#include "intel_dsi_dcs_backlight.h"
#include "intel_panel.h"
-#define CRC_PMIC_PWM_PERIOD_NS 21333
-
void
intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
struct drm_display_mode *adjusted_mode)
int duty_ns;
duty_ns = pwm_get_duty_cycle(panel->backlight.pwm);
- return DIV_ROUND_UP(duty_ns * 100, CRC_PMIC_PWM_PERIOD_NS);
+ return DIV_ROUND_UP(duty_ns * 100, panel->backlight.pwm_period_ns);
}
static void lpt_set_backlight(const struct drm_connector_state *conn_state, u32 level)
static void pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level)
{
struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;
- int duty_ns = DIV_ROUND_UP(level * CRC_PMIC_PWM_PERIOD_NS, 100);
+ int duty_ns = DIV_ROUND_UP(level * panel->backlight.pwm_period_ns, 100);
- pwm_config(panel->backlight.pwm, duty_ns, CRC_PMIC_PWM_PERIOD_NS);
+ pwm_config(panel->backlight.pwm, duty_ns,
+ panel->backlight.pwm_period_ns);
}
static void
return -ENODEV;
}
+ panel->backlight.pwm_period_ns = NSEC_PER_SEC /
+ get_vbt_pwm_freq(dev_priv);
+
/*
* FIXME: pwm_apply_args() should be removed when switching to
* the atomic PWM API.
panel->backlight.min = 0; /* 0% */
panel->backlight.max = 100; /* 100% */
level = intel_panel_compute_brightness(connector, 100);
- ns = DIV_ROUND_UP(level * CRC_PMIC_PWM_PERIOD_NS, 100);
+ ns = DIV_ROUND_UP(level * panel->backlight.pwm_period_ns, 100);
- retval = pwm_config(panel->backlight.pwm, ns, CRC_PMIC_PWM_PERIOD_NS);
+ retval = pwm_config(panel->backlight.pwm, ns,
+ panel->backlight.pwm_period_ns);
if (retval < 0) {
drm_err(&dev_priv->drm, "Failed to configure the pwm chip\n");
pwm_put(panel->backlight.pwm);
}
level = DIV_ROUND_UP(pwm_get_duty_cycle(panel->backlight.pwm) * 100,
- CRC_PMIC_PWM_PERIOD_NS);
+ panel->backlight.pwm_period_ns);
panel->backlight.level =
intel_panel_compute_brightness(connector, level);
panel->backlight.enabled = panel->backlight.level != 0;