diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index e2ab3f6ed022..681686e5d550 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -484,7 +484,7 @@ static u32 intel_panel_compute_brightness(struct intel_connector *connector, return val; } -static u32 bdw_get_backlight(struct intel_connector *connector) +static u32 lpt_get_backlight(struct intel_connector *connector) { struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -576,7 +576,7 @@ static u32 intel_panel_get_backlight(struct intel_connector *connector) return val; } -static void bdw_set_backlight(struct intel_connector *connector, u32 level) +static void lpt_set_backlight(struct intel_connector *connector, u32 level) { struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -729,6 +729,18 @@ void intel_panel_set_backlight_acpi(struct intel_connector *connector, mutex_unlock(&dev_priv->backlight_lock); } +static void lpt_disable_backlight(struct intel_connector *connector) +{ + struct drm_device *dev = connector->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u32 tmp; + + intel_panel_actually_set_backlight(connector, 0); + + tmp = I915_READ(BLC_PWM_PCH_CTL1); + I915_WRITE(BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE); +} + static void pch_disable_backlight(struct intel_connector *connector) { struct drm_device *dev = connector->base.dev; @@ -829,7 +841,7 @@ void intel_panel_disable_backlight(struct intel_connector *connector) mutex_unlock(&dev_priv->backlight_lock); } -static void bdw_enable_backlight(struct intel_connector *connector) +static void lpt_enable_backlight(struct intel_connector *connector) { struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -1243,7 +1255,7 @@ static u32 get_backlight_min_vbt(struct intel_connector *connector) return scale(min, 0, 255, 0, panel->backlight.max); } -static int bdw_setup_backlight(struct intel_connector *connector, enum pipe unused) +static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused) { struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -1260,7 +1272,7 @@ static int bdw_setup_backlight(struct intel_connector *connector, enum pipe unus panel->backlight.min = get_backlight_min_vbt(connector); - val = bdw_get_backlight(connector); + val = lpt_get_backlight(connector); panel->backlight.level = intel_panel_compute_brightness(connector, val); panel->backlight.enabled = (pch_ctl1 & BLM_PCH_PWM_ENABLE) && @@ -1519,12 +1531,12 @@ void intel_panel_init_backlight_funcs(struct drm_device *dev) dev_priv->display.disable_backlight = bxt_disable_backlight; dev_priv->display.set_backlight = bxt_set_backlight; dev_priv->display.get_backlight = bxt_get_backlight; - } else if (IS_BROADWELL(dev) || IS_SKYLAKE(dev)) { - dev_priv->display.setup_backlight = bdw_setup_backlight; - dev_priv->display.enable_backlight = bdw_enable_backlight; - dev_priv->display.disable_backlight = pch_disable_backlight; - dev_priv->display.set_backlight = bdw_set_backlight; - dev_priv->display.get_backlight = bdw_get_backlight; + } else if (HAS_PCH_LPT(dev) || HAS_PCH_SPT(dev)) { + dev_priv->display.setup_backlight = lpt_setup_backlight; + dev_priv->display.enable_backlight = lpt_enable_backlight; + dev_priv->display.disable_backlight = lpt_disable_backlight; + dev_priv->display.set_backlight = lpt_set_backlight; + dev_priv->display.get_backlight = lpt_get_backlight; } else if (HAS_PCH_SPLIT(dev)) { dev_priv->display.setup_backlight = pch_setup_backlight; dev_priv->display.enable_backlight = pch_enable_backlight; |