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yaml
---
r: 269851
b: refs/heads/master
c: f52c619
h: refs/heads/master
i:
  269849: 1a6173a
  269847: 4c381df
v: v3
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Takashi Iwai authored and Keith Packard committed Oct 21, 2011
1 parent a643638 commit 7c8f2be
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Showing 2 changed files with 14 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f700088333c5c7e5a7f4ab71b642362290259e26
refs/heads/master: f52c619a590fa75276c07dfcaf380dee53e4ea4c
21 changes: 13 additions & 8 deletions trunk/drivers/gpu/drm/i915/intel_panel.c
Original file line number Diff line number Diff line change
Expand Up @@ -226,7 +226,7 @@ static void intel_pch_panel_set_backlight(struct drm_device *dev, u32 level)
I915_WRITE(BLC_PWM_CPU_CTL, val | level);
}

void intel_panel_set_backlight(struct drm_device *dev, u32 level)
static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 tmp;
Expand Down Expand Up @@ -254,16 +254,21 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level)
I915_WRITE(BLC_PWM_CTL, tmp | level);
}

void intel_panel_disable_backlight(struct drm_device *dev)
void intel_panel_set_backlight(struct drm_device *dev, u32 level)
{
struct drm_i915_private *dev_priv = dev->dev_private;

if (dev_priv->backlight_enabled) {
dev_priv->backlight_level = intel_panel_get_backlight(dev);
dev_priv->backlight_enabled = false;
}
dev_priv->backlight_level = level;
if (dev_priv->backlight_enabled)
intel_panel_actually_set_backlight(dev, level);
}

void intel_panel_disable_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;

intel_panel_set_backlight(dev, 0);
dev_priv->backlight_enabled = false;
intel_panel_actually_set_backlight(dev, 0);
}

void intel_panel_enable_backlight(struct drm_device *dev)
Expand All @@ -273,8 +278,8 @@ void intel_panel_enable_backlight(struct drm_device *dev)
if (dev_priv->backlight_level == 0)
dev_priv->backlight_level = intel_panel_get_max_backlight(dev);

intel_panel_set_backlight(dev, dev_priv->backlight_level);
dev_priv->backlight_enabled = true;
intel_panel_actually_set_backlight(dev, dev_priv->backlight_level);
}

static void intel_panel_init_backlight(struct drm_device *dev)
Expand Down

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