CSTM_ROTCLK_SHIFT | (is_lvds ? NV_SOR_CSTM_LVDS_EN_ENABLE : NV_SOR_CSTM_LVDS_EN_DISABLE)); + tegra_dc_sor_config_pwm(sor, 1024, 1024); } static void tegra_dc_sor_enable_dc(struct tegra_dc_sor_data *sor) @@ -571,7 +584,6 @@ static void tegra_dc_sor_enable_dc(struct tegra_dc_sor_data *sor) WRITEL(VSYNC_H_POSITION(1), &disp_ctrl->disp.disp_timing_opt); /* Enable DC */ - WRITEL(DISP_CTRL_MODE_C_DISPLAY, &disp_ctrl->cmd.disp_cmd); WRITEL(reg_val, &disp_ctrl->cmd.state_access); } |