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-rw-r--r--src/soc/nvidia/tegra124/sor.c24
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);
}