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path: root/drivers/gpu/drm/i915/i915_suspend.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 1d04e1904ac6..2e4aca658b8b 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -416,6 +416,7 @@ int i915_save_state(struct drm_device *dev)
dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);
dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+ dev_priv->saveBLC_HIST_CTL = I915_READ(BLC_HIST_CTL);
if (IS_I965G(dev))
dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2);
if (IS_MOBILE(dev) && !IS_I830(dev))
@@ -560,6 +561,7 @@ int i915_restore_state(struct drm_device *dev)
I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
+ I915_WRITE(BLC_HIST_CTL, dev_priv->saveBLC_HIST_CTL);
I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS);
I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);