Merge branches 'perf-urgent-for-linus' and 'sched-urgent-for-linus' of git://git...
[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_panel.c
index 499d4c0..04d79fd 100644 (file)
@@ -178,13 +178,10 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
        if (HAS_PCH_SPLIT(dev)) {
                max >>= 16;
        } else {
-               if (IS_PINEVIEW(dev)) {
+               if (INTEL_INFO(dev)->gen < 4)
                        max >>= 17;
-               } else {
+               else
                        max >>= 16;
-                       if (INTEL_INFO(dev)->gen < 4)
-                               max &= ~1;
-               }
 
                if (is_backlight_combination_mode(dev))
                        max *= 0xff;
@@ -203,13 +200,12 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
                val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
        } else {
                val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
-               if (IS_PINEVIEW(dev))
+               if (INTEL_INFO(dev)->gen < 4)
                        val >>= 1;
 
                if (is_backlight_combination_mode(dev)) {
                        u8 lbpc;
 
-                       val &= ~1;
                        pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
                        val *= lbpc;
                }
@@ -246,11 +242,9 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level
        }
 
        tmp = I915_READ(BLC_PWM_CTL);
-       if (IS_PINEVIEW(dev)) {
-               tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
+       if (INTEL_INFO(dev)->gen < 4) 
                level <<= 1;
-       } else
-               tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+       tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
        I915_WRITE(BLC_PWM_CTL, tmp | level);
 }
 
@@ -326,7 +320,8 @@ static int intel_panel_update_status(struct backlight_device *bd)
 static int intel_panel_get_brightness(struct backlight_device *bd)
 {
        struct drm_device *dev = bl_get_data(bd);
-       return intel_panel_get_backlight(dev);
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       return dev_priv->backlight_level;
 }
 
 static const struct backlight_ops intel_panel_bl_ops = {