diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index da088e33dd19..eadfe338dbeb 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -325,132 +325,6 @@ out: pipe_config->gmch_pfit.lvds_border_bits = border; } -static int is_backlight_combination_mode(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - if (IS_GEN4(dev)) - return I915_READ(BLC_PWM_CTL2) & BLM_COMBINATION_MODE; - - if (IS_GEN2(dev)) - return I915_READ(BLC_PWM_CTL) & BLM_LEGACY_MODE; - - return 0; -} - -static u32 pch_get_max_backlight(struct intel_connector *connector) -{ - struct drm_device *dev = connector->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 val; - - val = I915_READ(BLC_PWM_PCH_CTL2); - if (dev_priv->regfile.saveBLC_PWM_CTL2 == 0) { - dev_priv->regfile.saveBLC_PWM_CTL2 = val; - } else if (val == 0) { - val = dev_priv->regfile.saveBLC_PWM_CTL2; - I915_WRITE(BLC_PWM_PCH_CTL2, val); - } - - val >>= 16; - - return val; -} - -static u32 i9xx_get_max_backlight(struct intel_connector *connector) -{ - struct drm_device *dev = connector->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 val; - - val = I915_READ(BLC_PWM_CTL); - if (dev_priv->regfile.saveBLC_PWM_CTL == 0) { - dev_priv->regfile.saveBLC_PWM_CTL = val; - } else if (val == 0) { - val = dev_priv->regfile.saveBLC_PWM_CTL; - I915_WRITE(BLC_PWM_CTL, val); - } - - val >>= 17; - - if (is_backlight_combination_mode(dev)) - val *= 0xff; - - return val; -} - -static u32 i965_get_max_backlight(struct intel_connector *connector) -{ - struct drm_device *dev = connector->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 val; - - val = I915_READ(BLC_PWM_CTL); - if (dev_priv->regfile.saveBLC_PWM_CTL == 0) { - dev_priv->regfile.saveBLC_PWM_CTL = val; - dev_priv->regfile.saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); - } else if (val == 0) { - val = dev_priv->regfile.saveBLC_PWM_CTL; - I915_WRITE(BLC_PWM_CTL, val); - I915_WRITE(BLC_PWM_CTL2, dev_priv->regfile.saveBLC_PWM_CTL2); - } - - val >>= 16; - - if (is_backlight_combination_mode(dev)) - val *= 0xff; - - return val; -} - -static u32 _vlv_get_max_backlight(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 val; - - val = I915_READ(VLV_BLC_PWM_CTL(pipe)); - if (dev_priv->regfile.saveBLC_PWM_CTL == 0) { - dev_priv->regfile.saveBLC_PWM_CTL = val; - dev_priv->regfile.saveBLC_PWM_CTL2 = - I915_READ(VLV_BLC_PWM_CTL2(pipe)); - } else if (val == 0) { - val = dev_priv->regfile.saveBLC_PWM_CTL; - I915_WRITE(VLV_BLC_PWM_CTL(pipe), val); - I915_WRITE(VLV_BLC_PWM_CTL2(pipe), - dev_priv->regfile.saveBLC_PWM_CTL2); - } - - if (!val) - val = 0x0f42ffff; - - val >>= 16; - - return val; -} - -static u32 vlv_get_max_backlight(struct intel_connector *connector) -{ - struct drm_device *dev = connector->base.dev; - enum pipe pipe = intel_get_pipe_from_connector(connector); - - return _vlv_get_max_backlight(dev, pipe); -} - -static u32 intel_panel_get_max_backlight(struct intel_connector *connector) -{ - struct drm_device *dev = connector->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 max; - - WARN_ON_SMP(!spin_is_locked(&dev_priv->backlight_lock)); - - max = dev_priv->display.get_max_backlight(connector); - - DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max); - - return max; -} - static int i915_panel_invert_brightness; MODULE_PARM_DESC(invert_brightness, "Invert backlight brightness " "(-1 force normal, 0 machine defaults, 1 force inversion), please " @@ -866,9 +740,6 @@ void intel_panel_enable_backlight(struct intel_connector *connector) spin_lock_irqsave(&dev_priv->backlight_lock, flags); - /* XXX: transitional, call to make sure freq is set */ - intel_panel_get_max_backlight(connector); - WARN_ON(panel->backlight.max == 0); if (panel->backlight.level == 0) { @@ -1171,28 +1042,24 @@ void intel_panel_init_backlight_funcs(struct drm_device *dev) dev_priv->display.disable_backlight = pch_disable_backlight; dev_priv->display.set_backlight = pch_set_backlight; dev_priv->display.get_backlight = pch_get_backlight; - dev_priv->display.get_max_backlight = pch_get_max_backlight; } else if (IS_VALLEYVIEW(dev)) { dev_priv->display.setup_backlight = vlv_setup_backlight; dev_priv->display.enable_backlight = vlv_enable_backlight; dev_priv->display.disable_backlight = vlv_disable_backlight; dev_priv->display.set_backlight = vlv_set_backlight; dev_priv->display.get_backlight = vlv_get_backlight; - dev_priv->display.get_max_backlight = vlv_get_max_backlight; } else if (IS_GEN4(dev)) { dev_priv->display.setup_backlight = i965_setup_backlight; dev_priv->display.enable_backlight = i965_enable_backlight; dev_priv->display.disable_backlight = i965_disable_backlight; dev_priv->display.set_backlight = i9xx_set_backlight; dev_priv->display.get_backlight = i9xx_get_backlight; - dev_priv->display.get_max_backlight = i965_get_max_backlight; } else { dev_priv->display.setup_backlight = i9xx_setup_backlight; dev_priv->display.enable_backlight = i9xx_enable_backlight; dev_priv->display.disable_backlight = i9xx_disable_backlight; dev_priv->display.set_backlight = i9xx_set_backlight; dev_priv->display.get_backlight = i9xx_get_backlight; - dev_priv->display.get_max_backlight = i9xx_get_max_backlight; } } |