diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_backlight.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_backlight.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c index c8e1fc53a881..110fc98ec280 100644 --- a/drivers/gpu/drm/i915/display/intel_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_backlight.c @@ -3,6 +3,7 @@ * Copyright © 2021 Intel Corporation */ +#include <linux/backlight.h> #include <linux/kernel.h> #include <linux/pwm.h> #include <linux/string_helpers.h> @@ -1159,9 +1160,10 @@ static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz) return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * mul); } -static u16 get_vbt_pwm_freq(struct drm_i915_private *dev_priv) +static u16 get_vbt_pwm_freq(struct intel_connector *connector) { - u16 pwm_freq_hz = dev_priv->vbt.backlight.pwm_freq_hz; + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + u16 pwm_freq_hz = connector->panel.vbt.backlight.pwm_freq_hz; if (pwm_freq_hz) { drm_dbg_kms(&dev_priv->drm, @@ -1181,7 +1183,7 @@ static u32 get_backlight_max_vbt(struct intel_connector *connector) { struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_panel *panel = &connector->panel; - u16 pwm_freq_hz = get_vbt_pwm_freq(dev_priv); + u16 pwm_freq_hz = get_vbt_pwm_freq(connector); u32 pwm; if (!panel->backlight.pwm_funcs->hz_to_pwm) { @@ -1218,11 +1220,11 @@ static u32 get_backlight_min_vbt(struct intel_connector *connector) * against this by letting the minimum be at most (arbitrarily chosen) * 25% of the max. */ - min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0, 64); - if (min != dev_priv->vbt.backlight.min_brightness) { + min = clamp_t(int, connector->panel.vbt.backlight.min_brightness, 0, 64); + if (min != connector->panel.vbt.backlight.min_brightness) { drm_dbg_kms(&dev_priv->drm, "clamping VBT min backlight %d/255 to %d/255\n", - dev_priv->vbt.backlight.min_brightness, min); + connector->panel.vbt.backlight.min_brightness, min); } /* vbt value is a coefficient in range [0..255] */ @@ -1411,7 +1413,7 @@ bxt_setup_backlight(struct intel_connector *connector, enum pipe unused) struct intel_panel *panel = &connector->panel; u32 pwm_ctl, val; - panel->backlight.controller = dev_priv->vbt.backlight.controller; + panel->backlight.controller = connector->panel.vbt.backlight.controller; pwm_ctl = intel_de_read(dev_priv, BXT_BLC_PWM_CTL(panel->backlight.controller)); @@ -1484,7 +1486,7 @@ static int ext_pwm_setup_backlight(struct intel_connector *connector, u32 level; /* Get the right PWM chip for DSI backlight according to VBT */ - if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) { + if (connector->panel.vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) { panel->backlight.pwm = pwm_get(dev->dev, "pwm_pmic_backlight"); desc = "PMIC"; } else { @@ -1513,11 +1515,11 @@ static int ext_pwm_setup_backlight(struct intel_connector *connector, drm_dbg_kms(&dev_priv->drm, "PWM already enabled at freq %ld, VBT freq %d, level %d\n", NSEC_PER_SEC / (unsigned long)panel->backlight.pwm_state.period, - get_vbt_pwm_freq(dev_priv), level); + get_vbt_pwm_freq(connector), level); } else { /* Set period from VBT frequency, leave other settings at 0. */ panel->backlight.pwm_state.period = - NSEC_PER_SEC / get_vbt_pwm_freq(dev_priv); + NSEC_PER_SEC / get_vbt_pwm_freq(connector); } drm_info(&dev_priv->drm, "Using %s PWM for LCD backlight control\n", @@ -1602,7 +1604,7 @@ int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe) struct intel_panel *panel = &connector->panel; int ret; - if (!dev_priv->vbt.backlight.present) { + if (!connector->panel.vbt.backlight.present) { if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) { drm_dbg_kms(&dev_priv->drm, "no backlight present per VBT, but present per quirk\n"); |